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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<title>gnutls: GnuTLS API Reference Manual</title>
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<a href="#" class="shortcut">Top</a><span id="nav_description">  <span class="dim">|</span> 
                  <a href="#gnutls-gnutls.description" class="shortcut">Description</a></span>
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<div class="refentry">
<a name="gnutls-gnutls"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="gnutls-gnutls.top_of_page"></a>gnutls</span></h2>
<p>gnutls</p>
</td>
<td class="gallery_image" valign="top" align="right"></td>
</tr></table></div>
<div class="refsect1">
<a name="gnutls-gnutls.functions"></a><h2>Functions</h2>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="functions_return">
<col class="functions_name">
</colgroup>
<tbody>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-CLIENT:CAPS" title="GNUTLS_CLIENT">GNUTLS_CLIENT</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-DATAGRAM:CAPS" title="GNUTLS_DATAGRAM">GNUTLS_DATAGRAM</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-DEFAULT-HANDSHAKE-TIMEOUT:CAPS" title="GNUTLS_DEFAULT_HANDSHAKE_TIMEOUT">GNUTLS_DEFAULT_HANDSHAKE_TIMEOUT</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-HB-LOCAL-ALLOWED-TO-SEND:CAPS" title="GNUTLS_HB_LOCAL_ALLOWED_TO_SEND">GNUTLS_HB_LOCAL_ALLOWED_TO_SEND</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-HB-PEER-ALLOWED-TO-SEND:CAPS" title="GNUTLS_HB_PEER_ALLOWED_TO_SEND">GNUTLS_HB_PEER_ALLOWED_TO_SEND</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-HB-PEER-NOT-ALLOWED-TO-SEND:CAPS" title="GNUTLS_HB_PEER_NOT_ALLOWED_TO_SEND">GNUTLS_HB_PEER_NOT_ALLOWED_TO_SEND</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-NONBLOCK:CAPS" title="GNUTLS_NONBLOCK">GNUTLS_NONBLOCK</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-NO-EXTENSIONS:CAPS" title="GNUTLS_NO_EXTENSIONS">GNUTLS_NO_EXTENSIONS</a></td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gnutls-gnutls.html#gnutls-alert-description-t" title="enum gnutls_alert_description_t"><span class="returnvalue">gnutls_alert_description_t</span></a>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-alert-get" title="gnutls_alert_get ()">gnutls_alert_get</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">const <span class="returnvalue">char</span> *
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-alert-get-name" title="gnutls_alert_get_name ()">gnutls_alert_get_name</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">const <span class="returnvalue">char</span> *
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-alert-get-strname" title="gnutls_alert_get_strname ()">gnutls_alert_get_strname</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-alert-send" title="gnutls_alert_send ()">gnutls_alert_send</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-alert-send-appropriate" title="gnutls_alert_send_appropriate ()">gnutls_alert_send_appropriate</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span> *
</td>
<td class="function_name">
<span class="c_punctuation">(</span><a class="link" href="gnutls-gnutls.html#gnutls-alloc-function" title="gnutls_alloc_function ()">*gnutls_alloc_function</a><span class="c_punctuation">)</span> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-anon-allocate-client-credentials" title="gnutls_anon_allocate_client_credentials ()">gnutls_anon_allocate_client_credentials</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-anon-allocate-server-credentials" title="gnutls_anon_allocate_server_credentials ()">gnutls_anon_allocate_server_credentials</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-anon-free-client-credentials" title="gnutls_anon_free_client_credentials ()">gnutls_anon_free_client_credentials</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-anon-free-server-credentials" title="gnutls_anon_free_server_credentials ()">gnutls_anon_free_server_credentials</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-anon-set-params-function" title="gnutls_anon_set_params_function ()">gnutls_anon_set_params_function</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-anon-set-server-dh-params" title="gnutls_anon_set_server_dh_params ()">gnutls_anon_set_server_dh_params</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-anon-set-server-params-function" title="gnutls_anon_set_server_params_function ()">gnutls_anon_set_server_params_function</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<span class="c_punctuation">(</span><a class="link" href="gnutls-gnutls.html#gnutls-audit-log-func" title="gnutls_audit_log_func ()">*gnutls_audit_log_func</a><span class="c_punctuation">)</span> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-bye" title="gnutls_bye ()">gnutls_bye</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span> *
</td>
<td class="function_name">
<span class="c_punctuation">(</span><a class="link" href="gnutls-gnutls.html#gnutls-calloc-function" title="gnutls_calloc_function ()">*gnutls_calloc_function</a><span class="c_punctuation">)</span> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">time_t</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-certificate-activation-time-peers" title="gnutls_certificate_activation_time_peers ()">gnutls_certificate_activation_time_peers</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-certificate-allocate-credentials" title="gnutls_certificate_allocate_credentials ()">gnutls_certificate_allocate_credentials</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-certificate-client-get-request-status" title="gnutls_certificate_client_get_request_status ()">gnutls_certificate_client_get_request_status</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">time_t</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-certificate-expiration-time-peers" title="gnutls_certificate_expiration_time_peers ()">gnutls_certificate_expiration_time_peers</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-certificate-free-ca-names" title="gnutls_certificate_free_ca_names ()">gnutls_certificate_free_ca_names</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-certificate-free-cas" title="gnutls_certificate_free_cas ()">gnutls_certificate_free_cas</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-certificate-free-credentials" title="gnutls_certificate_free_credentials ()">gnutls_certificate_free_credentials</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-certificate-free-crls" title="gnutls_certificate_free_crls ()">gnutls_certificate_free_crls</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-certificate-free-keys" title="gnutls_certificate_free_keys ()">gnutls_certificate_free_keys</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-certificate-get-issuer" title="gnutls_certificate_get_issuer ()">gnutls_certificate_get_issuer</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">const <span class="returnvalue">gnutls_datum_t</span> *
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-certificate-get-ours" title="gnutls_certificate_get_ours ()">gnutls_certificate_get_ours</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">const <span class="returnvalue">gnutls_datum_t</span> *
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-certificate-get-peers" title="gnutls_certificate_get_peers ()">gnutls_certificate_get_peers</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-certificate-get-peers-subkey-id" title="gnutls_certificate_get_peers_subkey_id ()">gnutls_certificate_get_peers_subkey_id</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-certificate-send-x509-rdn-sequence" title="gnutls_certificate_send_x509_rdn_sequence ()">gnutls_certificate_send_x509_rdn_sequence</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-certificate-server-set-request" title="gnutls_certificate_server_set_request ()">gnutls_certificate_server_set_request</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-certificate-set-dh-params" title="gnutls_certificate_set_dh_params ()">gnutls_certificate_set_dh_params</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-certificate-set-ocsp-status-request-file" title="gnutls_certificate_set_ocsp_status_request_file ()">gnutls_certificate_set_ocsp_status_request_file</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-certificate-set-ocsp-status-request-function" title="gnutls_certificate_set_ocsp_status_request_function ()">gnutls_certificate_set_ocsp_status_request_function</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-certificate-set-params-function" title="gnutls_certificate_set_params_function ()">gnutls_certificate_set_params_function</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-certificate-set-pin-function" title="gnutls_certificate_set_pin_function ()">gnutls_certificate_set_pin_function</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-certificate-set-retrieve-function" title="gnutls_certificate_set_retrieve_function ()">gnutls_certificate_set_retrieve_function</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-certificate-set-verify-flags" title="gnutls_certificate_set_verify_flags ()">gnutls_certificate_set_verify_flags</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-certificate-set-verify-function" title="gnutls_certificate_set_verify_function ()">gnutls_certificate_set_verify_function</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-certificate-set-verify-limits" title="gnutls_certificate_set_verify_limits ()">gnutls_certificate_set_verify_limits</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-certificate-set-x509-crl" title="gnutls_certificate_set_x509_crl ()">gnutls_certificate_set_x509_crl</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-certificate-set-x509-crl-file" title="gnutls_certificate_set_x509_crl_file ()">gnutls_certificate_set_x509_crl_file</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-certificate-set-x509-crl-mem" title="gnutls_certificate_set_x509_crl_mem ()">gnutls_certificate_set_x509_crl_mem</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-certificate-set-x509-key" title="gnutls_certificate_set_x509_key ()">gnutls_certificate_set_x509_key</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-certificate-set-x509-key-file" title="gnutls_certificate_set_x509_key_file ()">gnutls_certificate_set_x509_key_file</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-certificate-set-x509-key-mem" title="gnutls_certificate_set_x509_key_mem ()">gnutls_certificate_set_x509_key_mem</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-certificate-set-x509-simple-pkcs12-file" title="gnutls_certificate_set_x509_simple_pkcs12_file ()">gnutls_certificate_set_x509_simple_pkcs12_file</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-certificate-set-x509-simple-pkcs12-mem" title="gnutls_certificate_set_x509_simple_pkcs12_mem ()">gnutls_certificate_set_x509_simple_pkcs12_mem</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-certificate-set-x509-system-trust" title="gnutls_certificate_set_x509_system_trust ()">gnutls_certificate_set_x509_system_trust</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-certificate-set-x509-trust" title="gnutls_certificate_set_x509_trust ()">gnutls_certificate_set_x509_trust</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-certificate-set-x509-trust-file" title="gnutls_certificate_set_x509_trust_file ()">gnutls_certificate_set_x509_trust_file</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-certificate-set-x509-trust-mem" title="gnutls_certificate_set_x509_trust_mem ()">gnutls_certificate_set_x509_trust_mem</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gnutls-gnutls.html#gnutls-certificate-type-t" title="enum gnutls_certificate_type_t"><span class="returnvalue">gnutls_certificate_type_t</span></a>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-certificate-type-get" title="gnutls_certificate_type_get ()">gnutls_certificate_type_get</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gnutls-gnutls.html#gnutls-certificate-type-t" title="enum gnutls_certificate_type_t"><span class="returnvalue">gnutls_certificate_type_t</span></a>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-certificate-type-get-id" title="gnutls_certificate_type_get_id ()">gnutls_certificate_type_get_id</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">const <span class="returnvalue">char</span> *
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-certificate-type-get-name" title="gnutls_certificate_type_get_name ()">gnutls_certificate_type_get_name</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">const <a class="link" href="gnutls-gnutls.html#gnutls-certificate-type-t" title="enum gnutls_certificate_type_t"><span class="returnvalue">gnutls_certificate_type_t</span></a> *
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-certificate-type-list" title="gnutls_certificate_type_list ()">gnutls_certificate_type_list</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-certificate-verification-status-print" title="gnutls_certificate_verification_status_print ()">gnutls_certificate_verification_status_print</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-certificate-verify-peers2" title="gnutls_certificate_verify_peers2 ()">gnutls_certificate_verify_peers2</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-certificate-verify-peers3" title="gnutls_certificate_verify_peers3 ()">gnutls_certificate_verify_peers3</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">const <span class="returnvalue">char</span> *
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-check-version" title="gnutls_check_version ()">gnutls_check_version</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gnutls-gnutls.html#gnutls-cipher-algorithm-t" title="enum gnutls_cipher_algorithm_t"><span class="returnvalue">gnutls_cipher_algorithm_t</span></a>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-cipher-get" title="gnutls_cipher_get ()">gnutls_cipher_get</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gnutls-gnutls.html#gnutls-cipher-algorithm-t" title="enum gnutls_cipher_algorithm_t"><span class="returnvalue">gnutls_cipher_algorithm_t</span></a>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-cipher-get-id" title="gnutls_cipher_get_id ()">gnutls_cipher_get_id</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">size_t</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-cipher-get-key-size" title="gnutls_cipher_get_key_size ()">gnutls_cipher_get_key_size</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">const <span class="returnvalue">char</span> *
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-cipher-get-name" title="gnutls_cipher_get_name ()">gnutls_cipher_get_name</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">const <a class="link" href="gnutls-gnutls.html#gnutls-cipher-algorithm-t" title="enum gnutls_cipher_algorithm_t"><span class="returnvalue">gnutls_cipher_algorithm_t</span></a> *
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-cipher-list" title="gnutls_cipher_list ()">gnutls_cipher_list</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">const <span class="returnvalue">char</span> *
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-cipher-suite-get-name" title="gnutls_cipher_suite_get_name ()">gnutls_cipher_suite_get_name</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">const <span class="returnvalue">char</span> *
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-cipher-suite-info" title="gnutls_cipher_suite_info ()">gnutls_cipher_suite_info</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gnutls-gnutls.html#gnutls-compression-method-t" title="enum gnutls_compression_method_t"><span class="returnvalue">gnutls_compression_method_t</span></a>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-compression-get" title="gnutls_compression_get ()">gnutls_compression_get</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gnutls-gnutls.html#gnutls-compression-method-t" title="enum gnutls_compression_method_t"><span class="returnvalue">gnutls_compression_method_t</span></a>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-compression-get-id" title="gnutls_compression_get_id ()">gnutls_compression_get_id</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">const <span class="returnvalue">char</span> *
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-compression-get-name" title="gnutls_compression_get_name ()">gnutls_compression_get_name</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">const <a class="link" href="gnutls-gnutls.html#gnutls-compression-method-t" title="enum gnutls_compression_method_t"><span class="returnvalue">gnutls_compression_method_t</span></a> *
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-compression-list" title="gnutls_compression_list ()">gnutls_compression_list</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-credentials-clear" title="gnutls_credentials_clear ()">gnutls_credentials_clear</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-credentials-set" title="gnutls_credentials_set ()">gnutls_credentials_set</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-db-check-entry" title="gnutls_db_check_entry ()">gnutls_db_check_entry</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span> *
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-db-get-ptr" title="gnutls_db_get_ptr ()">gnutls_db_get_ptr</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<span class="c_punctuation">(</span><a class="link" href="gnutls-gnutls.html#gnutls-db-remove-func" title="gnutls_db_remove_func ()">*gnutls_db_remove_func</a><span class="c_punctuation">)</span> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-db-remove-session" title="gnutls_db_remove_session ()">gnutls_db_remove_session</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">gnutls_datum_t</span>
</td>
<td class="function_name">
<span class="c_punctuation">(</span><a class="link" href="gnutls-gnutls.html#gnutls-db-retr-func" title="gnutls_db_retr_func ()">*gnutls_db_retr_func</a><span class="c_punctuation">)</span> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-db-set-cache-expiration" title="gnutls_db_set_cache_expiration ()">gnutls_db_set_cache_expiration</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-db-set-ptr" title="gnutls_db_set_ptr ()">gnutls_db_set_ptr</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-db-set-remove-function" title="gnutls_db_set_remove_function ()">gnutls_db_set_remove_function</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-db-set-retrieve-function" title="gnutls_db_set_retrieve_function ()">gnutls_db_set_retrieve_function</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-db-set-store-function" title="gnutls_db_set_store_function ()">gnutls_db_set_store_function</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<span class="c_punctuation">(</span><a class="link" href="gnutls-gnutls.html#gnutls-db-store-func" title="gnutls_db_store_func ()">*gnutls_db_store_func</a><span class="c_punctuation">)</span> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-deinit" title="gnutls_deinit ()">gnutls_deinit</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-dh-get-group" title="gnutls_dh_get_group ()">gnutls_dh_get_group</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-dh-get-peers-public-bits" title="gnutls_dh_get_peers_public_bits ()">gnutls_dh_get_peers_public_bits</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-dh-get-prime-bits" title="gnutls_dh_get_prime_bits ()">gnutls_dh_get_prime_bits</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-dh-get-pubkey" title="gnutls_dh_get_pubkey ()">gnutls_dh_get_pubkey</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-dh-get-secret-bits" title="gnutls_dh_get_secret_bits ()">gnutls_dh_get_secret_bits</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-dh-params-cpy" title="gnutls_dh_params_cpy ()">gnutls_dh_params_cpy</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-dh-params-deinit" title="gnutls_dh_params_deinit ()">gnutls_dh_params_deinit</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-dh-params-export2-pkcs3" title="gnutls_dh_params_export2_pkcs3 ()">gnutls_dh_params_export2_pkcs3</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-dh-params-export-pkcs3" title="gnutls_dh_params_export_pkcs3 ()">gnutls_dh_params_export_pkcs3</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-dh-params-export-raw" title="gnutls_dh_params_export_raw ()">gnutls_dh_params_export_raw</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-dh-params-generate2" title="gnutls_dh_params_generate2 ()">gnutls_dh_params_generate2</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-dh-params-import-pkcs3" title="gnutls_dh_params_import_pkcs3 ()">gnutls_dh_params_import_pkcs3</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-dh-params-import-raw" title="gnutls_dh_params_import_raw ()">gnutls_dh_params_import_raw</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-dh-params-init" title="gnutls_dh_params_init ()">gnutls_dh_params_init</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-dh-set-prime-bits" title="gnutls_dh_set_prime_bits ()">gnutls_dh_set_prime_bits</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gnutls-gnutls.html#gnutls-ecc-curve-t" title="enum gnutls_ecc_curve_t"><span class="returnvalue">gnutls_ecc_curve_t</span></a>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-ecc-curve-get" title="gnutls_ecc_curve_get ()">gnutls_ecc_curve_get</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">const <span class="returnvalue">char</span> *
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-ecc-curve-get-name" title="gnutls_ecc_curve_get_name ()">gnutls_ecc_curve_get_name</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-ecc-curve-get-size" title="gnutls_ecc_curve_get_size ()">gnutls_ecc_curve_get_size</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">const <a class="link" href="gnutls-gnutls.html#gnutls-ecc-curve-t" title="enum gnutls_ecc_curve_t"><span class="returnvalue">gnutls_ecc_curve_t</span></a> *
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-ecc-curve-list" title="gnutls_ecc_curve_list ()">gnutls_ecc_curve_list</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<span class="c_punctuation">(</span><a class="link" href="gnutls-gnutls.html#gnutls-errno-func" title="gnutls_errno_func ()">*gnutls_errno_func</a><span class="c_punctuation">)</span> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-error-is-fatal" title="gnutls_error_is_fatal ()">gnutls_error_is_fatal</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-error-to-alert" title="gnutls_error_to_alert ()">gnutls_error_to_alert</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-fingerprint" title="gnutls_fingerprint ()">gnutls_fingerprint</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<span class="c_punctuation">(</span><a class="link" href="gnutls-gnutls.html#gnutls-free-function" title="gnutls_free_function ()">*gnutls_free_function</a><span class="c_punctuation">)</span> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-global-deinit" title="gnutls_global_deinit ()">gnutls_global_deinit</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-global-init" title="gnutls_global_init ()">gnutls_global_init</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-global-set-audit-log-function" title="gnutls_global_set_audit_log_function ()">gnutls_global_set_audit_log_function</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-global-set-log-function" title="gnutls_global_set_log_function ()">gnutls_global_set_log_function</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-global-set-log-level" title="gnutls_global_set_log_level ()">gnutls_global_set_log_level</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-global-set-mem-functions" title="gnutls_global_set_mem_functions ()">gnutls_global_set_mem_functions</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-global-set-mutex" title="gnutls_global_set_mutex ()">gnutls_global_set_mutex</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-global-set-time-function" title="gnutls_global_set_time_function ()">gnutls_global_set_time_function</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-handshake" title="gnutls_handshake ()">gnutls_handshake</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gnutls-gnutls.html#gnutls-handshake-description-t" title="enum gnutls_handshake_description_t"><span class="returnvalue">gnutls_handshake_description_t</span></a>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-handshake-get-last-in" title="gnutls_handshake_get_last_in ()">gnutls_handshake_get_last_in</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gnutls-gnutls.html#gnutls-handshake-description-t" title="enum gnutls_handshake_description_t"><span class="returnvalue">gnutls_handshake_description_t</span></a>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-handshake-get-last-out" title="gnutls_handshake_get_last_out ()">gnutls_handshake_get_last_out</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<span class="c_punctuation">(</span><a class="link" href="gnutls-gnutls.html#gnutls-handshake-post-client-hello-func" title="gnutls_handshake_post_client_hello_func ()">*gnutls_handshake_post_client_hello_func</a><span class="c_punctuation">)</span> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-handshake-set-max-packet-length" title="gnutls_handshake_set_max_packet_length ()">gnutls_handshake_set_max_packet_length</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-handshake-set-post-client-hello-function" title="gnutls_handshake_set_post_client_hello_function ()">gnutls_handshake_set_post_client_hello_function</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-handshake-set-private-extensions" title="gnutls_handshake_set_private_extensions ()">gnutls_handshake_set_private_extensions</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-handshake-set-timeout" title="gnutls_handshake_set_timeout ()">gnutls_handshake_set_timeout</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-heartbeat-allowed" title="gnutls_heartbeat_allowed ()">gnutls_heartbeat_allowed</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-heartbeat-enable" title="gnutls_heartbeat_enable ()">gnutls_heartbeat_enable</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">unsigned <span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-heartbeat-get-timeout" title="gnutls_heartbeat_get_timeout ()">gnutls_heartbeat_get_timeout</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-heartbeat-ping" title="gnutls_heartbeat_ping ()">gnutls_heartbeat_ping</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-heartbeat-pong" title="gnutls_heartbeat_pong ()">gnutls_heartbeat_pong</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-heartbeat-set-timeouts" title="gnutls_heartbeat_set_timeouts ()">gnutls_heartbeat_set_timeouts</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-hex2bin" title="gnutls_hex2bin ()">gnutls_hex2bin</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-hex-decode" title="gnutls_hex_decode ()">gnutls_hex_decode</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-hex-encode" title="gnutls_hex_encode ()">gnutls_hex_encode</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-init" title="gnutls_init ()">gnutls_init</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<span class="c_punctuation">(</span><a class="link" href="gnutls-gnutls.html#gnutls-is-secure-function" title="gnutls_is_secure_function ()">*gnutls_is_secure_function</a><span class="c_punctuation">)</span> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-key-generate" title="gnutls_key_generate ()">gnutls_key_generate</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gnutls-gnutls.html#gnutls-kx-algorithm-t" title="enum gnutls_kx_algorithm_t"><span class="returnvalue">gnutls_kx_algorithm_t</span></a>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-kx-get" title="gnutls_kx_get ()">gnutls_kx_get</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gnutls-gnutls.html#gnutls-kx-algorithm-t" title="enum gnutls_kx_algorithm_t"><span class="returnvalue">gnutls_kx_algorithm_t</span></a>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-kx-get-id" title="gnutls_kx_get_id ()">gnutls_kx_get_id</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">const <span class="returnvalue">char</span> *
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-kx-get-name" title="gnutls_kx_get_name ()">gnutls_kx_get_name</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">const <a class="link" href="gnutls-gnutls.html#gnutls-kx-algorithm-t" title="enum gnutls_kx_algorithm_t"><span class="returnvalue">gnutls_kx_algorithm_t</span></a> *
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-kx-list" title="gnutls_kx_list ()">gnutls_kx_list</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-load-file" title="gnutls_load_file ()">gnutls_load_file</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<span class="c_punctuation">(</span><a class="link" href="gnutls-gnutls.html#gnutls-log-func" title="gnutls_log_func ()">*gnutls_log_func</a><span class="c_punctuation">)</span> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gnutls-gnutls.html#gnutls-mac-algorithm-t" title="enum gnutls_mac_algorithm_t"><span class="returnvalue">gnutls_mac_algorithm_t</span></a>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-mac-get" title="gnutls_mac_get ()">gnutls_mac_get</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gnutls-gnutls.html#gnutls-mac-algorithm-t" title="enum gnutls_mac_algorithm_t"><span class="returnvalue">gnutls_mac_algorithm_t</span></a>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-mac-get-id" title="gnutls_mac_get_id ()">gnutls_mac_get_id</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">size_t</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-mac-get-key-size" title="gnutls_mac_get_key_size ()">gnutls_mac_get_key_size</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">const <span class="returnvalue">char</span> *
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-mac-get-name" title="gnutls_mac_get_name ()">gnutls_mac_get_name</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">const <a class="link" href="gnutls-gnutls.html#gnutls-mac-algorithm-t" title="enum gnutls_mac_algorithm_t"><span class="returnvalue">gnutls_mac_algorithm_t</span></a> *
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-mac-list" title="gnutls_mac_list ()">gnutls_mac_list</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-ocsp-status-request-enable-client" title="gnutls_ocsp_status_request_enable_client ()">gnutls_ocsp_status_request_enable_client</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-ocsp-status-request-get" title="gnutls_ocsp_status_request_get ()">gnutls_ocsp_status_request_get</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-ocsp-status-request-is-checked" title="gnutls_ocsp_status_request_is_checked ()">gnutls_ocsp_status_request_is_checked</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-openpgp-send-cert" title="gnutls_openpgp_send_cert ()">gnutls_openpgp_send_cert</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-pem-base64-decode" title="gnutls_pem_base64_decode ()">gnutls_pem_base64_decode</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-pem-base64-encode" title="gnutls_pem_base64_encode ()">gnutls_pem_base64_encode</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-perror" title="gnutls_perror ()">gnutls_perror</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<span class="c_punctuation">(</span><a class="link" href="gnutls-gnutls.html#gnutls-pin-callback-t" title="gnutls_pin_callback_t ()">*gnutls_pin_callback_t</a><span class="c_punctuation">)</span> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">const <span class="returnvalue">char</span> *
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-pk-algorithm-get-name" title="gnutls_pk_algorithm_get_name ()">gnutls_pk_algorithm_get_name</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gnutls-gnutls.html#gnutls-sec-param-t" title="enum gnutls_sec_param_t"><span class="returnvalue">gnutls_sec_param_t</span></a>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-pk-bits-to-sec-param" title="gnutls_pk_bits_to_sec_param ()">gnutls_pk_bits_to_sec_param</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gnutls-gnutls.html#gnutls-pk-algorithm-t" title="enum gnutls_pk_algorithm_t"><span class="returnvalue">gnutls_pk_algorithm_t</span></a>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-pk-get-id" title="gnutls_pk_get_id ()">gnutls_pk_get_id</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">const <span class="returnvalue">char</span> *
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-pk-get-name" title="gnutls_pk_get_name ()">gnutls_pk_get_name</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">const <a class="link" href="gnutls-gnutls.html#gnutls-pk-algorithm-t" title="enum gnutls_pk_algorithm_t"><span class="returnvalue">gnutls_pk_algorithm_t</span></a> *
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-pk-list" title="gnutls_pk_list ()">gnutls_pk_list</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gnutls-gnutls.html#gnutls-sign-algorithm-t" title="enum gnutls_sign_algorithm_t"><span class="returnvalue">gnutls_sign_algorithm_t</span></a>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-pk-to-sign" title="gnutls_pk_to_sign ()">gnutls_pk_to_sign</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-prf" title="gnutls_prf ()">gnutls_prf</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-prf-raw" title="gnutls_prf_raw ()">gnutls_prf_raw</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-priority-certificate-type-list" title="gnutls_priority_certificate_type_list ()">gnutls_priority_certificate_type_list</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-priority-compression-list" title="gnutls_priority_compression_list ()">gnutls_priority_compression_list</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-priority-deinit" title="gnutls_priority_deinit ()">gnutls_priority_deinit</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-priority-ecc-curve-list" title="gnutls_priority_ecc_curve_list ()">gnutls_priority_ecc_curve_list</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-priority-get-cipher-suite-index" title="gnutls_priority_get_cipher_suite_index ()">gnutls_priority_get_cipher_suite_index</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-priority-init" title="gnutls_priority_init ()">gnutls_priority_init</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-priority-protocol-list" title="gnutls_priority_protocol_list ()">gnutls_priority_protocol_list</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-priority-set" title="gnutls_priority_set ()">gnutls_priority_set</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-priority-set-direct" title="gnutls_priority_set_direct ()">gnutls_priority_set_direct</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-priority-sign-list" title="gnutls_priority_sign_list ()">gnutls_priority_sign_list</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gnutls-gnutls.html#gnutls-protocol-t" title="enum gnutls_protocol_t"><span class="returnvalue">gnutls_protocol_t</span></a>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-protocol-get-id" title="gnutls_protocol_get_id ()">gnutls_protocol_get_id</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">const <span class="returnvalue">char</span> *
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-protocol-get-name" title="gnutls_protocol_get_name ()">gnutls_protocol_get_name</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gnutls-gnutls.html#gnutls-protocol-t" title="enum gnutls_protocol_t"><span class="returnvalue">gnutls_protocol_t</span></a>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-protocol-get-version" title="gnutls_protocol_get_version ()">gnutls_protocol_get_version</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">const <a class="link" href="gnutls-gnutls.html#gnutls-protocol-t" title="enum gnutls_protocol_t"><span class="returnvalue">gnutls_protocol_t</span></a> *
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-protocol-list" title="gnutls_protocol_list ()">gnutls_protocol_list</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-psk-allocate-client-credentials" title="gnutls_psk_allocate_client_credentials ()">gnutls_psk_allocate_client_credentials</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-psk-allocate-server-credentials" title="gnutls_psk_allocate_server_credentials ()">gnutls_psk_allocate_server_credentials</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">const <span class="returnvalue">char</span> *
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-psk-client-get-hint" title="gnutls_psk_client_get_hint ()">gnutls_psk_client_get_hint</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-psk-free-client-credentials" title="gnutls_psk_free_client_credentials ()">gnutls_psk_free_client_credentials</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-psk-free-server-credentials" title="gnutls_psk_free_server_credentials ()">gnutls_psk_free_server_credentials</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">const <span class="returnvalue">char</span> *
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-psk-server-get-username" title="gnutls_psk_server_get_username ()">gnutls_psk_server_get_username</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-psk-set-client-credentials" title="gnutls_psk_set_client_credentials ()">gnutls_psk_set_client_credentials</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-psk-set-client-credentials-function" title="gnutls_psk_set_client_credentials_function ()">gnutls_psk_set_client_credentials_function</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-psk-set-params-function" title="gnutls_psk_set_params_function ()">gnutls_psk_set_params_function</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-psk-set-server-credentials-file" title="gnutls_psk_set_server_credentials_file ()">gnutls_psk_set_server_credentials_file</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-psk-set-server-credentials-function" title="gnutls_psk_set_server_credentials_function ()">gnutls_psk_set_server_credentials_function</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-psk-set-server-credentials-hint" title="gnutls_psk_set_server_credentials_hint ()">gnutls_psk_set_server_credentials_hint</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-psk-set-server-dh-params" title="gnutls_psk_set_server_dh_params ()">gnutls_psk_set_server_dh_params</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-psk-set-server-params-function" title="gnutls_psk_set_server_params_function ()">gnutls_psk_set_server_params_function</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">ssize_t</span>
</td>
<td class="function_name">
<span class="c_punctuation">(</span><a class="link" href="gnutls-gnutls.html#gnutls-pull-func" title="gnutls_pull_func ()">*gnutls_pull_func</a><span class="c_punctuation">)</span> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<span class="c_punctuation">(</span><a class="link" href="gnutls-gnutls.html#gnutls-pull-timeout-func" title="gnutls_pull_timeout_func ()">*gnutls_pull_timeout_func</a><span class="c_punctuation">)</span> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">ssize_t</span>
</td>
<td class="function_name">
<span class="c_punctuation">(</span><a class="link" href="gnutls-gnutls.html#gnutls-push-func" title="gnutls_push_func ()">*gnutls_push_func</a><span class="c_punctuation">)</span> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-random-art" title="gnutls_random_art ()">gnutls_random_art</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span> *
</td>
<td class="function_name">
<span class="c_punctuation">(</span><a class="link" href="gnutls-gnutls.html#gnutls-realloc-function" title="gnutls_realloc_function ()">*gnutls_realloc_function</a><span class="c_punctuation">)</span> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">size_t</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-record-check-pending" title="gnutls_record_check_pending ()">gnutls_record_check_pending</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-record-disable-padding" title="gnutls_record_disable_padding ()">gnutls_record_disable_padding</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-record-get-direction" title="gnutls_record_get_direction ()">gnutls_record_get_direction</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">size_t</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-record-get-max-size" title="gnutls_record_get_max_size ()">gnutls_record_get_max_size</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">ssize_t</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-record-recv" title="gnutls_record_recv ()">gnutls_record_recv</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">ssize_t</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-record-recv-seq" title="gnutls_record_recv_seq ()">gnutls_record_recv_seq</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">ssize_t</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-record-send" title="gnutls_record_send ()">gnutls_record_send</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">ssize_t</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-record-set-max-size" title="gnutls_record_set_max_size ()">gnutls_record_set_max_size</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-rehandshake" title="gnutls_rehandshake ()">gnutls_rehandshake</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-safe-renegotiation-status" title="gnutls_safe_renegotiation_status ()">gnutls_safe_renegotiation_status</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">const <span class="returnvalue">char</span> *
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-sec-param-get-name" title="gnutls_sec_param_get_name ()">gnutls_sec_param_get_name</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">return</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-sec-param-to-pk-bits" title="gnutls_sec_param_to_pk_bits ()">gnutls_sec_param_to_pk_bits</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-server-name-get" title="gnutls_server_name_get ()">gnutls_server_name_get</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-server-name-set" title="gnutls_server_name_set ()">gnutls_server_name_set</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-session-channel-binding" title="gnutls_session_channel_binding ()">gnutls_session_channel_binding</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-session-enable-compatibility-mode" title="gnutls_session_enable_compatibility_mode ()">gnutls_session_enable_compatibility_mode</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-session-get-data" title="gnutls_session_get_data ()">gnutls_session_get_data</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-session-get-data2" title="gnutls_session_get_data2 ()">gnutls_session_get_data2</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-session-get-id" title="gnutls_session_get_id ()">gnutls_session_get_id</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-session-get-id2" title="gnutls_session_get_id2 ()">gnutls_session_get_id2</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span> *
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-session-get-ptr" title="gnutls_session_get_ptr ()">gnutls_session_get_ptr</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-session-get-random" title="gnutls_session_get_random ()">gnutls_session_get_random</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-session-is-resumed" title="gnutls_session_is_resumed ()">gnutls_session_is_resumed</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-session-resumption-requested" title="gnutls_session_resumption_requested ()">gnutls_session_resumption_requested</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-session-set-data" title="gnutls_session_set_data ()">gnutls_session_set_data</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-session-set-premaster" title="gnutls_session_set_premaster ()">gnutls_session_set_premaster</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-session-set-ptr" title="gnutls_session_set_ptr ()">gnutls_session_set_ptr</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-session-ticket-enable-client" title="gnutls_session_ticket_enable_client ()">gnutls_session_ticket_enable_client</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-session-ticket-enable-server" title="gnutls_session_ticket_enable_server ()">gnutls_session_ticket_enable_server</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-session-ticket-key-generate" title="gnutls_session_ticket_key_generate ()">gnutls_session_ticket_key_generate</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-set-default-priority" title="gnutls_set_default_priority ()">gnutls_set_default_priority</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-sign-algorithm-get" title="gnutls_sign_algorithm_get ()">gnutls_sign_algorithm_get</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-sign-algorithm-get-requested" title="gnutls_sign_algorithm_get_requested ()">gnutls_sign_algorithm_get_requested</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gnutls-gnutls.html#gnutls-digest-algorithm-t" title="enum gnutls_digest_algorithm_t"><span class="returnvalue">gnutls_digest_algorithm_t</span></a>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-sign-get-hash-algorithm" title="gnutls_sign_get_hash_algorithm ()">gnutls_sign_get_hash_algorithm</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gnutls-gnutls.html#gnutls-sign-algorithm-t" title="enum gnutls_sign_algorithm_t"><span class="returnvalue">gnutls_sign_algorithm_t</span></a>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-sign-get-id" title="gnutls_sign_get_id ()">gnutls_sign_get_id</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">const <span class="returnvalue">char</span> *
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-sign-get-name" title="gnutls_sign_get_name ()">gnutls_sign_get_name</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gnutls-gnutls.html#gnutls-pk-algorithm-t" title="enum gnutls_pk_algorithm_t"><span class="returnvalue">gnutls_pk_algorithm_t</span></a>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-sign-get-pk-algorithm" title="gnutls_sign_get_pk_algorithm ()">gnutls_sign_get_pk_algorithm</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-sign-is-secure" title="gnutls_sign_is_secure ()">gnutls_sign_is_secure</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">const <a class="link" href="gnutls-gnutls.html#gnutls-sign-algorithm-t" title="enum gnutls_sign_algorithm_t"><span class="returnvalue">gnutls_sign_algorithm_t</span></a> *
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-sign-list" title="gnutls_sign_list ()">gnutls_sign_list</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-srp-allocate-client-credentials" title="gnutls_srp_allocate_client_credentials ()">gnutls_srp_allocate_client_credentials</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-srp-allocate-server-credentials" title="gnutls_srp_allocate_server_credentials ()">gnutls_srp_allocate_server_credentials</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-srp-base64-decode" title="gnutls_srp_base64_decode ()">gnutls_srp_base64_decode</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-srp-base64-encode" title="gnutls_srp_base64_encode ()">gnutls_srp_base64_encode</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-srp-free-client-credentials" title="gnutls_srp_free_client_credentials ()">gnutls_srp_free_client_credentials</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-srp-free-server-credentials" title="gnutls_srp_free_server_credentials ()">gnutls_srp_free_server_credentials</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">const <span class="returnvalue">char</span> *
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-srp-server-get-username" title="gnutls_srp_server_get_username ()">gnutls_srp_server_get_username</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-srp-set-client-credentials" title="gnutls_srp_set_client_credentials ()">gnutls_srp_set_client_credentials</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-srp-set-client-credentials-function" title="gnutls_srp_set_client_credentials_function ()">gnutls_srp_set_client_credentials_function</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-srp-set-prime-bits" title="gnutls_srp_set_prime_bits ()">gnutls_srp_set_prime_bits</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-srp-set-server-credentials-file" title="gnutls_srp_set_server_credentials_file ()">gnutls_srp_set_server_credentials_file</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-srp-set-server-credentials-function" title="gnutls_srp_set_server_credentials_function ()">gnutls_srp_set_server_credentials_function</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-srp-verifier" title="gnutls_srp_verifier ()">gnutls_srp_verifier</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-srtp-get-keys" title="gnutls_srtp_get_keys ()">gnutls_srtp_get_keys</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-srtp-get-mki" title="gnutls_srtp_get_mki ()">gnutls_srtp_get_mki</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-srtp-get-profile-id" title="gnutls_srtp_get_profile_id ()">gnutls_srtp_get_profile_id</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">const <span class="returnvalue">char</span> *
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-srtp-get-profile-name" title="gnutls_srtp_get_profile_name ()">gnutls_srtp_get_profile_name</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-srtp-get-selected-profile" title="gnutls_srtp_get_selected_profile ()">gnutls_srtp_get_selected_profile</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-srtp-set-mki" title="gnutls_srtp_set_mki ()">gnutls_srtp_set_mki</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-srtp-set-profile" title="gnutls_srtp_set_profile ()">gnutls_srtp_set_profile</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-srtp-set-profile-direct" title="gnutls_srtp_set_profile_direct ()">gnutls_srtp_set_profile_direct</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-store-commitment" title="gnutls_store_commitment ()">gnutls_store_commitment</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-store-pubkey" title="gnutls_store_pubkey ()">gnutls_store_pubkey</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">const <span class="returnvalue">char</span> *
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-strerror" title="gnutls_strerror ()">gnutls_strerror</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">const <span class="returnvalue">char</span> *
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-strerror-name" title="gnutls_strerror_name ()">gnutls_strerror_name</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-tdb-deinit" title="gnutls_tdb_deinit ()">gnutls_tdb_deinit</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-tdb-init" title="gnutls_tdb_init ()">gnutls_tdb_init</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-tdb-set-store-commitment-func" title="gnutls_tdb_set_store_commitment_func ()">gnutls_tdb_set_store_commitment_func</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-tdb-set-store-func" title="gnutls_tdb_set_store_func ()">gnutls_tdb_set_store_func</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-tdb-set-verify-func" title="gnutls_tdb_set_verify_func ()">gnutls_tdb_set_verify_func</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<span class="c_punctuation">(</span><a class="link" href="gnutls-gnutls.html#gnutls-tdb-store-commitment-func" title="gnutls_tdb_store_commitment_func ()">*gnutls_tdb_store_commitment_func</a><span class="c_punctuation">)</span> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<span class="c_punctuation">(</span><a class="link" href="gnutls-gnutls.html#gnutls-tdb-store-func" title="gnutls_tdb_store_func ()">*gnutls_tdb_store_func</a><span class="c_punctuation">)</span> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<span class="c_punctuation">(</span><a class="link" href="gnutls-gnutls.html#gnutls-tdb-verify-func" title="gnutls_tdb_verify_func ()">*gnutls_tdb_verify_func</a><span class="c_punctuation">)</span> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">time_t</span>
</td>
<td class="function_name">
<span class="c_punctuation">(</span><a class="link" href="gnutls-gnutls.html#gnutls-time-func" title="gnutls_time_func ()">*gnutls_time_func</a><span class="c_punctuation">)</span> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="gnutls-gnutls.html#gnutls-transport-ptr-t" title="gnutls_transport_ptr_t"><span class="returnvalue">gnutls_transport_ptr_t</span></a>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-transport-get-ptr" title="gnutls_transport_get_ptr ()">gnutls_transport_get_ptr</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-transport-get-ptr2" title="gnutls_transport_get_ptr2 ()">gnutls_transport_get_ptr2</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-transport-set-errno" title="gnutls_transport_set_errno ()">gnutls_transport_set_errno</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-transport-set-errno-function" title="gnutls_transport_set_errno_function ()">gnutls_transport_set_errno_function</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-transport-set-ptr" title="gnutls_transport_set_ptr ()">gnutls_transport_set_ptr</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-transport-set-ptr2" title="gnutls_transport_set_ptr2 ()">gnutls_transport_set_ptr2</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-transport-set-pull-function" title="gnutls_transport_set_pull_function ()">gnutls_transport_set_pull_function</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-transport-set-pull-timeout-function" title="gnutls_transport_set_pull_timeout_function ()">gnutls_transport_set_pull_timeout_function</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-transport-set-push-function" title="gnutls_transport_set_push_function ()">gnutls_transport_set_push_function</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-transport-set-vec-push-function" title="gnutls_transport_set_vec_push_function ()">gnutls_transport_set_vec_push_function</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-url-is-supported" title="gnutls_url_is_supported ()">gnutls_url_is_supported</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">ssize_t</span>
</td>
<td class="function_name">
<span class="c_punctuation">(</span><a class="link" href="gnutls-gnutls.html#gnutls-vec-push-func" title="gnutls_vec_push_func ()">*gnutls_vec_push_func</a><span class="c_punctuation">)</span> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="gnutls-gnutls.html#gnutls-verify-stored-pubkey" title="gnutls_verify_stored_pubkey ()">gnutls_verify_stored_pubkey</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<span class="c_punctuation">(</span><a class="link" href="gnutls-gnutls.html#mutex-deinit-func" title="mutex_deinit_func ()">*mutex_deinit_func</a><span class="c_punctuation">)</span> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<span class="c_punctuation">(</span><a class="link" href="gnutls-gnutls.html#mutex-init-func" title="mutex_init_func ()">*mutex_init_func</a><span class="c_punctuation">)</span> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<span class="c_punctuation">(</span><a class="link" href="gnutls-gnutls.html#mutex-lock-func" title="mutex_lock_func ()">*mutex_lock_func</a><span class="c_punctuation">)</span> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">int</span>
</td>
<td class="function_name">
<span class="c_punctuation">(</span><a class="link" href="gnutls-gnutls.html#mutex-unlock-func" title="mutex_unlock_func ()">*mutex_unlock_func</a><span class="c_punctuation">)</span> <span class="c_punctuation">()</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="gnutls-gnutls.other"></a><h2>Types and Values</h2>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="name">
<col class="description">
</colgroup>
<tbody>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-CIPHER-ARCFOUR:CAPS" title="GNUTLS_CIPHER_ARCFOUR">GNUTLS_CIPHER_ARCFOUR</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-CIPHER-RIJNDAEL-128-CBC:CAPS" title="GNUTLS_CIPHER_RIJNDAEL_128_CBC">GNUTLS_CIPHER_RIJNDAEL_128_CBC</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-CIPHER-RIJNDAEL-256-CBC:CAPS" title="GNUTLS_CIPHER_RIJNDAEL_256_CBC">GNUTLS_CIPHER_RIJNDAEL_256_CBC</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-CIPHER-RIJNDAEL-CBC:CAPS" title="GNUTLS_CIPHER_RIJNDAEL_CBC">GNUTLS_CIPHER_RIJNDAEL_CBC</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-DIG-SHA:CAPS" title="GNUTLS_DIG_SHA">GNUTLS_DIG_SHA</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-AGAIN:CAPS" title="GNUTLS_E_AGAIN">GNUTLS_E_AGAIN</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-APPLICATION-ERROR-MAX:CAPS" title="GNUTLS_E_APPLICATION_ERROR_MAX">GNUTLS_E_APPLICATION_ERROR_MAX</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-APPLICATION-ERROR-MIN:CAPS" title="GNUTLS_E_APPLICATION_ERROR_MIN">GNUTLS_E_APPLICATION_ERROR_MIN</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-ASN1-DER-ERROR:CAPS" title="GNUTLS_E_ASN1_DER_ERROR">GNUTLS_E_ASN1_DER_ERROR</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-ASN1-DER-OVERFLOW:CAPS" title="GNUTLS_E_ASN1_DER_OVERFLOW">GNUTLS_E_ASN1_DER_OVERFLOW</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-ASN1-ELEMENT-NOT-FOUND:CAPS" title="GNUTLS_E_ASN1_ELEMENT_NOT_FOUND">GNUTLS_E_ASN1_ELEMENT_NOT_FOUND</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-ASN1-GENERIC-ERROR:CAPS" title="GNUTLS_E_ASN1_GENERIC_ERROR">GNUTLS_E_ASN1_GENERIC_ERROR</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-ASN1-IDENTIFIER-NOT-FOUND:CAPS" title="GNUTLS_E_ASN1_IDENTIFIER_NOT_FOUND">GNUTLS_E_ASN1_IDENTIFIER_NOT_FOUND</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-ASN1-SYNTAX-ERROR:CAPS" title="GNUTLS_E_ASN1_SYNTAX_ERROR">GNUTLS_E_ASN1_SYNTAX_ERROR</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-ASN1-TAG-ERROR:CAPS" title="GNUTLS_E_ASN1_TAG_ERROR">GNUTLS_E_ASN1_TAG_ERROR</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-ASN1-TAG-IMPLICIT:CAPS" title="GNUTLS_E_ASN1_TAG_IMPLICIT">GNUTLS_E_ASN1_TAG_IMPLICIT</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-ASN1-TYPE-ANY-ERROR:CAPS" title="GNUTLS_E_ASN1_TYPE_ANY_ERROR">GNUTLS_E_ASN1_TYPE_ANY_ERROR</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-ASN1-VALUE-NOT-FOUND:CAPS" title="GNUTLS_E_ASN1_VALUE_NOT_FOUND">GNUTLS_E_ASN1_VALUE_NOT_FOUND</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-ASN1-VALUE-NOT-VALID:CAPS" title="GNUTLS_E_ASN1_VALUE_NOT_VALID">GNUTLS_E_ASN1_VALUE_NOT_VALID</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-BAD-COOKIE:CAPS" title="GNUTLS_E_BAD_COOKIE">GNUTLS_E_BAD_COOKIE</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-BASE64-DECODING-ERROR:CAPS" title="GNUTLS_E_BASE64_DECODING_ERROR">GNUTLS_E_BASE64_DECODING_ERROR</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-BASE64-ENCODING-ERROR:CAPS" title="GNUTLS_E_BASE64_ENCODING_ERROR">GNUTLS_E_BASE64_ENCODING_ERROR</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-BASE64-UNEXPECTED-HEADER-ERROR:CAPS" title="GNUTLS_E_BASE64_UNEXPECTED_HEADER_ERROR">GNUTLS_E_BASE64_UNEXPECTED_HEADER_ERROR</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-CERTIFICATE-ERROR:CAPS" title="GNUTLS_E_CERTIFICATE_ERROR">GNUTLS_E_CERTIFICATE_ERROR</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-CERTIFICATE-KEY-MISMATCH:CAPS" title="GNUTLS_E_CERTIFICATE_KEY_MISMATCH">GNUTLS_E_CERTIFICATE_KEY_MISMATCH</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-CERTIFICATE-LIST-UNSORTED:CAPS" title="GNUTLS_E_CERTIFICATE_LIST_UNSORTED">GNUTLS_E_CERTIFICATE_LIST_UNSORTED</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-CHANNEL-BINDING-NOT-AVAILABLE:CAPS" title="GNUTLS_E_CHANNEL_BINDING_NOT_AVAILABLE">GNUTLS_E_CHANNEL_BINDING_NOT_AVAILABLE</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-COMPRESSION-FAILED:CAPS" title="GNUTLS_E_COMPRESSION_FAILED">GNUTLS_E_COMPRESSION_FAILED</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-CONSTRAINT-ERROR:CAPS" title="GNUTLS_E_CONSTRAINT_ERROR">GNUTLS_E_CONSTRAINT_ERROR</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-CRYPTODEV-DEVICE-ERROR:CAPS" title="GNUTLS_E_CRYPTODEV_DEVICE_ERROR">GNUTLS_E_CRYPTODEV_DEVICE_ERROR</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-CRYPTODEV-IOCTL-ERROR:CAPS" title="GNUTLS_E_CRYPTODEV_IOCTL_ERROR">GNUTLS_E_CRYPTODEV_IOCTL_ERROR</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-CRYPTO-ALREADY-REGISTERED:CAPS" title="GNUTLS_E_CRYPTO_ALREADY_REGISTERED">GNUTLS_E_CRYPTO_ALREADY_REGISTERED</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-CRYPTO-INIT-FAILED:CAPS" title="GNUTLS_E_CRYPTO_INIT_FAILED">GNUTLS_E_CRYPTO_INIT_FAILED</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-DB-ERROR:CAPS" title="GNUTLS_E_DB_ERROR">GNUTLS_E_DB_ERROR</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-DECOMPRESSION-FAILED:CAPS" title="GNUTLS_E_DECOMPRESSION_FAILED">GNUTLS_E_DECOMPRESSION_FAILED</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-DECRYPTION-FAILED:CAPS" title="GNUTLS_E_DECRYPTION_FAILED">GNUTLS_E_DECRYPTION_FAILED</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-DH-PRIME-UNACCEPTABLE:CAPS" title="GNUTLS_E_DH_PRIME_UNACCEPTABLE">GNUTLS_E_DH_PRIME_UNACCEPTABLE</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-ECC-NO-SUPPORTED-CURVES:CAPS" title="GNUTLS_E_ECC_NO_SUPPORTED_CURVES">GNUTLS_E_ECC_NO_SUPPORTED_CURVES</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-ECC-UNSUPPORTED-CURVE:CAPS" title="GNUTLS_E_ECC_UNSUPPORTED_CURVE">GNUTLS_E_ECC_UNSUPPORTED_CURVE</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-ENCRYPTION-FAILED:CAPS" title="GNUTLS_E_ENCRYPTION_FAILED">GNUTLS_E_ENCRYPTION_FAILED</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-ERROR-IN-FINISHED-PACKET:CAPS" title="GNUTLS_E_ERROR_IN_FINISHED_PACKET">GNUTLS_E_ERROR_IN_FINISHED_PACKET</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-EXPIRED:CAPS" title="GNUTLS_E_EXPIRED">GNUTLS_E_EXPIRED</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-FATAL-ALERT-RECEIVED:CAPS" title="GNUTLS_E_FATAL_ALERT_RECEIVED">GNUTLS_E_FATAL_ALERT_RECEIVED</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-FILE-ERROR:CAPS" title="GNUTLS_E_FILE_ERROR">GNUTLS_E_FILE_ERROR</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-GOT-APPLICATION-DATA:CAPS" title="GNUTLS_E_GOT_APPLICATION_DATA">GNUTLS_E_GOT_APPLICATION_DATA</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-HANDSHAKE-TOO-LARGE:CAPS" title="GNUTLS_E_HANDSHAKE_TOO_LARGE">GNUTLS_E_HANDSHAKE_TOO_LARGE</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-HASH-FAILED:CAPS" title="GNUTLS_E_HASH_FAILED">GNUTLS_E_HASH_FAILED</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-HEARTBEAT-PING-RECEIVED:CAPS" title="GNUTLS_E_HEARTBEAT_PING_RECEIVED">GNUTLS_E_HEARTBEAT_PING_RECEIVED</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-HEARTBEAT-PONG-RECEIVED:CAPS" title="GNUTLS_E_HEARTBEAT_PONG_RECEIVED">GNUTLS_E_HEARTBEAT_PONG_RECEIVED</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-IA-VERIFY-FAILED:CAPS" title="GNUTLS_E_IA_VERIFY_FAILED">GNUTLS_E_IA_VERIFY_FAILED</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-ILLEGAL-PARAMETER:CAPS" title="GNUTLS_E_ILLEGAL_PARAMETER">GNUTLS_E_ILLEGAL_PARAMETER</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-ILLEGAL-SRP-USERNAME:CAPS" title="GNUTLS_E_ILLEGAL_SRP_USERNAME">GNUTLS_E_ILLEGAL_SRP_USERNAME</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-INCOMPATIBLE-CRYPTO-LIBRARY:CAPS" title="GNUTLS_E_INCOMPATIBLE_CRYPTO_LIBRARY">GNUTLS_E_INCOMPATIBLE_CRYPTO_LIBRARY</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-INCOMPATIBLE-GCRYPT-LIBRARY:CAPS" title="GNUTLS_E_INCOMPATIBLE_GCRYPT_LIBRARY">GNUTLS_E_INCOMPATIBLE_GCRYPT_LIBRARY</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-INCOMPATIBLE-LIBTASN1-LIBRARY:CAPS" title="GNUTLS_E_INCOMPATIBLE_LIBTASN1_LIBRARY">GNUTLS_E_INCOMPATIBLE_LIBTASN1_LIBRARY</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-INCOMPAT-DSA-KEY-WITH-TLS-PROTOCOL:CAPS" title="GNUTLS_E_INCOMPAT_DSA_KEY_WITH_TLS_PROTOCOL">GNUTLS_E_INCOMPAT_DSA_KEY_WITH_TLS_PROTOCOL</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-INSUFFICIENT-CRED:CAPS" title="GNUTLS_E_INSUFFICIENT_CRED">GNUTLS_E_INSUFFICIENT_CRED</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-INSUFFICIENT-CREDENTIALS:CAPS" title="GNUTLS_E_INSUFFICIENT_CREDENTIALS">GNUTLS_E_INSUFFICIENT_CREDENTIALS</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-INSUFICIENT-CRED:CAPS" title="GNUTLS_E_INSUFICIENT_CRED">GNUTLS_E_INSUFICIENT_CRED</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-INSUFICIENT-CREDENTIALS:CAPS" title="GNUTLS_E_INSUFICIENT_CREDENTIALS">GNUTLS_E_INSUFICIENT_CREDENTIALS</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-INTERNAL-ERROR:CAPS" title="GNUTLS_E_INTERNAL_ERROR">GNUTLS_E_INTERNAL_ERROR</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-INTERRUPTED:CAPS" title="GNUTLS_E_INTERRUPTED">GNUTLS_E_INTERRUPTED</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-INVALID-PASSWORD:CAPS" title="GNUTLS_E_INVALID_PASSWORD">GNUTLS_E_INVALID_PASSWORD</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-INVALID-REQUEST:CAPS" title="GNUTLS_E_INVALID_REQUEST">GNUTLS_E_INVALID_REQUEST</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-INVALID-SESSION:CAPS" title="GNUTLS_E_INVALID_SESSION">GNUTLS_E_INVALID_SESSION</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-KEY-USAGE-VIOLATION:CAPS" title="GNUTLS_E_KEY_USAGE_VIOLATION">GNUTLS_E_KEY_USAGE_VIOLATION</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-LARGE-PACKET:CAPS" title="GNUTLS_E_LARGE_PACKET">GNUTLS_E_LARGE_PACKET</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-LOCKING-ERROR:CAPS" title="GNUTLS_E_LOCKING_ERROR">GNUTLS_E_LOCKING_ERROR</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-MAC-VERIFY-FAILED:CAPS" title="GNUTLS_E_MAC_VERIFY_FAILED">GNUTLS_E_MAC_VERIFY_FAILED</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-MEMORY-ERROR:CAPS" title="GNUTLS_E_MEMORY_ERROR">GNUTLS_E_MEMORY_ERROR</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-MPI-PRINT-FAILED:CAPS" title="GNUTLS_E_MPI_PRINT_FAILED">GNUTLS_E_MPI_PRINT_FAILED</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-MPI-SCAN-FAILED:CAPS" title="GNUTLS_E_MPI_SCAN_FAILED">GNUTLS_E_MPI_SCAN_FAILED</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-NO-CERTIFICATE-FOUND:CAPS" title="GNUTLS_E_NO_CERTIFICATE_FOUND">GNUTLS_E_NO_CERTIFICATE_FOUND</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-NO-CERTIFICATE-STATUS:CAPS" title="GNUTLS_E_NO_CERTIFICATE_STATUS">GNUTLS_E_NO_CERTIFICATE_STATUS</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-NO-CIPHER-SUITES:CAPS" title="GNUTLS_E_NO_CIPHER_SUITES">GNUTLS_E_NO_CIPHER_SUITES</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-NO-COMPRESSION-ALGORITHMS:CAPS" title="GNUTLS_E_NO_COMPRESSION_ALGORITHMS">GNUTLS_E_NO_COMPRESSION_ALGORITHMS</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-NO-PRIORITIES-WERE-SET:CAPS" title="GNUTLS_E_NO_PRIORITIES_WERE_SET">GNUTLS_E_NO_PRIORITIES_WERE_SET</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-NO-TEMPORARY-DH-PARAMS:CAPS" title="GNUTLS_E_NO_TEMPORARY_DH_PARAMS">GNUTLS_E_NO_TEMPORARY_DH_PARAMS</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-NO-TEMPORARY-RSA-PARAMS:CAPS" title="GNUTLS_E_NO_TEMPORARY_RSA_PARAMS">GNUTLS_E_NO_TEMPORARY_RSA_PARAMS</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-OCSP-RESPONSE-ERROR:CAPS" title="GNUTLS_E_OCSP_RESPONSE_ERROR">GNUTLS_E_OCSP_RESPONSE_ERROR</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-OPENPGP-FINGERPRINT-UNSUPPORTED:CAPS" title="GNUTLS_E_OPENPGP_FINGERPRINT_UNSUPPORTED">GNUTLS_E_OPENPGP_FINGERPRINT_UNSUPPORTED</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-OPENPGP-GETKEY-FAILED:CAPS" title="GNUTLS_E_OPENPGP_GETKEY_FAILED">GNUTLS_E_OPENPGP_GETKEY_FAILED</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-OPENPGP-KEYRING-ERROR:CAPS" title="GNUTLS_E_OPENPGP_KEYRING_ERROR">GNUTLS_E_OPENPGP_KEYRING_ERROR</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-OPENPGP-PREFERRED-KEY-ERROR:CAPS" title="GNUTLS_E_OPENPGP_PREFERRED_KEY_ERROR">GNUTLS_E_OPENPGP_PREFERRED_KEY_ERROR</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-OPENPGP-SUBKEY-ERROR:CAPS" title="GNUTLS_E_OPENPGP_SUBKEY_ERROR">GNUTLS_E_OPENPGP_SUBKEY_ERROR</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-OPENPGP-UID-REVOKED:CAPS" title="GNUTLS_E_OPENPGP_UID_REVOKED">GNUTLS_E_OPENPGP_UID_REVOKED</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-PARSING-ERROR:CAPS" title="GNUTLS_E_PARSING_ERROR">GNUTLS_E_PARSING_ERROR</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-PKCS11-ATTRIBUTE-ERROR:CAPS" title="GNUTLS_E_PKCS11_ATTRIBUTE_ERROR">GNUTLS_E_PKCS11_ATTRIBUTE_ERROR</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-PKCS11-DATA-ERROR:CAPS" title="GNUTLS_E_PKCS11_DATA_ERROR">GNUTLS_E_PKCS11_DATA_ERROR</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-PKCS11-DEVICE-ERROR:CAPS" title="GNUTLS_E_PKCS11_DEVICE_ERROR">GNUTLS_E_PKCS11_DEVICE_ERROR</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-PKCS11-ERROR:CAPS" title="GNUTLS_E_PKCS11_ERROR">GNUTLS_E_PKCS11_ERROR</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-PKCS11-KEY-ERROR:CAPS" title="GNUTLS_E_PKCS11_KEY_ERROR">GNUTLS_E_PKCS11_KEY_ERROR</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-PKCS11-LOAD-ERROR:CAPS" title="GNUTLS_E_PKCS11_LOAD_ERROR">GNUTLS_E_PKCS11_LOAD_ERROR</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-PKCS11-PIN-ERROR:CAPS" title="GNUTLS_E_PKCS11_PIN_ERROR">GNUTLS_E_PKCS11_PIN_ERROR</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-PKCS11-PIN-EXPIRED:CAPS" title="GNUTLS_E_PKCS11_PIN_EXPIRED">GNUTLS_E_PKCS11_PIN_EXPIRED</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-PKCS11-PIN-LOCKED:CAPS" title="GNUTLS_E_PKCS11_PIN_LOCKED">GNUTLS_E_PKCS11_PIN_LOCKED</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-PKCS11-REQUESTED-OBJECT-NOT-AVAILBLE:CAPS" title="GNUTLS_E_PKCS11_REQUESTED_OBJECT_NOT_AVAILBLE">GNUTLS_E_PKCS11_REQUESTED_OBJECT_NOT_AVAILBLE</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-PKCS11-SESSION-ERROR:CAPS" title="GNUTLS_E_PKCS11_SESSION_ERROR">GNUTLS_E_PKCS11_SESSION_ERROR</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-PKCS11-SIGNATURE-ERROR:CAPS" title="GNUTLS_E_PKCS11_SIGNATURE_ERROR">GNUTLS_E_PKCS11_SIGNATURE_ERROR</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-PKCS11-SLOT-ERROR:CAPS" title="GNUTLS_E_PKCS11_SLOT_ERROR">GNUTLS_E_PKCS11_SLOT_ERROR</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-PKCS11-TOKEN-ERROR:CAPS" title="GNUTLS_E_PKCS11_TOKEN_ERROR">GNUTLS_E_PKCS11_TOKEN_ERROR</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-PKCS11-UNSUPPORTED-FEATURE-ERROR:CAPS" title="GNUTLS_E_PKCS11_UNSUPPORTED_FEATURE_ERROR">GNUTLS_E_PKCS11_UNSUPPORTED_FEATURE_ERROR</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-PKCS11-USER-ERROR:CAPS" title="GNUTLS_E_PKCS11_USER_ERROR">GNUTLS_E_PKCS11_USER_ERROR</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-PKCS1-WRONG-PAD:CAPS" title="GNUTLS_E_PKCS1_WRONG_PAD">GNUTLS_E_PKCS1_WRONG_PAD</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-PK-DECRYPTION-FAILED:CAPS" title="GNUTLS_E_PK_DECRYPTION_FAILED">GNUTLS_E_PK_DECRYPTION_FAILED</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-PK-ENCRYPTION-FAILED:CAPS" title="GNUTLS_E_PK_ENCRYPTION_FAILED">GNUTLS_E_PK_ENCRYPTION_FAILED</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-PK-SIGN-FAILED:CAPS" title="GNUTLS_E_PK_SIGN_FAILED">GNUTLS_E_PK_SIGN_FAILED</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-PK-SIG-VERIFY-FAILED:CAPS" title="GNUTLS_E_PK_SIG_VERIFY_FAILED">GNUTLS_E_PK_SIG_VERIFY_FAILED</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-PREMATURE-TERMINATION:CAPS" title="GNUTLS_E_PREMATURE_TERMINATION">GNUTLS_E_PREMATURE_TERMINATION</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-PULL-ERROR:CAPS" title="GNUTLS_E_PULL_ERROR">GNUTLS_E_PULL_ERROR</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-PUSH-ERROR:CAPS" title="GNUTLS_E_PUSH_ERROR">GNUTLS_E_PUSH_ERROR</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-RANDOM-FAILED:CAPS" title="GNUTLS_E_RANDOM_FAILED">GNUTLS_E_RANDOM_FAILED</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-RECEIVED-ILLEGAL-EXTENSION:CAPS" title="GNUTLS_E_RECEIVED_ILLEGAL_EXTENSION">GNUTLS_E_RECEIVED_ILLEGAL_EXTENSION</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-RECEIVED-ILLEGAL-PARAMETER:CAPS" title="GNUTLS_E_RECEIVED_ILLEGAL_PARAMETER">GNUTLS_E_RECEIVED_ILLEGAL_PARAMETER</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-RECORD-LIMIT-REACHED:CAPS" title="GNUTLS_E_RECORD_LIMIT_REACHED">GNUTLS_E_RECORD_LIMIT_REACHED</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-REHANDSHAKE:CAPS" title="GNUTLS_E_REHANDSHAKE">GNUTLS_E_REHANDSHAKE</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-REQUESTED-DATA-NOT-AVAILABLE:CAPS" title="GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE">GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-SAFE-RENEGOTIATION-FAILED:CAPS" title="GNUTLS_E_SAFE_RENEGOTIATION_FAILED">GNUTLS_E_SAFE_RENEGOTIATION_FAILED</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-SESSION-EOF:CAPS" title="GNUTLS_E_SESSION_EOF">GNUTLS_E_SESSION_EOF</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-SHORT-MEMORY-BUFFER:CAPS" title="GNUTLS_E_SHORT_MEMORY_BUFFER">GNUTLS_E_SHORT_MEMORY_BUFFER</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-SRP-PWD-ERROR:CAPS" title="GNUTLS_E_SRP_PWD_ERROR">GNUTLS_E_SRP_PWD_ERROR</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-SRP-PWD-PARSING-ERROR:CAPS" title="GNUTLS_E_SRP_PWD_PARSING_ERROR">GNUTLS_E_SRP_PWD_PARSING_ERROR</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS">GNUTLS_E_SUCCESS</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-TIMEDOUT:CAPS" title="GNUTLS_E_TIMEDOUT">GNUTLS_E_TIMEDOUT</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-TOO-MANY-EMPTY-PACKETS:CAPS" title="GNUTLS_E_TOO_MANY_EMPTY_PACKETS">GNUTLS_E_TOO_MANY_EMPTY_PACKETS</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-TOO-MANY-HANDSHAKE-PACKETS:CAPS" title="GNUTLS_E_TOO_MANY_HANDSHAKE_PACKETS">GNUTLS_E_TOO_MANY_HANDSHAKE_PACKETS</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-TPM-ERROR:CAPS" title="GNUTLS_E_TPM_ERROR">GNUTLS_E_TPM_ERROR</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-TPM-KEY-NOT-FOUND:CAPS" title="GNUTLS_E_TPM_KEY_NOT_FOUND">GNUTLS_E_TPM_KEY_NOT_FOUND</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-TPM-KEY-PASSWORD-ERROR:CAPS" title="GNUTLS_E_TPM_KEY_PASSWORD_ERROR">GNUTLS_E_TPM_KEY_PASSWORD_ERROR</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-TPM-SESSION-ERROR:CAPS" title="GNUTLS_E_TPM_SESSION_ERROR">GNUTLS_E_TPM_SESSION_ERROR</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-TPM-SRK-PASSWORD-ERROR:CAPS" title="GNUTLS_E_TPM_SRK_PASSWORD_ERROR">GNUTLS_E_TPM_SRK_PASSWORD_ERROR</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-TPM-UNINITIALIZED:CAPS" title="GNUTLS_E_TPM_UNINITIALIZED">GNUTLS_E_TPM_UNINITIALIZED</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-UNEXPECTED-HANDSHAKE-PACKET:CAPS" title="GNUTLS_E_UNEXPECTED_HANDSHAKE_PACKET">GNUTLS_E_UNEXPECTED_HANDSHAKE_PACKET</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-UNEXPECTED-PACKET:CAPS" title="GNUTLS_E_UNEXPECTED_PACKET">GNUTLS_E_UNEXPECTED_PACKET</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-UNEXPECTED-PACKET-LENGTH:CAPS" title="GNUTLS_E_UNEXPECTED_PACKET_LENGTH">GNUTLS_E_UNEXPECTED_PACKET_LENGTH</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-UNIMPLEMENTED-FEATURE:CAPS" title="GNUTLS_E_UNIMPLEMENTED_FEATURE">GNUTLS_E_UNIMPLEMENTED_FEATURE</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-UNKNOWN-ALGORITHM:CAPS" title="GNUTLS_E_UNKNOWN_ALGORITHM">GNUTLS_E_UNKNOWN_ALGORITHM</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-UNKNOWN-CIPHER-SUITE:CAPS" title="GNUTLS_E_UNKNOWN_CIPHER_SUITE">GNUTLS_E_UNKNOWN_CIPHER_SUITE</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-UNKNOWN-CIPHER-TYPE:CAPS" title="GNUTLS_E_UNKNOWN_CIPHER_TYPE">GNUTLS_E_UNKNOWN_CIPHER_TYPE</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-UNKNOWN-COMPRESSION-ALGORITHM:CAPS" title="GNUTLS_E_UNKNOWN_COMPRESSION_ALGORITHM">GNUTLS_E_UNKNOWN_COMPRESSION_ALGORITHM</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-UNKNOWN-HASH-ALGORITHM:CAPS" title="GNUTLS_E_UNKNOWN_HASH_ALGORITHM">GNUTLS_E_UNKNOWN_HASH_ALGORITHM</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-UNKNOWN-PKCS-BAG-TYPE:CAPS" title="GNUTLS_E_UNKNOWN_PKCS_BAG_TYPE">GNUTLS_E_UNKNOWN_PKCS_BAG_TYPE</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-UNKNOWN-PKCS-CONTENT-TYPE:CAPS" title="GNUTLS_E_UNKNOWN_PKCS_CONTENT_TYPE">GNUTLS_E_UNKNOWN_PKCS_CONTENT_TYPE</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-UNKNOWN-PK-ALGORITHM:CAPS" title="GNUTLS_E_UNKNOWN_PK_ALGORITHM">GNUTLS_E_UNKNOWN_PK_ALGORITHM</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-UNKNOWN-SRP-USERNAME:CAPS" title="GNUTLS_E_UNKNOWN_SRP_USERNAME">GNUTLS_E_UNKNOWN_SRP_USERNAME</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-UNSAFE-RENEGOTIATION-DENIED:CAPS" title="GNUTLS_E_UNSAFE_RENEGOTIATION_DENIED">GNUTLS_E_UNSAFE_RENEGOTIATION_DENIED</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-UNSUPPORTED-CERTIFICATE-TYPE:CAPS" title="GNUTLS_E_UNSUPPORTED_CERTIFICATE_TYPE">GNUTLS_E_UNSUPPORTED_CERTIFICATE_TYPE</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-UNSUPPORTED-SIGNATURE-ALGORITHM:CAPS" title="GNUTLS_E_UNSUPPORTED_SIGNATURE_ALGORITHM">GNUTLS_E_UNSUPPORTED_SIGNATURE_ALGORITHM</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-UNSUPPORTED-VERSION-PACKET:CAPS" title="GNUTLS_E_UNSUPPORTED_VERSION_PACKET">GNUTLS_E_UNSUPPORTED_VERSION_PACKET</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-UNWANTED-ALGORITHM:CAPS" title="GNUTLS_E_UNWANTED_ALGORITHM">GNUTLS_E_UNWANTED_ALGORITHM</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-USER-ERROR:CAPS" title="GNUTLS_E_USER_ERROR">GNUTLS_E_USER_ERROR</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-WARNING-ALERT-RECEIVED:CAPS" title="GNUTLS_E_WARNING_ALERT_RECEIVED">GNUTLS_E_WARNING_ALERT_RECEIVED</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-WARNING-IA-FPHF-RECEIVED:CAPS" title="GNUTLS_E_WARNING_IA_FPHF_RECEIVED">GNUTLS_E_WARNING_IA_FPHF_RECEIVED</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-WARNING-IA-IPHF-RECEIVED:CAPS" title="GNUTLS_E_WARNING_IA_IPHF_RECEIVED">GNUTLS_E_WARNING_IA_IPHF_RECEIVED</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-X509-CERTIFICATE-ERROR:CAPS" title="GNUTLS_E_X509_CERTIFICATE_ERROR">GNUTLS_E_X509_CERTIFICATE_ERROR</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-X509-UNKNOWN-SAN:CAPS" title="GNUTLS_E_X509_UNKNOWN_SAN">GNUTLS_E_X509_UNKNOWN_SAN</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-X509-UNSUPPORTED-ATTRIBUTE:CAPS" title="GNUTLS_E_X509_UNSUPPORTED_ATTRIBUTE">GNUTLS_E_X509_UNSUPPORTED_ATTRIBUTE</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-X509-UNSUPPORTED-CRITICAL-EXTENSION:CAPS" title="GNUTLS_E_X509_UNSUPPORTED_CRITICAL_EXTENSION">GNUTLS_E_X509_UNSUPPORTED_CRITICAL_EXTENSION</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-X509-UNSUPPORTED-EXTENSION:CAPS" title="GNUTLS_E_X509_UNSUPPORTED_EXTENSION">GNUTLS_E_X509_UNSUPPORTED_EXTENSION</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-E-X509-UNSUPPORTED-OID:CAPS" title="GNUTLS_E_X509_UNSUPPORTED_OID">GNUTLS_E_X509_UNSUPPORTED_OID</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-HEARTBEAT-WAIT:CAPS" title="GNUTLS_HEARTBEAT_WAIT">GNUTLS_HEARTBEAT_WAIT</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-KEY-CRL-SIGN:CAPS" title="GNUTLS_KEY_CRL_SIGN">GNUTLS_KEY_CRL_SIGN</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-KEY-DATA-ENCIPHERMENT:CAPS" title="GNUTLS_KEY_DATA_ENCIPHERMENT">GNUTLS_KEY_DATA_ENCIPHERMENT</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-KEY-DECIPHER-ONLY:CAPS" title="GNUTLS_KEY_DECIPHER_ONLY">GNUTLS_KEY_DECIPHER_ONLY</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-KEY-DIGITAL-SIGNATURE:CAPS" title="GNUTLS_KEY_DIGITAL_SIGNATURE">GNUTLS_KEY_DIGITAL_SIGNATURE</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-KEY-ENCIPHER-ONLY:CAPS" title="GNUTLS_KEY_ENCIPHER_ONLY">GNUTLS_KEY_ENCIPHER_ONLY</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-KEY-KEY-AGREEMENT:CAPS" title="GNUTLS_KEY_KEY_AGREEMENT">GNUTLS_KEY_KEY_AGREEMENT</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-KEY-KEY-CERT-SIGN:CAPS" title="GNUTLS_KEY_KEY_CERT_SIGN">GNUTLS_KEY_KEY_CERT_SIGN</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-KEY-KEY-ENCIPHERMENT:CAPS" title="GNUTLS_KEY_KEY_ENCIPHERMENT">GNUTLS_KEY_KEY_ENCIPHERMENT</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-KEY-NON-REPUDIATION:CAPS" title="GNUTLS_KEY_NON_REPUDIATION">GNUTLS_KEY_NON_REPUDIATION</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-MAC-SHA:CAPS" title="GNUTLS_MAC_SHA">GNUTLS_MAC_SHA</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-MAX-ALGORITHM-NUM:CAPS" title="GNUTLS_MAX_ALGORITHM_NUM">GNUTLS_MAX_ALGORITHM_NUM</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-MAX-SESSION-ID:CAPS" title="GNUTLS_MAX_SESSION_ID">GNUTLS_MAX_SESSION_ID</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-PKCS11-PIN-CONTEXT-SPECIFIC:CAPS" title="GNUTLS_PKCS11_PIN_CONTEXT_SPECIFIC">GNUTLS_PKCS11_PIN_CONTEXT_SPECIFIC</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-PKCS11-PIN-COUNT-LOW:CAPS" title="GNUTLS_PKCS11_PIN_COUNT_LOW">GNUTLS_PKCS11_PIN_COUNT_LOW</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-PKCS11-PIN-FINAL-TRY:CAPS" title="GNUTLS_PKCS11_PIN_FINAL_TRY">GNUTLS_PKCS11_PIN_FINAL_TRY</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-PKCS11-PIN-SO:CAPS" title="GNUTLS_PKCS11_PIN_SO">GNUTLS_PKCS11_PIN_SO</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-PKCS11-PIN-USER:CAPS" title="GNUTLS_PKCS11_PIN_USER">GNUTLS_PKCS11_PIN_USER</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-PKCS11-PIN-WRONG:CAPS" title="GNUTLS_PKCS11_PIN_WRONG">GNUTLS_PKCS11_PIN_WRONG</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-PK-ECC:CAPS" title="GNUTLS_PK_ECC">GNUTLS_PK_ECC</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-SERVER:CAPS" title="GNUTLS_SERVER">GNUTLS_SERVER</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-VERSION:CAPS" title="GNUTLS_VERSION">GNUTLS_VERSION</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-VERSION-MAJOR:CAPS" title="GNUTLS_VERSION_MAJOR">GNUTLS_VERSION_MAJOR</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-VERSION-MINOR:CAPS" title="GNUTLS_VERSION_MINOR">GNUTLS_VERSION_MINOR</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-VERSION-NUMBER:CAPS" title="GNUTLS_VERSION_NUMBER">GNUTLS_VERSION_NUMBER</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#GNUTLS-VERSION-PATCH:CAPS" title="GNUTLS_VERSION_PATCH">GNUTLS_VERSION_PATCH</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#HAVE-SSIZE-T:CAPS" title="HAVE_SSIZE_T">HAVE_SSIZE_T</a></td>
</tr>
<tr>
<td class="datatype_keyword">enum</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#gnutls-alert-description-t" title="enum gnutls_alert_description_t">gnutls_alert_description_t</a></td>
</tr>
<tr>
<td class="datatype_keyword">enum</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#gnutls-alert-level-t" title="enum gnutls_alert_level_t">gnutls_alert_level_t</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#gnutls-certificate-credentials-st" title="struct gnutls_certificate_credentials_st">gnutls_certificate_credentials_st</a></td>
</tr>
<tr>
<td class="datatype_keyword">enum</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#gnutls-certificate-print-formats-t" title="enum gnutls_certificate_print_formats_t">gnutls_certificate_print_formats_t</a></td>
</tr>
<tr>
<td class="datatype_keyword">enum</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#gnutls-certificate-request-t" title="enum gnutls_certificate_request_t">gnutls_certificate_request_t</a></td>
</tr>
<tr>
<td class="datatype_keyword">enum</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#gnutls-certificate-status-t" title="enum gnutls_certificate_status_t">gnutls_certificate_status_t</a></td>
</tr>
<tr>
<td class="datatype_keyword">enum</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#gnutls-certificate-type-t" title="enum gnutls_certificate_type_t">gnutls_certificate_type_t</a></td>
</tr>
<tr>
<td class="datatype_keyword">enum</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#gnutls-channel-binding-t" title="enum gnutls_channel_binding_t">gnutls_channel_binding_t</a></td>
</tr>
<tr>
<td class="datatype_keyword">enum</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#gnutls-cipher-algorithm-t" title="enum gnutls_cipher_algorithm_t">gnutls_cipher_algorithm_t</a></td>
</tr>
<tr>
<td class="datatype_keyword">enum</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#gnutls-close-request-t" title="enum gnutls_close_request_t">gnutls_close_request_t</a></td>
</tr>
<tr>
<td class="datatype_keyword">enum</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#gnutls-compression-method-t" title="enum gnutls_compression_method_t">gnutls_compression_method_t</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#gnutls-cred-set" title="gnutls_cred_set">gnutls_cred_set</a></td>
</tr>
<tr>
<td class="datatype_keyword">enum</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#gnutls-credentials-type-t" title="enum gnutls_credentials_type_t">gnutls_credentials_type_t</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#gnutls-dh-params-int" title="struct gnutls_dh_params_int">gnutls_dh_params_int</a></td>
</tr>
<tr>
<td class="typedef_keyword">typedef</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#gnutls-dh-params-t" title="gnutls_dh_params_t">gnutls_dh_params_t</a></td>
</tr>
<tr>
<td class="datatype_keyword">enum</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#gnutls-digest-algorithm-t" title="enum gnutls_digest_algorithm_t">gnutls_digest_algorithm_t</a></td>
</tr>
<tr>
<td class="datatype_keyword">enum</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#gnutls-ecc-curve-t" title="enum gnutls_ecc_curve_t">gnutls_ecc_curve_t</a></td>
</tr>
<tr>
<td class="datatype_keyword">enum</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#gnutls-handshake-description-t" title="enum gnutls_handshake_description_t">gnutls_handshake_description_t</a></td>
</tr>
<tr>
<td class="datatype_keyword">enum</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#gnutls-kx-algorithm-t" title="enum gnutls_kx_algorithm_t">gnutls_kx_algorithm_t</a></td>
</tr>
<tr>
<td class="datatype_keyword">enum</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#gnutls-mac-algorithm-t" title="enum gnutls_mac_algorithm_t">gnutls_mac_algorithm_t</a></td>
</tr>
<tr>
<td class="datatype_keyword"> </td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#gnutls-openpgp-crt-int" title="gnutls_openpgp_crt_int">gnutls_openpgp_crt_int</a></td>
</tr>
<tr>
<td class="datatype_keyword">enum</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#gnutls-openpgp-crt-status-t" title="enum gnutls_openpgp_crt_status_t">gnutls_openpgp_crt_status_t</a></td>
</tr>
<tr>
<td class="typedef_keyword">typedef</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#gnutls-openpgp-crt-t" title="gnutls_openpgp_crt_t">gnutls_openpgp_crt_t</a></td>
</tr>
<tr>
<td class="datatype_keyword"> </td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#gnutls-openpgp-keyring-int" title="gnutls_openpgp_keyring_int">gnutls_openpgp_keyring_int</a></td>
</tr>
<tr>
<td class="typedef_keyword">typedef</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#gnutls-openpgp-keyring-t" title="gnutls_openpgp_keyring_t">gnutls_openpgp_keyring_t</a></td>
</tr>
<tr>
<td class="datatype_keyword"> </td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#gnutls-openpgp-privkey-int" title="gnutls_openpgp_privkey_int">gnutls_openpgp_privkey_int</a></td>
</tr>
<tr>
<td class="typedef_keyword">typedef</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#gnutls-openpgp-privkey-t" title="gnutls_openpgp_privkey_t">gnutls_openpgp_privkey_t</a></td>
</tr>
<tr>
<td class="datatype_keyword">enum</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#gnutls-params-type-t" title="enum gnutls_params_type_t">gnutls_params_type_t</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#gnutls-pem-base64-decode-alloc" title="gnutls_pem_base64_decode_alloc">gnutls_pem_base64_decode_alloc</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#gnutls-pem-base64-encode-alloc" title="gnutls_pem_base64_encode_alloc">gnutls_pem_base64_encode_alloc</a></td>
</tr>
<tr>
<td class="datatype_keyword">enum</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#gnutls-pin-flag-t" title="enum gnutls_pin_flag_t">gnutls_pin_flag_t</a></td>
</tr>
<tr>
<td class="datatype_keyword">enum</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#gnutls-pk-algorithm-t" title="enum gnutls_pk_algorithm_t">gnutls_pk_algorithm_t</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#gnutls-pkcs11-privkey-st" title="struct gnutls_pkcs11_privkey_st">gnutls_pkcs11_privkey_st</a></td>
</tr>
<tr>
<td class="typedef_keyword">typedef</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#gnutls-pkcs11-privkey-t" title="gnutls_pkcs11_privkey_t">gnutls_pkcs11_privkey_t</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#gnutls-priority-st" title="struct gnutls_priority_st">gnutls_priority_st</a></td>
</tr>
<tr>
<td class="typedef_keyword">typedef</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#gnutls-priority-t" title="gnutls_priority_t">gnutls_priority_t</a></td>
</tr>
<tr>
<td class="datatype_keyword">enum</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#gnutls-privkey-type-t" title="enum gnutls_privkey_type_t">gnutls_privkey_type_t</a></td>
</tr>
<tr>
<td class="datatype_keyword">enum</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#gnutls-protocol-t" title="enum gnutls_protocol_t">gnutls_protocol_t</a></td>
</tr>
<tr>
<td class="datatype_keyword">enum</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#gnutls-psk-key-flags" title="enum gnutls_psk_key_flags">gnutls_psk_key_flags</a></td>
</tr>
<tr>
<td class="datatype_keyword">enum</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#gnutls-random-art-t" title="enum gnutls_random_art_t">gnutls_random_art_t</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#gnutls-read" title="gnutls_read">gnutls_read</a></td>
</tr>
<tr>
<td class="typedef_keyword">typedef</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#gnutls-rsa-params-t" title="gnutls_rsa_params_t">gnutls_rsa_params_t</a></td>
</tr>
<tr>
<td class="datatype_keyword">enum</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#gnutls-sec-param-t" title="enum gnutls_sec_param_t">gnutls_sec_param_t</a></td>
</tr>
<tr>
<td class="datatype_keyword">enum</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#gnutls-server-name-type-t" title="enum gnutls_server_name_type_t">gnutls_server_name_type_t</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#gnutls-session-int" title="struct gnutls_session_int">gnutls_session_int</a></td>
</tr>
<tr>
<td class="typedef_keyword">typedef</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t">gnutls_session_t</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#gnutls-sign-algorithm-get-name" title="gnutls_sign_algorithm_get_name">gnutls_sign_algorithm_get_name</a></td>
</tr>
<tr>
<td class="datatype_keyword">enum</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#gnutls-sign-algorithm-t" title="enum gnutls_sign_algorithm_t">gnutls_sign_algorithm_t</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#gnutls-srp-base64-decode-alloc" title="gnutls_srp_base64_decode_alloc">gnutls_srp_base64_decode_alloc</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#gnutls-srp-base64-encode-alloc" title="gnutls_srp_base64_encode_alloc">gnutls_srp_base64_encode_alloc</a></td>
</tr>
<tr>
<td class="datatype_keyword">enum</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#gnutls-srtp-profile-t" title="enum gnutls_srtp_profile_t">gnutls_srtp_profile_t</a></td>
</tr>
<tr>
<td class="datatype_keyword">enum</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#gnutls-supplemental-data-format-type-t" title="enum gnutls_supplemental_data_format_type_t">gnutls_supplemental_data_format_type_t</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#gnutls-tdb-int" title="struct gnutls_tdb_int">gnutls_tdb_int</a></td>
</tr>
<tr>
<td class="typedef_keyword">typedef</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#gnutls-tdb-t" title="gnutls_tdb_t">gnutls_tdb_t</a></td>
</tr>
<tr>
<td class="typedef_keyword">typedef</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#gnutls-transport-ptr-t" title="gnutls_transport_ptr_t">gnutls_transport_ptr_t</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#gnutls-write" title="gnutls_write">gnutls_write</a></td>
</tr>
<tr>
<td class="datatype_keyword"> </td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#gnutls-x509-crl-int" title="gnutls_x509_crl_int">gnutls_x509_crl_int</a></td>
</tr>
<tr>
<td class="typedef_keyword">typedef</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#gnutls-x509-crl-t" title="gnutls_x509_crl_t">gnutls_x509_crl_t</a></td>
</tr>
<tr>
<td class="datatype_keyword"> </td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#gnutls-x509-crq-int" title="gnutls_x509_crq_int">gnutls_x509_crq_int</a></td>
</tr>
<tr>
<td class="typedef_keyword">typedef</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#gnutls-x509-crq-t" title="gnutls_x509_crq_t">gnutls_x509_crq_t</a></td>
</tr>
<tr>
<td class="datatype_keyword">enum</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#gnutls-x509-crt-fmt-t" title="enum gnutls_x509_crt_fmt_t">gnutls_x509_crt_fmt_t</a></td>
</tr>
<tr>
<td class="datatype_keyword"> </td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#gnutls-x509-crt-int" title="gnutls_x509_crt_int">gnutls_x509_crt_int</a></td>
</tr>
<tr>
<td class="typedef_keyword">typedef</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#gnutls-x509-crt-t" title="gnutls_x509_crt_t">gnutls_x509_crt_t</a></td>
</tr>
<tr>
<td class="datatype_keyword"> </td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#gnutls-x509-privkey-int" title="gnutls_x509_privkey_int">gnutls_x509_privkey_int</a></td>
</tr>
<tr>
<td class="typedef_keyword">typedef</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#gnutls-x509-privkey-t" title="gnutls_x509_privkey_t">gnutls_x509_privkey_t</a></td>
</tr>
<tr>
<td class="datatype_keyword">enum</td>
<td class="function_name"><a class="link" href="gnutls-gnutls.html#gnutls-x509-subject-alt-name-t" title="enum gnutls_x509_subject_alt_name_t">gnutls_x509_subject_alt_name_t</a></td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="gnutls-gnutls.description"></a><h2>Description</h2>
<p>
</p>
</div>
<div class="refsect1">
<a name="gnutls-gnutls.functions_details"></a><h2>Functions</h2>
<div class="refsect2">
<a name="GNUTLS-CLIENT:CAPS"></a><h3>GNUTLS_CLIENT</h3>
<pre class="programlisting">#define GNUTLS_CLIENT (1&lt;&lt;1)
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-DATAGRAM:CAPS"></a><h3>GNUTLS_DATAGRAM</h3>
<pre class="programlisting">#define GNUTLS_DATAGRAM (1&lt;&lt;2)
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-DEFAULT-HANDSHAKE-TIMEOUT:CAPS"></a><h3>GNUTLS_DEFAULT_HANDSHAKE_TIMEOUT</h3>
<pre class="programlisting">#define GNUTLS_DEFAULT_HANDSHAKE_TIMEOUT ((unsigned int)-1)
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-HB-LOCAL-ALLOWED-TO-SEND:CAPS"></a><h3>GNUTLS_HB_LOCAL_ALLOWED_TO_SEND</h3>
<pre class="programlisting">#define GNUTLS_HB_LOCAL_ALLOWED_TO_SEND (1&lt;&lt;2)
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-HB-PEER-ALLOWED-TO-SEND:CAPS"></a><h3>GNUTLS_HB_PEER_ALLOWED_TO_SEND</h3>
<pre class="programlisting">#define GNUTLS_HB_PEER_ALLOWED_TO_SEND (1)
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-HB-PEER-NOT-ALLOWED-TO-SEND:CAPS"></a><h3>GNUTLS_HB_PEER_NOT_ALLOWED_TO_SEND</h3>
<pre class="programlisting">#define GNUTLS_HB_PEER_NOT_ALLOWED_TO_SEND (1&lt;&lt;1)
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-NONBLOCK:CAPS"></a><h3>GNUTLS_NONBLOCK</h3>
<pre class="programlisting">#define GNUTLS_NONBLOCK (1&lt;&lt;3)
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-NO-EXTENSIONS:CAPS"></a><h3>GNUTLS_NO_EXTENSIONS</h3>
<pre class="programlisting">#define GNUTLS_NO_EXTENSIONS (1&lt;&lt;4)
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-alert-get"></a><h3>gnutls_alert_get ()</h3>
<pre class="programlisting"><a class="link" href="gnutls-gnutls.html#gnutls-alert-description-t" title="enum gnutls_alert_description_t"><span class="returnvalue">gnutls_alert_description_t</span></a>
gnutls_alert_get (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>);</pre>
<p>This function will return the last alert number received.  This
function should be called when <a class="link" href="gnutls-gnutls.html#GNUTLS-E-WARNING-ALERT-RECEIVED:CAPS" title="GNUTLS_E_WARNING_ALERT_RECEIVED"><code class="literal">GNUTLS_E_WARNING_ALERT_RECEIVED</code></a> or
<a class="link" href="gnutls-gnutls.html#GNUTLS-E-FATAL-ALERT-RECEIVED:CAPS" title="GNUTLS_E_FATAL_ALERT_RECEIVED"><code class="literal">GNUTLS_E_FATAL_ALERT_RECEIVED</code></a> errors are returned by a gnutls
function.  The peer may send alerts if he encounters an error.
If no alert has been received the returned value is undefined.</p>
<div class="refsect3">
<a name="id-1.2.4.6.10.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.10.6"></a><h4>Returns</h4>
<p> the last alert received, a
<a class="link" href="gnutls-gnutls.html#gnutls-alert-description-t" title="enum gnutls_alert_description_t"><span class="type">gnutls_alert_description_t</span></a> value.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-alert-get-name"></a><h3>gnutls_alert_get_name ()</h3>
<pre class="programlisting">const <span class="returnvalue">char</span> *
gnutls_alert_get_name (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-alert-description-t" title="enum gnutls_alert_description_t"><span class="type">gnutls_alert_description_t</span></a> alert</code></em>);</pre>
<p>This function will return a string that describes the given alert
number, or <code class="literal">NULL</code>.  See <a class="link" href="gnutls-gnutls.html#gnutls-alert-get" title="gnutls_alert_get ()"><code class="function">gnutls_alert_get()</code></a>.</p>
<div class="refsect3">
<a name="id-1.2.4.6.11.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>alert</p></td>
<td class="parameter_description"><p>is an alert number.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.11.6"></a><h4>Returns</h4>
<p> string corresponding to <a class="link" href="gnutls-gnutls.html#gnutls-alert-description-t" title="enum gnutls_alert_description_t"><span class="type">gnutls_alert_description_t</span></a> value.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-alert-get-strname"></a><h3>gnutls_alert_get_strname ()</h3>
<pre class="programlisting">const <span class="returnvalue">char</span> *
gnutls_alert_get_strname (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-alert-description-t" title="enum gnutls_alert_description_t"><span class="type">gnutls_alert_description_t</span></a> alert</code></em>);</pre>
<p>This function will return a string of the name of the alert.</p>
<div class="refsect3">
<a name="id-1.2.4.6.12.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>alert</p></td>
<td class="parameter_description"><p>is an alert number.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.12.6"></a><h4>Returns</h4>
<p> string corresponding to <a class="link" href="gnutls-gnutls.html#gnutls-alert-description-t" title="enum gnutls_alert_description_t"><span class="type">gnutls_alert_description_t</span></a> value.</p>
</div>
<p class="since">Since: 3.0</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-alert-send"></a><h3>gnutls_alert_send ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_alert_send (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>,
                   <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-alert-level-t" title="enum gnutls_alert_level_t"><span class="type">gnutls_alert_level_t</span></a> level</code></em>,
                   <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-alert-description-t" title="enum gnutls_alert_description_t"><span class="type">gnutls_alert_description_t</span></a> desc</code></em>);</pre>
<p>This function will send an alert to the peer in order to inform
him of something important (eg. his Certificate could not be verified).
If the alert level is Fatal then the peer is expected to close the
connection, otherwise he may ignore the alert and continue.</p>
<p>The error code of the underlying record send function will be
returned, so you may also receive <a class="link" href="gnutls-gnutls.html#GNUTLS-E-INTERRUPTED:CAPS" title="GNUTLS_E_INTERRUPTED"><code class="literal">GNUTLS_E_INTERRUPTED</code></a> or
<a class="link" href="gnutls-gnutls.html#GNUTLS-E-AGAIN:CAPS" title="GNUTLS_E_AGAIN"><code class="literal">GNUTLS_E_AGAIN</code></a> as well.</p>
<div class="refsect3">
<a name="id-1.2.4.6.13.6"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>level</p></td>
<td class="parameter_description"><p>is the level of the alert</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>desc</p></td>
<td class="parameter_description"><p>is the alert description</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.13.7"></a><h4>Returns</h4>
<p> On success, <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0) is returned, otherwise
an error code is returned.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-alert-send-appropriate"></a><h3>gnutls_alert_send_appropriate ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_alert_send_appropriate (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>,
                               <em class="parameter"><code><span class="type">int</span> err</code></em>);</pre>
<p>Sends an alert to the peer depending on the error code returned by
a gnutls function. This function will call <a class="link" href="gnutls-gnutls.html#gnutls-error-to-alert" title="gnutls_error_to_alert ()"><code class="function">gnutls_error_to_alert()</code></a>
to determine the appropriate alert to send.</p>
<p>This function may also return <a class="link" href="gnutls-gnutls.html#GNUTLS-E-AGAIN:CAPS" title="GNUTLS_E_AGAIN"><code class="literal">GNUTLS_E_AGAIN</code></a>, or
<a class="link" href="gnutls-gnutls.html#GNUTLS-E-INTERRUPTED:CAPS" title="GNUTLS_E_INTERRUPTED"><code class="literal">GNUTLS_E_INTERRUPTED</code></a>.</p>
<p>If the return value is <a class="link" href="gnutls-gnutls.html#GNUTLS-E-INVALID-REQUEST:CAPS" title="GNUTLS_E_INVALID_REQUEST"><code class="literal">GNUTLS_E_INVALID_REQUEST</code></a>, then no alert has
been sent to the peer.</p>
<div class="refsect3">
<a name="id-1.2.4.6.14.7"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>err</p></td>
<td class="parameter_description"><p>is an integer</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.14.8"></a><h4>Returns</h4>
<p> On success, <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0) is returned, otherwise
an error code is returned.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-alloc-function"></a><h3>gnutls_alloc_function ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> *
<span class="c_punctuation">(</span>*gnutls_alloc_function<span class="c_punctuation">)</span> (<em class="parameter"><code><span class="type">size_t</span> Param1</code></em>);</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-anon-allocate-client-credentials"></a><h3>gnutls_anon_allocate_client_credentials ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_anon_allocate_client_credentials
                               (<em class="parameter"><code><span class="type">gnutls_anon_client_credentials_t</span> *sc</code></em>);</pre>
<p>This structure is complex enough to manipulate directly thus
this helper function is provided in order to allocate it.</p>
<div class="refsect3">
<a name="id-1.2.4.6.16.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>sc</p></td>
<td class="parameter_description"><p>is a pointer to a <span class="type">gnutls_anon_client_credentials_t</span> type.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.16.6"></a><h4>Returns</h4>
<p> <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> on success, or an error code.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-anon-allocate-server-credentials"></a><h3>gnutls_anon_allocate_server_credentials ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_anon_allocate_server_credentials
                               (<em class="parameter"><code><span class="type">gnutls_anon_server_credentials_t</span> *sc</code></em>);</pre>
<p>This structure is complex enough to manipulate directly thus this
helper function is provided in order to allocate it.</p>
<div class="refsect3">
<a name="id-1.2.4.6.17.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>sc</p></td>
<td class="parameter_description"><p>is a pointer to a <span class="type">gnutls_anon_server_credentials_t</span> type.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.17.6"></a><h4>Returns</h4>
<p> <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> on success, or an error code.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-anon-free-client-credentials"></a><h3>gnutls_anon_free_client_credentials ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_anon_free_client_credentials (<em class="parameter"><code><span class="type">gnutls_anon_client_credentials_t</span> sc</code></em>);</pre>
<p>This structure is complex enough to manipulate directly thus this
helper function is provided in order to free (deallocate) it.</p>
<div class="refsect3">
<a name="id-1.2.4.6.18.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>sc</p></td>
<td class="parameter_description"><p>is a <span class="type">gnutls_anon_client_credentials_t</span> type.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-anon-free-server-credentials"></a><h3>gnutls_anon_free_server_credentials ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_anon_free_server_credentials (<em class="parameter"><code><span class="type">gnutls_anon_server_credentials_t</span> sc</code></em>);</pre>
<p>This structure is complex enough to manipulate directly thus this
helper function is provided in order to free (deallocate) it.</p>
<div class="refsect3">
<a name="id-1.2.4.6.19.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>sc</p></td>
<td class="parameter_description"><p>is a <span class="type">gnutls_anon_server_credentials_t</span> type.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-anon-set-params-function"></a><h3>gnutls_anon_set_params_function ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_anon_set_params_function (<em class="parameter"><code><span class="type">gnutls_anon_server_credentials_t</span> res</code></em>,
                                 <em class="parameter"><code><span class="type">gnutls_params_function</span> *func</code></em>);</pre>
<p>This function will set a callback in order for the server to get
the Diffie-Hellman or RSA parameters for anonymous authentication.
The callback should return <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0) on success.</p>
<div class="refsect3">
<a name="id-1.2.4.6.20.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>res</p></td>
<td class="parameter_description"><p>is a gnutls_anon_server_credentials_t type</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>func</p></td>
<td class="parameter_description"><p>is the function to be called</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-anon-set-server-dh-params"></a><h3>gnutls_anon_set_server_dh_params ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_anon_set_server_dh_params (<em class="parameter"><code><span class="type">gnutls_anon_server_credentials_t</span> res</code></em>,
                                  <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-dh-params-t" title="gnutls_dh_params_t"><span class="type">gnutls_dh_params_t</span></a> dh_params</code></em>);</pre>
<p>This function will set the Diffie-Hellman parameters for an
anonymous server to use.  These parameters will be used in
Anonymous Diffie-Hellman cipher suites.</p>
<div class="refsect3">
<a name="id-1.2.4.6.21.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>res</p></td>
<td class="parameter_description"><p>is a gnutls_anon_server_credentials_t type</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>dh_params</p></td>
<td class="parameter_description"><p>The Diffie-Hellman parameters.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-anon-set-server-params-function"></a><h3>gnutls_anon_set_server_params_function ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_anon_set_server_params_function
                               (<em class="parameter"><code><span class="type">gnutls_anon_server_credentials_t</span> res</code></em>,
                                <em class="parameter"><code><span class="type">gnutls_params_function</span> *func</code></em>);</pre>
<p>This function will set a callback in order for the server to get
the Diffie-Hellman parameters for anonymous authentication.  The
callback should return <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0) on success.</p>
<div class="refsect3">
<a name="id-1.2.4.6.22.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>res</p></td>
<td class="parameter_description"><p>is a gnutls_certificate_credentials_t type</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>func</p></td>
<td class="parameter_description"><p>is the function to be called</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-audit-log-func"></a><h3>gnutls_audit_log_func ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
<span class="c_punctuation">(</span>*gnutls_audit_log_func<span class="c_punctuation">)</span> (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> Param1</code></em>,
                          <em class="parameter"><code>const <span class="type">char</span> *Param2</code></em>);</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-bye"></a><h3>gnutls_bye ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_bye (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>,
            <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-close-request-t" title="enum gnutls_close_request_t"><span class="type">gnutls_close_request_t</span></a> how</code></em>);</pre>
<p>Terminates the current TLS/SSL connection. The connection should
have been initiated using <a class="link" href="gnutls-gnutls.html#gnutls-handshake" title="gnutls_handshake ()"><code class="function">gnutls_handshake()</code></a>.  <em class="parameter"><code>how</code></em>
 should be one
of <a class="link" href="gnutls-gnutls.html#GNUTLS-SHUT-RDWR:CAPS"><code class="literal">GNUTLS_SHUT_RDWR</code></a>, <a class="link" href="gnutls-gnutls.html#GNUTLS-SHUT-WR:CAPS"><code class="literal">GNUTLS_SHUT_WR</code></a>.</p>
<p>In case of <a class="link" href="gnutls-gnutls.html#GNUTLS-SHUT-RDWR:CAPS"><code class="literal">GNUTLS_SHUT_RDWR</code></a> the TLS session gets
terminated and further receives and sends will be disallowed.  If
the return value is zero you may continue using the underlying
transport layer. <a class="link" href="gnutls-gnutls.html#GNUTLS-SHUT-RDWR:CAPS"><code class="literal">GNUTLS_SHUT_RDWR</code></a> sends an alert containing a close
request and waits for the peer to reply with the same message.</p>
<p>In case of <a class="link" href="gnutls-gnutls.html#GNUTLS-SHUT-WR:CAPS"><code class="literal">GNUTLS_SHUT_WR</code></a> the TLS session gets terminated
and further sends will be disallowed. In order to reuse the
connection you should wait for an EOF from the peer.
<a class="link" href="gnutls-gnutls.html#GNUTLS-SHUT-WR:CAPS"><code class="literal">GNUTLS_SHUT_WR</code></a> sends an alert containing a close request.</p>
<p>Note that not all implementations will properly terminate a TLS
connection.  Some of them, usually for performance reasons, will
terminate only the underlying transport layer, and thus not
distinguishing between a malicious party prematurely terminating 
the connection and normal termination. </p>
<p>This function may also return <a class="link" href="gnutls-gnutls.html#GNUTLS-E-AGAIN:CAPS" title="GNUTLS_E_AGAIN"><code class="literal">GNUTLS_E_AGAIN</code></a> or
<a class="link" href="gnutls-gnutls.html#GNUTLS-E-INTERRUPTED:CAPS" title="GNUTLS_E_INTERRUPTED"><code class="literal">GNUTLS_E_INTERRUPTED</code></a>; cf.  <a class="link" href="gnutls-gnutls.html#gnutls-record-get-direction" title="gnutls_record_get_direction ()"><code class="function">gnutls_record_get_direction()</code></a>.</p>
<div class="refsect3">
<a name="id-1.2.4.6.24.9"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>how</p></td>
<td class="parameter_description"><p>is an integer</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.24.10"></a><h4>Returns</h4>
<p> <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> on success, or an error code, see
function documentation for entire semantics.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-calloc-function"></a><h3>gnutls_calloc_function ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> *
<span class="c_punctuation">(</span>*gnutls_calloc_function<span class="c_punctuation">)</span> (<em class="parameter"><code><span class="type">size_t</span> Param1</code></em>,
                           <em class="parameter"><code><span class="type">size_t</span> Param2</code></em>);</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-certificate-activation-time-peers"></a><h3>gnutls_certificate_activation_time_peers ()</h3>
<pre class="programlisting"><span class="returnvalue">time_t</span>
gnutls_certificate_activation_time_peers
                               (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>);</pre>
<div class="warning">
<p><code class="literal">gnutls_certificate_activation_time_peers</code> is deprecated and should not be used in newly-written code.</p>
<p>gnutls_certificate_verify_peers2() now verifies activation times.</p>
</div>
<p>This function will return the peer's certificate activation time.
This is the creation time for openpgp keys.</p>
<div class="refsect3">
<a name="id-1.2.4.6.26.6"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a gnutls session</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.26.7"></a><h4>Returns</h4>
<p> (time_t)-1 on error.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-certificate-allocate-credentials"></a><h3>gnutls_certificate_allocate_credentials ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_certificate_allocate_credentials
                               (<em class="parameter"><code><span class="type">gnutls_certificate_credentials_t</span> *res</code></em>);</pre>
<p>This structure is complex enough to manipulate directly thus this
helper function is provided in order to allocate it.</p>
<div class="refsect3">
<a name="id-1.2.4.6.27.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>res</p></td>
<td class="parameter_description"><p>is a pointer to a <span class="type">gnutls_certificate_credentials_t</span> type.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.27.6"></a><h4>Returns</h4>
<p> <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> on success, or an error code.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-certificate-client-get-request-status"></a><h3>gnutls_certificate_client_get_request_status ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_certificate_client_get_request_status
                               (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>);</pre>
<p>Get whether client certificate is requested or not.</p>
<div class="refsect3">
<a name="id-1.2.4.6.28.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a gnutls session</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.28.6"></a><h4>Returns</h4>
<p> 0 if the peer (server) did not request client
authentication or 1 otherwise.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-certificate-expiration-time-peers"></a><h3>gnutls_certificate_expiration_time_peers ()</h3>
<pre class="programlisting"><span class="returnvalue">time_t</span>
gnutls_certificate_expiration_time_peers
                               (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>);</pre>
<div class="warning">
<p><code class="literal">gnutls_certificate_expiration_time_peers</code> is deprecated and should not be used in newly-written code.</p>
<p>gnutls_certificate_verify_peers2() now verifies expiration times.</p>
</div>
<p>This function will return the peer's certificate expiration time.</p>
<div class="refsect3">
<a name="id-1.2.4.6.29.6"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a gnutls session</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.29.7"></a><h4>Returns</h4>
<p> (time_t)-1 on error.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-certificate-free-ca-names"></a><h3>gnutls_certificate_free_ca_names ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_certificate_free_ca_names (<em class="parameter"><code><span class="type">gnutls_certificate_credentials_t</span> sc</code></em>);</pre>
<p>This function will delete all the CA name in the given
credentials. Clients may call this to save some memory since in
client side the CA names are not used. Servers might want to use
this function if a large list of trusted CAs is present and
sending the names of it would just consume bandwidth without providing 
information to client.</p>
<p>CA names are used by servers to advertise the CAs they support to
clients.</p>
<div class="refsect3">
<a name="id-1.2.4.6.30.6"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>sc</p></td>
<td class="parameter_description"><p>is a <span class="type">gnutls_certificate_credentials_t</span> type.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-certificate-free-cas"></a><h3>gnutls_certificate_free_cas ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_certificate_free_cas (<em class="parameter"><code><span class="type">gnutls_certificate_credentials_t</span> sc</code></em>);</pre>
<p>This function will delete all the CAs associated with the given
credentials. Servers that do not use
<a class="link" href="gnutls-gnutls.html#gnutls-certificate-verify-peers2" title="gnutls_certificate_verify_peers2 ()"><code class="function">gnutls_certificate_verify_peers2()</code></a> may call this to save some
memory.</p>
<div class="refsect3">
<a name="id-1.2.4.6.31.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>sc</p></td>
<td class="parameter_description"><p>is a <span class="type">gnutls_certificate_credentials_t</span> type.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-certificate-free-credentials"></a><h3>gnutls_certificate_free_credentials ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_certificate_free_credentials (<em class="parameter"><code><span class="type">gnutls_certificate_credentials_t</span> sc</code></em>);</pre>
<p>This structure is complex enough to manipulate directly thus this
helper function is provided in order to free (deallocate) it.</p>
<p>This function does not free any temporary parameters associated
with this structure (ie RSA and DH parameters are not freed by this
function).</p>
<div class="refsect3">
<a name="id-1.2.4.6.32.6"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>sc</p></td>
<td class="parameter_description"><p>is a <span class="type">gnutls_certificate_credentials_t</span> type.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-certificate-free-crls"></a><h3>gnutls_certificate_free_crls ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_certificate_free_crls (<em class="parameter"><code><span class="type">gnutls_certificate_credentials_t</span> sc</code></em>);</pre>
<p>This function will delete all the CRLs associated
with the given credentials.</p>
<div class="refsect3">
<a name="id-1.2.4.6.33.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>sc</p></td>
<td class="parameter_description"><p>is a <span class="type">gnutls_certificate_credentials_t</span> type.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-certificate-free-keys"></a><h3>gnutls_certificate_free_keys ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_certificate_free_keys (<em class="parameter"><code><span class="type">gnutls_certificate_credentials_t</span> sc</code></em>);</pre>
<p>This function will delete all the keys and the certificates associated
with the given credentials. This function must not be called when a
TLS negotiation that uses the credentials is in progress.</p>
<div class="refsect3">
<a name="id-1.2.4.6.34.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>sc</p></td>
<td class="parameter_description"><p>is a <span class="type">gnutls_certificate_credentials_t</span> type.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-certificate-get-issuer"></a><h3>gnutls_certificate_get_issuer ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_certificate_get_issuer (<em class="parameter"><code><span class="type">gnutls_certificate_credentials_t</span> sc</code></em>,
                               <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-x509-crt-t" title="gnutls_x509_crt_t"><span class="type">gnutls_x509_crt_t</span></a> cert</code></em>,
                               <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-x509-crt-t" title="gnutls_x509_crt_t"><span class="type">gnutls_x509_crt_t</span></a> *issuer</code></em>,
                               <em class="parameter"><code>unsigned <span class="type">int</span> flags</code></em>);</pre>
<p>This function will return the issuer of a given certificate.
As with <a class="link" href="gnutls-x509.html#gnutls-x509-trust-list-get-issuer" title="gnutls_x509_trust_list_get_issuer ()"><code class="function">gnutls_x509_trust_list_get_issuer()</code></a> this function requires
the <code class="literal">GNUTLS_TL_GET_COPY</code> flag in order to operate with PKCS <span class="type">11</span> trust
lists. In that case the issuer must be freed using <a class="link" href="gnutls-x509.html#gnutls-x509-crt-deinit" title="gnutls_x509_crt_deinit ()"><code class="function">gnutls_x509_crt_deinit()</code></a>.</p>
<div class="refsect3">
<a name="id-1.2.4.6.35.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>sc</p></td>
<td class="parameter_description"><p>is a <span class="type">gnutls_certificate_credentials_t</span> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>cert</p></td>
<td class="parameter_description"><p>is the certificate to find issuer for</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>issuer</p></td>
<td class="parameter_description"><p>Will hold the issuer if any. Should be treated as constant.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>flags</p></td>
<td class="parameter_description"><p>Use zero or <code class="literal">GNUTLS_TL_GET_COPY</code></p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.35.6"></a><h4>Returns</h4>
<p> On success, <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0) is returned, otherwise a
negative error value.</p>
</div>
<p class="since">Since: 3.0</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-certificate-get-ours"></a><h3>gnutls_certificate_get_ours ()</h3>
<pre class="programlisting">const <span class="returnvalue">gnutls_datum_t</span> *
gnutls_certificate_get_ours (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>);</pre>
<p>Gets the certificate as sent to the peer in the last handshake.
The certificate is in raw (DER) format.  No certificate
list is being returned. Only the first certificate.</p>
<div class="refsect3">
<a name="id-1.2.4.6.36.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a gnutls session</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.36.6"></a><h4>Returns</h4>
<p> a pointer to a <span class="type">gnutls_datum_t</span> containing our
certificate, or <code class="literal">NULL</code> in case of an error or if no certificate
was used.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-certificate-get-peers"></a><h3>gnutls_certificate_get_peers ()</h3>
<pre class="programlisting">const <span class="returnvalue">gnutls_datum_t</span> *
gnutls_certificate_get_peers (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>,
                              <em class="parameter"><code>unsigned <span class="type">int</span> *list_size</code></em>);</pre>
<p>Get the peer's raw certificate (chain) as sent by the peer.  These
certificates are in raw format (DER encoded for X.509).  In case of
a X.509 then a certificate list may be present.  The first
certificate in the list is the peer's certificate, following the
issuer's certificate, then the issuer's issuer etc.</p>
<p>In case of OpenPGP keys a single key will be returned in raw
format.</p>
<div class="refsect3">
<a name="id-1.2.4.6.37.6"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a gnutls session</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>list_size</p></td>
<td class="parameter_description"><p>is the length of the certificate list (may be <code class="literal">NULL</code>)</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.37.7"></a><h4>Returns</h4>
<p> a pointer to a <span class="type">gnutls_datum_t</span> containing the peer's
certificates, or <code class="literal">NULL</code> in case of an error or if no certificate
was used.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-certificate-get-peers-subkey-id"></a><h3>gnutls_certificate_get_peers_subkey_id ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_certificate_get_peers_subkey_id
                               (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>,
                                <em class="parameter"><code><span class="type">gnutls_datum_t</span> *id</code></em>);</pre>
<p>Get the peer's subkey ID when OpenPGP certificates are
used. The returned <em class="parameter"><code>id</code></em>
 should be treated as constant.</p>
<div class="refsect3">
<a name="id-1.2.4.6.38.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a gnutls session</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>id</p></td>
<td class="parameter_description"><p>will contain the ID</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.38.6"></a><h4>Returns</h4>
<p> On success, <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0) is returned, otherwise
an error code is returned.</p>
</div>
<p class="since">Since: 3.1.3</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-certificate-send-x509-rdn-sequence"></a><h3>gnutls_certificate_send_x509_rdn_sequence ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_certificate_send_x509_rdn_sequence
                               (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>,
                                <em class="parameter"><code><span class="type">int</span> status</code></em>);</pre>
<p>If status is non zero, this function will order gnutls not to send
the rdnSequence in the certificate request message. That is the
server will not advertise its trusted CAs to the peer. If status
is zero then the default behaviour will take effect, which is to
advertise the server's trusted CAs.</p>
<p>This function has no effect in clients, and in authentication
methods other than certificate with X.509 certificates.</p>
<div class="refsect3">
<a name="id-1.2.4.6.39.6"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>status</p></td>
<td class="parameter_description"><p>is 0 or 1</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-certificate-server-set-request"></a><h3>gnutls_certificate_server_set_request ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_certificate_server_set_request (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>,
                                       <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-certificate-request-t" title="enum gnutls_certificate_request_t"><span class="type">gnutls_certificate_request_t</span></a> req</code></em>);</pre>
<p>This function specifies if we (in case of a server) are going to
send a certificate request message to the client. If <em class="parameter"><code>req</code></em>
 is
GNUTLS_CERT_REQUIRE then the server will return an error if the
peer does not provide a certificate. If you do not call this
function then the client will not be asked to send a certificate.</p>
<div class="refsect3">
<a name="id-1.2.4.6.40.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>req</p></td>
<td class="parameter_description"><p>is one of GNUTLS_CERT_REQUEST, GNUTLS_CERT_REQUIRE</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-certificate-set-dh-params"></a><h3>gnutls_certificate_set_dh_params ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_certificate_set_dh_params (<em class="parameter"><code><span class="type">gnutls_certificate_credentials_t</span> res</code></em>,
                                  <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-dh-params-t" title="gnutls_dh_params_t"><span class="type">gnutls_dh_params_t</span></a> dh_params</code></em>);</pre>
<p>This function will set the Diffie-Hellman parameters for a
certificate server to use. These parameters will be used in
Ephemeral Diffie-Hellman cipher suites.  Note that only a pointer
to the parameters are stored in the certificate handle, so you
must not deallocate the parameters before the certificate is deallocated.</p>
<div class="refsect3">
<a name="id-1.2.4.6.41.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>res</p></td>
<td class="parameter_description"><p>is a gnutls_certificate_credentials_t type</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>dh_params</p></td>
<td class="parameter_description"><p>the Diffie-Hellman parameters.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-certificate-set-ocsp-status-request-file"></a><h3>gnutls_certificate_set_ocsp_status_request_file ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_certificate_set_ocsp_status_request_file
                               (<em class="parameter"><code><span class="type">gnutls_certificate_credentials_t</span> res</code></em>,
                                <em class="parameter"><code>const <span class="type">char</span> *response_file</code></em>,
                                <em class="parameter"><code>unsigned <span class="type">int</span> flags</code></em>);</pre>
<p>This function sets the filename of an OCSP response, that will be
sent to the client if requests an OCSP certificate status. This is
a convenience function which is inefficient on busy servers since
the file is opened on every access. Use 
<a class="link" href="gnutls-gnutls.html#gnutls-certificate-set-ocsp-status-request-function" title="gnutls_certificate_set_ocsp_status_request_function ()"><code class="function">gnutls_certificate_set_ocsp_status_request_function()</code></a> to fine-tune
file accesses.</p>
<div class="refsect3">
<a name="id-1.2.4.6.42.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>response_file</p></td>
<td class="parameter_description"><p>a filename of the OCSP response</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>flags</p></td>
<td class="parameter_description"><p>should be zero</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.42.6"></a><h4>Returns</h4>
<p> On success, <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0) is returned,
otherwise a negative error code is returned.</p>
</div>
<p class="since">Since: 3.1.3</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-certificate-set-ocsp-status-request-function"></a><h3>gnutls_certificate_set_ocsp_status_request_function ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_certificate_set_ocsp_status_request_function
                               (<em class="parameter"><code><span class="type">gnutls_certificate_credentials_t</span> res</code></em>,
                                <em class="parameter"><code><span class="type">gnutls_status_request_ocsp_func</span> ocsp_func</code></em>,
                                <em class="parameter"><code><span class="type">void</span> *ptr</code></em>);</pre>
<p>This function is to be used by server to register a callback to
handle OCSP status requests from the client.  The callback will be
invoked if the client supplied a status-request OCSP extension.
The callback function prototype is:</p>
<p>typedef int (*gnutls_status_request_ocsp_func)
   (gnutls_session_t session, void *ptr, gnutls_datum_t *ocsp_response);</p>
<p>The callback will be invoked if the client requests an OCSP certificate
status.  The callback may return <a class="link" href="gnutls-gnutls.html#GNUTLS-E-NO-CERTIFICATE-STATUS:CAPS" title="GNUTLS_E_NO_CERTIFICATE_STATUS"><code class="literal">GNUTLS_E_NO_CERTIFICATE_STATUS</code></a>, if
there is no recent OCSP response. If the callback returns <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a>,
the server will provide the client with the ocsp_response.</p>
<p>The response must be a value allocated using <a href="/usr/share/gtk-doc/html/gnutls/gnutls-gnutls.html#gnutls-malloc"><code class="function">gnutls_malloc()</code></a>, and will be
deinitialized when needed.</p>
<div class="refsect3">
<a name="id-1.2.4.6.43.8"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>ocsp_func</p></td>
<td class="parameter_description"><p>function pointer to OCSP status request callback.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>ptr</p></td>
<td class="parameter_description"><p>opaque pointer passed to callback function</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: 3.1.3</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-certificate-set-params-function"></a><h3>gnutls_certificate_set_params_function ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_certificate_set_params_function
                               (<em class="parameter"><code><span class="type">gnutls_certificate_credentials_t</span> res</code></em>,
                                <em class="parameter"><code><span class="type">gnutls_params_function</span> *func</code></em>);</pre>
<p>This function will set a callback in order for the server to get
the Diffie-Hellman or RSA parameters for certificate
authentication.  The callback should return <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0) on success.</p>
<div class="refsect3">
<a name="id-1.2.4.6.44.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>res</p></td>
<td class="parameter_description"><p>is a gnutls_certificate_credentials_t type</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>func</p></td>
<td class="parameter_description"><p>is the function to be called</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-certificate-set-pin-function"></a><h3>gnutls_certificate_set_pin_function ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_certificate_set_pin_function (<em class="parameter"><code><span class="type">gnutls_certificate_credentials_t</span> Param1</code></em>,
                                     <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-pin-callback-t" title="gnutls_pin_callback_t ()"><span class="type">gnutls_pin_callback_t</span></a> fn</code></em>,
                                     <em class="parameter"><code><span class="type">void</span> *userdata</code></em>);</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-certificate-set-retrieve-function"></a><h3>gnutls_certificate_set_retrieve_function ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_certificate_set_retrieve_function
                               (<em class="parameter"><code><span class="type">gnutls_certificate_credentials_t</span> cred</code></em>,
                                <em class="parameter"><code><span class="type">gnutls_certificate_retrieve_function</span> *func</code></em>);</pre>
<p>This function sets a callback to be called in order to retrieve the
certificate to be used in the handshake. The callback will take control
only if a certificate is requested by the peer. You are advised
to use <a class="link" href="gnutls-abstract.html#gnutls-certificate-set-retrieve-function2" title="gnutls_certificate_set_retrieve_function2 ()"><code class="function">gnutls_certificate_set_retrieve_function2()</code></a> because it
is much more efficient in the processing it requires from gnutls.</p>
<p>The callback's function prototype is:
int (*callback)(gnutls_session_t, const gnutls_datum_t* req_ca_dn, int nreqs,
const gnutls_pk_algorithm_t* pk_algos, int pk_algos_length, gnutls_retr2_st* st);</p>
<p><em class="parameter"><code>req_ca_dn</code></em>
 is only used in X.509 certificates.
Contains a list with the CA names that the server considers trusted.
This is a hint and typically the client should send a certificate that is signed
by one of these CAs. These names, when available, are DER encoded. To get a more
meaningful value use the function <a class="link" href="gnutls-x509.html#gnutls-x509-rdn-get" title="gnutls_x509_rdn_get ()"><code class="function">gnutls_x509_rdn_get()</code></a>.</p>
<p><em class="parameter"><code>pk_algos</code></em>
 contains a list with server's acceptable signature algorithms.
The certificate returned should support the server's given algorithms.</p>
<p><em class="parameter"><code>st</code></em>
 should contain the certificates and private keys.</p>
<p>If the callback function is provided then gnutls will call it, in the
handshake, after the certificate request message has been received.</p>
<p>In server side pk_algos and req_ca_dn are NULL.</p>
<p>The callback function should set the certificate list to be sent,
and return 0 on success. If no certificate was selected then the
number of certificates should be set to zero. The value (-1)
indicates error and the handshake will be terminated. If both certificates
are set in the credentials and a callback is available, the callback
takes predence.</p>
<div class="refsect3">
<a name="id-1.2.4.6.46.12"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>cred</p></td>
<td class="parameter_description"><p>is a <span class="type">gnutls_certificate_credentials_t</span> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>func</p></td>
<td class="parameter_description"><p>is the callback function</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: 3.0</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-certificate-set-verify-flags"></a><h3>gnutls_certificate_set_verify_flags ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_certificate_set_verify_flags (<em class="parameter"><code><span class="type">gnutls_certificate_credentials_t</span> res</code></em>,
                                     <em class="parameter"><code>unsigned <span class="type">int</span> flags</code></em>);</pre>
<p>This function will set the flags to be used for verification 
of certificates and override any defaults.  The provided flags must be an OR of the
<a class="link" href="gnutls-x509.html#gnutls-certificate-verify-flags" title="enum gnutls_certificate_verify_flags"><span class="type">gnutls_certificate_verify_flags</span></a> enumerations.</p>
<div class="refsect3">
<a name="id-1.2.4.6.47.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>res</p></td>
<td class="parameter_description"><p>is a gnutls_certificate_credentials_t type</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>flags</p></td>
<td class="parameter_description"><p>are the flags</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-certificate-set-verify-function"></a><h3>gnutls_certificate_set_verify_function ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_certificate_set_verify_function
                               (<em class="parameter"><code><span class="type">gnutls_certificate_credentials_t</span> cred</code></em>,
                                <em class="parameter"><code><span class="type">gnutls_certificate_verify_function</span> *func</code></em>);</pre>
<p>This function sets a callback to be called when peer's certificate
has been received in order to verify it on receipt rather than
doing after the handshake is completed.</p>
<p>The callback's function prototype is:
int (*callback)(gnutls_session_t);</p>
<p>If the callback function is provided then gnutls will call it, in the
handshake, just after the certificate message has been received.
To verify or obtain the certificate the <a class="link" href="gnutls-gnutls.html#gnutls-certificate-verify-peers2" title="gnutls_certificate_verify_peers2 ()"><code class="function">gnutls_certificate_verify_peers2()</code></a>,
<a class="link" href="gnutls-gnutls.html#gnutls-certificate-type-get" title="gnutls_certificate_type_get ()"><code class="function">gnutls_certificate_type_get()</code></a>, <a class="link" href="gnutls-gnutls.html#gnutls-certificate-get-peers" title="gnutls_certificate_get_peers ()"><code class="function">gnutls_certificate_get_peers()</code></a> functions
can be used.</p>
<p>The callback function should return 0 for the handshake to continue
or non-zero to terminate.</p>
<div class="refsect3">
<a name="id-1.2.4.6.48.8"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>cred</p></td>
<td class="parameter_description"><p>is a <span class="type">gnutls_certificate_credentials_t</span> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>func</p></td>
<td class="parameter_description"><p>is the callback function</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: 2.10.0</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-certificate-set-verify-limits"></a><h3>gnutls_certificate_set_verify_limits ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_certificate_set_verify_limits (<em class="parameter"><code><span class="type">gnutls_certificate_credentials_t</span> res</code></em>,
                                      <em class="parameter"><code>unsigned <span class="type">int</span> max_bits</code></em>,
                                      <em class="parameter"><code>unsigned <span class="type">int</span> max_depth</code></em>);</pre>
<p>This function will set some upper limits for the default
verification function, <a class="link" href="gnutls-gnutls.html#gnutls-certificate-verify-peers2" title="gnutls_certificate_verify_peers2 ()"><code class="function">gnutls_certificate_verify_peers2()</code></a>, to avoid
denial of service attacks.  You can set them to zero to disable
limits.</p>
<div class="refsect3">
<a name="id-1.2.4.6.49.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>res</p></td>
<td class="parameter_description"><p>is a gnutls_certificate_credentials type</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>max_bits</p></td>
<td class="parameter_description"><p>is the number of bits of an acceptable certificate (default 8200)</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>max_depth</p></td>
<td class="parameter_description"><p>is maximum depth of the verification of a certificate chain (default 5)</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-certificate-set-x509-crl"></a><h3>gnutls_certificate_set_x509_crl ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_certificate_set_x509_crl (<em class="parameter"><code><span class="type">gnutls_certificate_credentials_t</span> res</code></em>,
                                 <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-x509-crl-t" title="gnutls_x509_crl_t"><span class="type">gnutls_x509_crl_t</span></a> *crl_list</code></em>,
                                 <em class="parameter"><code><span class="type">int</span> crl_list_size</code></em>);</pre>
<p>This function adds the trusted CRLs in order to verify client or
server certificates.  In case of a client this is not required to
be called if the certificates are not verified using
<a class="link" href="gnutls-gnutls.html#gnutls-certificate-verify-peers2" title="gnutls_certificate_verify_peers2 ()"><code class="function">gnutls_certificate_verify_peers2()</code></a>.  This function may be called
multiple times.</p>
<div class="refsect3">
<a name="id-1.2.4.6.50.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>res</p></td>
<td class="parameter_description"><p>is a <span class="type">gnutls_certificate_credentials_t</span> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>crl_list</p></td>
<td class="parameter_description"><p>is a list of trusted CRLs. They should have been verified before.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>crl_list_size</p></td>
<td class="parameter_description"><p>holds the size of the crl_list</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.50.6"></a><h4>Returns</h4>
<p> number of CRLs processed, or a negative error code on error.</p>
</div>
<p class="since">Since: 2.4.0</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-certificate-set-x509-crl-file"></a><h3>gnutls_certificate_set_x509_crl_file ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_certificate_set_x509_crl_file (<em class="parameter"><code><span class="type">gnutls_certificate_credentials_t</span> res</code></em>,
                                      <em class="parameter"><code>const <span class="type">char</span> *crlfile</code></em>,
                                      <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-x509-crt-fmt-t" title="enum gnutls_x509_crt_fmt_t"><span class="type">gnutls_x509_crt_fmt_t</span></a> type</code></em>);</pre>
<p>This function adds the trusted CRLs in order to verify client or server
certificates.  In case of a client this is not required
to be called if the certificates are not verified using
<a class="link" href="gnutls-gnutls.html#gnutls-certificate-verify-peers2" title="gnutls_certificate_verify_peers2 ()"><code class="function">gnutls_certificate_verify_peers2()</code></a>.
This function may be called multiple times.</p>
<div class="refsect3">
<a name="id-1.2.4.6.51.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>res</p></td>
<td class="parameter_description"><p>is a <span class="type">gnutls_certificate_credentials_t</span> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>crlfile</p></td>
<td class="parameter_description"><p>is a file containing the list of verified CRLs (DER or PEM list)</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>type</p></td>
<td class="parameter_description"><p>is PEM or DER</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.51.6"></a><h4>Returns</h4>
<p> number of CRLs processed or a negative error code on error.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-certificate-set-x509-crl-mem"></a><h3>gnutls_certificate_set_x509_crl_mem ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_certificate_set_x509_crl_mem (<em class="parameter"><code><span class="type">gnutls_certificate_credentials_t</span> res</code></em>,
                                     <em class="parameter"><code>const <span class="type">gnutls_datum_t</span> *CRL</code></em>,
                                     <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-x509-crt-fmt-t" title="enum gnutls_x509_crt_fmt_t"><span class="type">gnutls_x509_crt_fmt_t</span></a> type</code></em>);</pre>
<p>This function adds the trusted CRLs in order to verify client or
server certificates.  In case of a client this is not required to
be called if the certificates are not verified using
<a class="link" href="gnutls-gnutls.html#gnutls-certificate-verify-peers2" title="gnutls_certificate_verify_peers2 ()"><code class="function">gnutls_certificate_verify_peers2()</code></a>.  This function may be called
multiple times.</p>
<div class="refsect3">
<a name="id-1.2.4.6.52.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>res</p></td>
<td class="parameter_description"><p>is a <span class="type">gnutls_certificate_credentials_t</span> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>CRL</p></td>
<td class="parameter_description"><p>is a list of trusted CRLs. They should have been verified before.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>type</p></td>
<td class="parameter_description"><p>is DER or PEM</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.52.6"></a><h4>Returns</h4>
<p> number of CRLs processed, or a negative error code on error.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-certificate-set-x509-key"></a><h3>gnutls_certificate_set_x509_key ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_certificate_set_x509_key (<em class="parameter"><code><span class="type">gnutls_certificate_credentials_t</span> res</code></em>,
                                 <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-x509-crt-t" title="gnutls_x509_crt_t"><span class="type">gnutls_x509_crt_t</span></a> *cert_list</code></em>,
                                 <em class="parameter"><code><span class="type">int</span> cert_list_size</code></em>,
                                 <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-x509-privkey-t" title="gnutls_x509_privkey_t"><span class="type">gnutls_x509_privkey_t</span></a> key</code></em>);</pre>
<p>This function sets a certificate/private key pair in the
gnutls_certificate_credentials_t type.  This function may be
called more than once, in case multiple keys/certificates exist for
the server.  For clients that wants to send more than their own end
entity certificate (e.g., also an intermediate CA cert) then put
the certificate chain in <em class="parameter"><code>cert_list</code></em>
.</p>
<p>Note that the certificates and keys provided, can be safely deinitialized
after this function is called.</p>
<p>If that function fails to load the <em class="parameter"><code>res</code></em>
 type is at an undefined state, it must
not be reused to load other keys or certificates.</p>
<div class="refsect3">
<a name="id-1.2.4.6.53.7"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>res</p></td>
<td class="parameter_description"><p>is a <span class="type">gnutls_certificate_credentials_t</span> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>cert_list</p></td>
<td class="parameter_description"><p>contains a certificate list (path) for the specified private key</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>cert_list_size</p></td>
<td class="parameter_description"><p>holds the size of the certificate list</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>key</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-x509-privkey-t" title="gnutls_x509_privkey_t"><span class="type">gnutls_x509_privkey_t</span></a> key</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.53.8"></a><h4>Returns</h4>
<p> <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0) on success, or a negative error code.</p>
</div>
<p class="since">Since: 2.4.0</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-certificate-set-x509-key-file"></a><h3>gnutls_certificate_set_x509_key_file ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_certificate_set_x509_key_file (<em class="parameter"><code><span class="type">gnutls_certificate_credentials_t</span> res</code></em>,
                                      <em class="parameter"><code>const <span class="type">char</span> *certfile</code></em>,
                                      <em class="parameter"><code>const <span class="type">char</span> *keyfile</code></em>,
                                      <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-x509-crt-fmt-t" title="enum gnutls_x509_crt_fmt_t"><span class="type">gnutls_x509_crt_fmt_t</span></a> type</code></em>);</pre>
<p>This function sets a certificate/private key pair in the
gnutls_certificate_credentials_t type.  This function may be
called more than once, in case multiple keys/certificates exist for
the server.  For clients that need to send more than its own end
entity certificate, e.g., also an intermediate CA cert, then the
<em class="parameter"><code>certfile</code></em>
 must contain the ordered certificate chain.</p>
<p>Note that the names in the certificate provided will be considered
when selecting the appropriate certificate to use (in case of multiple
certificate/key pairs).</p>
<p>This function can also accept URLs at <em class="parameter"><code>keyfile</code></em>
 and <em class="parameter"><code>certfile</code></em>
. In that case it
will use the private key and certificate indicated by the URLs. Note
that the supported URLs are the ones indicated by <a class="link" href="gnutls-gnutls.html#gnutls-url-is-supported" title="gnutls_url_is_supported ()"><code class="function">gnutls_url_is_supported()</code></a>.</p>
<p>In case the <em class="parameter"><code>certfile</code></em>
 is provided as a PKCS <span class="type">11</span> URL, then the certificate, and its
present issuers in the token are imported (i.e., forming the required trust chain).</p>
<p>If that function fails to load the <em class="parameter"><code>res</code></em>
 structure is at an undefined state, it must
not be reused to load other keys or certificates.</p>
<div class="refsect3">
<a name="id-1.2.4.6.54.9"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>res</p></td>
<td class="parameter_description"><p>is a <span class="type">gnutls_certificate_credentials_t</span> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>certfile</p></td>
<td class="parameter_description"><p>is a file that containing the certificate list (path) for
the specified private key, in PKCS7 format, or a list of certificates</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>keyfile</p></td>
<td class="parameter_description"><p>is a file that contains the private key</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>type</p></td>
<td class="parameter_description"><p>is PEM or DER</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.54.10"></a><h4>Returns</h4>
<p> <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0) on success, or a negative error code.</p>
</div>
<p class="since">Since: 3.1.11</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-certificate-set-x509-key-mem"></a><h3>gnutls_certificate_set_x509_key_mem ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_certificate_set_x509_key_mem (<em class="parameter"><code><span class="type">gnutls_certificate_credentials_t</span> res</code></em>,
                                     <em class="parameter"><code>const <span class="type">gnutls_datum_t</span> *cert</code></em>,
                                     <em class="parameter"><code>const <span class="type">gnutls_datum_t</span> *key</code></em>,
                                     <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-x509-crt-fmt-t" title="enum gnutls_x509_crt_fmt_t"><span class="type">gnutls_x509_crt_fmt_t</span></a> type</code></em>);</pre>
<p>This function sets a certificate/private key pair in the
gnutls_certificate_credentials_t type. This function may be called
more than once, in case multiple keys/certificates exist for the
server.</p>
<p>Note that the keyUsage (2.5.29.15) PKIX extension in X.509 certificates
is supported. This means that certificates intended for signing cannot
be used for ciphersuites that require encryption.</p>
<p>If the certificate and the private key are given in PEM encoding
then the strings that hold their values must be null terminated.</p>
<p>The <em class="parameter"><code>key</code></em>
 may be <code class="literal">NULL</code> if you are using a sign callback, see
<code class="function">gnutls_sign_callback_set()</code>.</p>
<div class="refsect3">
<a name="id-1.2.4.6.55.8"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>res</p></td>
<td class="parameter_description"><p>is a <span class="type">gnutls_certificate_credentials_t</span> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>cert</p></td>
<td class="parameter_description"><p>contains a certificate list (path) for the specified private key</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>key</p></td>
<td class="parameter_description"><p>is the private key, or <code class="literal">NULL</code></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>type</p></td>
<td class="parameter_description"><p>is PEM or DER</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.55.9"></a><h4>Returns</h4>
<p> <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0) on success, or a negative error code.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-certificate-set-x509-simple-pkcs12-file"></a><h3>gnutls_certificate_set_x509_simple_pkcs12_file ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_certificate_set_x509_simple_pkcs12_file
                               (<em class="parameter"><code><span class="type">gnutls_certificate_credentials_t</span> res</code></em>,
                                <em class="parameter"><code>const <span class="type">char</span> *pkcs12file</code></em>,
                                <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-x509-crt-fmt-t" title="enum gnutls_x509_crt_fmt_t"><span class="type">gnutls_x509_crt_fmt_t</span></a> type</code></em>,
                                <em class="parameter"><code>const <span class="type">char</span> *password</code></em>);</pre>
<p>This function sets a certificate/private key pair and/or a CRL in
the gnutls_certificate_credentials_t type.  This function may
be called more than once (in case multiple keys/certificates exist
for the server).</p>
<p>PKCS<span class="type">12</span> files with a MAC, encrypted bags and PKCS #8
private keys are supported. However,
only password based security, and the same password for all
operations, are supported.</p>
<p>PKCS<span class="type">12</span> file may contain many keys and/or certificates, and this
function will try to auto-detect based on the key ID the certificate
and key pair to use. If the PKCS<span class="type">12</span> file contain the issuer of
the selected certificate, it will be appended to the certificate
to form a chain.</p>
<p>If more than one private keys are stored in the PKCS<span class="type">12</span> file,
then only one key will be read (and it is undefined which one).</p>
<p>It is believed that the limitations of this function is acceptable
for most usage, and that any more flexibility would introduce
complexity that would make it harder to use this functionality at
all.</p>
<div class="refsect3">
<a name="id-1.2.4.6.56.9"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>res</p></td>
<td class="parameter_description"><p>is a <span class="type">gnutls_certificate_credentials_t</span> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>pkcs12file</p></td>
<td class="parameter_description"><p>filename of file containing PKCS<span class="type">12</span> blob.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>type</p></td>
<td class="parameter_description"><p>is PEM or DER of the <em class="parameter"><code>pkcs12file</code></em>
.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>password</p></td>
<td class="parameter_description"><p>optional password used to decrypt PKCS<span class="type">12</span> file, bags and keys.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.56.10"></a><h4>Returns</h4>
<p> <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0) on success, or a negative error code.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-certificate-set-x509-simple-pkcs12-mem"></a><h3>gnutls_certificate_set_x509_simple_pkcs12_mem ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_certificate_set_x509_simple_pkcs12_mem
                               (<em class="parameter"><code><span class="type">gnutls_certificate_credentials_t</span> res</code></em>,
                                <em class="parameter"><code>const <span class="type">gnutls_datum_t</span> *p12blob</code></em>,
                                <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-x509-crt-fmt-t" title="enum gnutls_x509_crt_fmt_t"><span class="type">gnutls_x509_crt_fmt_t</span></a> type</code></em>,
                                <em class="parameter"><code>const <span class="type">char</span> *password</code></em>);</pre>
<p>This function sets a certificate/private key pair and/or a CRL in
the gnutls_certificate_credentials_t type.  This function may
be called more than once (in case multiple keys/certificates exist
for the server).</p>
<p>Encrypted PKCS<span class="type">12</span> bags and PKCS#8 private keys are supported.  However,
only password based security, and the same password for all
operations, are supported.</p>
<p>PKCS<span class="type">12</span> file may contain many keys and/or certificates, and this
function will try to auto-detect based on the key ID the certificate
and key pair to use. If the PKCS<span class="type">12</span> file contain the issuer of
the selected certificate, it will be appended to the certificate
to form a chain.</p>
<p>If more than one private keys are stored in the PKCS<span class="type">12</span> file,
then only one key will be read (and it is undefined which one).</p>
<p>It is believed that the limitations of this function is acceptable
for most usage, and that any more flexibility would introduce
complexity that would make it harder to use this functionality at
all.</p>
<div class="refsect3">
<a name="id-1.2.4.6.57.9"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>res</p></td>
<td class="parameter_description"><p>is a <span class="type">gnutls_certificate_credentials_t</span> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>p12blob</p></td>
<td class="parameter_description"><p>the PKCS<span class="type">12</span> blob.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>type</p></td>
<td class="parameter_description"><p>is PEM or DER of the <em class="parameter"><code>pkcs12file</code></em>
.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>password</p></td>
<td class="parameter_description"><p>optional password used to decrypt PKCS<span class="type">12</span> file, bags and keys.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.57.10"></a><h4>Returns</h4>
<p> <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0) on success, or a negative error code.</p>
</div>
<p class="since">Since: 2.8.0</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-certificate-set-x509-system-trust"></a><h3>gnutls_certificate_set_x509_system_trust ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_certificate_set_x509_system_trust
                               (<em class="parameter"><code><span class="type">gnutls_certificate_credentials_t</span> cred</code></em>);</pre>
<p>This function adds the system's default trusted CAs in order to
verify client or server certificates.</p>
<p>In the case the system is currently unsupported <a class="link" href="gnutls-gnutls.html#GNUTLS-E-UNIMPLEMENTED-FEATURE:CAPS" title="GNUTLS_E_UNIMPLEMENTED_FEATURE"><code class="literal">GNUTLS_E_UNIMPLEMENTED_FEATURE</code></a>
is returned.</p>
<div class="refsect3">
<a name="id-1.2.4.6.58.6"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>cred</p></td>
<td class="parameter_description"><p>is a <span class="type">gnutls_certificate_credentials_t</span> type.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.58.7"></a><h4>Returns</h4>
<p> the number of certificates processed or a negative error code
on error.</p>
</div>
<p class="since">Since: 3.0.20</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-certificate-set-x509-trust"></a><h3>gnutls_certificate_set_x509_trust ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_certificate_set_x509_trust (<em class="parameter"><code><span class="type">gnutls_certificate_credentials_t</span> res</code></em>,
                                   <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-x509-crt-t" title="gnutls_x509_crt_t"><span class="type">gnutls_x509_crt_t</span></a> *ca_list</code></em>,
                                   <em class="parameter"><code><span class="type">int</span> ca_list_size</code></em>);</pre>
<p>This function adds the trusted CAs in order to verify client
or server certificates. In case of a client this is not required
to be called if the certificates are not verified using
<a class="link" href="gnutls-gnutls.html#gnutls-certificate-verify-peers2" title="gnutls_certificate_verify_peers2 ()"><code class="function">gnutls_certificate_verify_peers2()</code></a>.
This function may be called multiple times.</p>
<p>In case of a server the CAs set here will be sent to the client if
a certificate request is sent. This can be disabled using
<a class="link" href="gnutls-gnutls.html#gnutls-certificate-send-x509-rdn-sequence" title="gnutls_certificate_send_x509_rdn_sequence ()"><code class="function">gnutls_certificate_send_x509_rdn_sequence()</code></a>.</p>
<div class="refsect3">
<a name="id-1.2.4.6.59.6"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>res</p></td>
<td class="parameter_description"><p>is a <span class="type">gnutls_certificate_credentials_t</span> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>ca_list</p></td>
<td class="parameter_description"><p>is a list of trusted CAs</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>ca_list_size</p></td>
<td class="parameter_description"><p>holds the size of the CA list</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.59.7"></a><h4>Returns</h4>
<p> the number of certificates processed or a negative error code
on error.</p>
</div>
<p class="since">Since: 2.4.0</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-certificate-set-x509-trust-file"></a><h3>gnutls_certificate_set_x509_trust_file ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_certificate_set_x509_trust_file
                               (<em class="parameter"><code><span class="type">gnutls_certificate_credentials_t</span> cred</code></em>,
                                <em class="parameter"><code>const <span class="type">char</span> *cafile</code></em>,
                                <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-x509-crt-fmt-t" title="enum gnutls_x509_crt_fmt_t"><span class="type">gnutls_x509_crt_fmt_t</span></a> type</code></em>);</pre>
<p>This function adds the trusted CAs in order to verify client or
server certificates. In case of a client this is not required to
be called if the certificates are not verified using
<a class="link" href="gnutls-gnutls.html#gnutls-certificate-verify-peers2" title="gnutls_certificate_verify_peers2 ()"><code class="function">gnutls_certificate_verify_peers2()</code></a>.  This function may be called
multiple times.</p>
<p>In case of a server the names of the CAs set here will be sent to
the client if a certificate request is sent. This can be disabled
using <a class="link" href="gnutls-gnutls.html#gnutls-certificate-send-x509-rdn-sequence" title="gnutls_certificate_send_x509_rdn_sequence ()"><code class="function">gnutls_certificate_send_x509_rdn_sequence()</code></a>.</p>
<p>This function can also accept URLs. In that case it
will import all certificates that are marked as trusted. Note
that the supported URLs are the ones indicated by <a class="link" href="gnutls-gnutls.html#gnutls-url-is-supported" title="gnutls_url_is_supported ()"><code class="function">gnutls_url_is_supported()</code></a>.</p>
<div class="refsect3">
<a name="id-1.2.4.6.60.7"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>cred</p></td>
<td class="parameter_description"><p>is a <span class="type">gnutls_certificate_credentials_t</span> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>cafile</p></td>
<td class="parameter_description"><p>is a file containing the list of trusted CAs (DER or PEM list)</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>type</p></td>
<td class="parameter_description"><p>is PEM or DER</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.60.8"></a><h4>Returns</h4>
<p> the number of certificates processed</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-certificate-set-x509-trust-mem"></a><h3>gnutls_certificate_set_x509_trust_mem ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_certificate_set_x509_trust_mem (<em class="parameter"><code><span class="type">gnutls_certificate_credentials_t</span> res</code></em>,
                                       <em class="parameter"><code>const <span class="type">gnutls_datum_t</span> *ca</code></em>,
                                       <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-x509-crt-fmt-t" title="enum gnutls_x509_crt_fmt_t"><span class="type">gnutls_x509_crt_fmt_t</span></a> type</code></em>);</pre>
<p>This function adds the trusted CAs in order to verify client or
server certificates. In case of a client this is not required to be
called if the certificates are not verified using
<a class="link" href="gnutls-gnutls.html#gnutls-certificate-verify-peers2" title="gnutls_certificate_verify_peers2 ()"><code class="function">gnutls_certificate_verify_peers2()</code></a>.  This function may be called
multiple times.</p>
<p>In case of a server the CAs set here will be sent to the client if
a certificate request is sent. This can be disabled using
<a class="link" href="gnutls-gnutls.html#gnutls-certificate-send-x509-rdn-sequence" title="gnutls_certificate_send_x509_rdn_sequence ()"><code class="function">gnutls_certificate_send_x509_rdn_sequence()</code></a>.</p>
<div class="refsect3">
<a name="id-1.2.4.6.61.6"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>res</p></td>
<td class="parameter_description"><p>is a <span class="type">gnutls_certificate_credentials_t</span> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>ca</p></td>
<td class="parameter_description"><p>is a list of trusted CAs or a DER certificate</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>type</p></td>
<td class="parameter_description"><p>is DER or PEM</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.61.7"></a><h4>Returns</h4>
<p> the number of certificates processed or a negative error code
on error.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-certificate-type-get"></a><h3>gnutls_certificate_type_get ()</h3>
<pre class="programlisting"><a class="link" href="gnutls-gnutls.html#gnutls-certificate-type-t" title="enum gnutls_certificate_type_t"><span class="returnvalue">gnutls_certificate_type_t</span></a>
gnutls_certificate_type_get (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>);</pre>
<p>The certificate type is by default X.509, unless it is negotiated
as a TLS extension.</p>
<div class="refsect3">
<a name="id-1.2.4.6.62.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.62.6"></a><h4>Returns</h4>
<p> the currently used <a class="link" href="gnutls-gnutls.html#gnutls-certificate-type-t" title="enum gnutls_certificate_type_t"><span class="type">gnutls_certificate_type_t</span></a> certificate
type.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-certificate-type-get-id"></a><h3>gnutls_certificate_type_get_id ()</h3>
<pre class="programlisting"><a class="link" href="gnutls-gnutls.html#gnutls-certificate-type-t" title="enum gnutls_certificate_type_t"><span class="returnvalue">gnutls_certificate_type_t</span></a>
gnutls_certificate_type_get_id (<em class="parameter"><code>const <span class="type">char</span> *name</code></em>);</pre>
<p>The names are compared in a case insensitive way.</p>
<div class="refsect3">
<a name="id-1.2.4.6.63.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>name</p></td>
<td class="parameter_description"><p>is a certificate type name</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.63.6"></a><h4>Returns</h4>
<p> a <a class="link" href="gnutls-gnutls.html#gnutls-certificate-type-t" title="enum gnutls_certificate_type_t"><span class="type">gnutls_certificate_type_t</span></a> for the specified in a
string certificate type, or <a class="link" href="gnutls-gnutls.html#GNUTLS-CRT-UNKNOWN:CAPS"><code class="literal">GNUTLS_CRT_UNKNOWN</code></a> on error.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-certificate-type-get-name"></a><h3>gnutls_certificate_type_get_name ()</h3>
<pre class="programlisting">const <span class="returnvalue">char</span> *
gnutls_certificate_type_get_name (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-certificate-type-t" title="enum gnutls_certificate_type_t"><span class="type">gnutls_certificate_type_t</span></a> type</code></em>);</pre>
<p>Convert a <a class="link" href="gnutls-gnutls.html#gnutls-certificate-type-t" title="enum gnutls_certificate_type_t"><span class="type">gnutls_certificate_type_t</span></a> type to a string.</p>
<div class="refsect3">
<a name="id-1.2.4.6.64.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>type</p></td>
<td class="parameter_description"><p>is a certificate type</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.64.6"></a><h4>Returns</h4>
<p> a string that contains the name of the specified
certificate type, or <code class="literal">NULL</code> in case of unknown types.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-certificate-type-list"></a><h3>gnutls_certificate_type_list ()</h3>
<pre class="programlisting">const <a class="link" href="gnutls-gnutls.html#gnutls-certificate-type-t" title="enum gnutls_certificate_type_t"><span class="returnvalue">gnutls_certificate_type_t</span></a> *
gnutls_certificate_type_list (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>Get a list of certificate types.</p>
<div class="refsect3">
<a name="id-1.2.4.6.65.5"></a><h4>Returns</h4>
<p> a (0)-terminated list of <a class="link" href="gnutls-gnutls.html#gnutls-certificate-type-t" title="enum gnutls_certificate_type_t"><span class="type">gnutls_certificate_type_t</span></a>
integers indicating the available certificate types.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-certificate-verification-status-print"></a><h3>gnutls_certificate_verification_status_print ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_certificate_verification_status_print
                               (<em class="parameter"><code>unsigned <span class="type">int</span> status</code></em>,
                                <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-certificate-type-t" title="enum gnutls_certificate_type_t"><span class="type">gnutls_certificate_type_t</span></a> type</code></em>,
                                <em class="parameter"><code><span class="type">gnutls_datum_t</span> *out</code></em>,
                                <em class="parameter"><code>unsigned <span class="type">int</span> flags</code></em>);</pre>
<p>This function will pretty print the status of a verification
process -- eg. the one obtained by <a class="link" href="gnutls-gnutls.html#gnutls-certificate-verify-peers3" title="gnutls_certificate_verify_peers3 ()"><code class="function">gnutls_certificate_verify_peers3()</code></a>.</p>
<p>The output <em class="parameter"><code>out</code></em>
 needs to be deallocated using <a href="/usr/share/gtk-doc/html/gnutls/gnutls-gnutls.html#gnutls-free"><code class="function">gnutls_free()</code></a>.</p>
<div class="refsect3">
<a name="id-1.2.4.6.66.6"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>status</p></td>
<td class="parameter_description"><p>The status flags to be printed</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>type</p></td>
<td class="parameter_description"><p>The certificate type</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>out</p></td>
<td class="parameter_description"><p>Newly allocated datum with (0) terminated string.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>flags</p></td>
<td class="parameter_description"><p>should be zero</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.66.7"></a><h4>Returns</h4>
<p> On success, <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0) is returned, otherwise a
negative error value.</p>
</div>
<p class="since">Since: 3.1.4</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-certificate-verify-peers2"></a><h3>gnutls_certificate_verify_peers2 ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_certificate_verify_peers2 (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>,
                                  <em class="parameter"><code>unsigned <span class="type">int</span> *status</code></em>);</pre>
<p>This function will verify the peer's certificate and store
the status in the <em class="parameter"><code>status</code></em>
 variable as a bitwise or'd gnutls_certificate_status_t
values or zero if the certificate is trusted. Note that value in <em class="parameter"><code>status</code></em>

is set only when the return value of this function is success (i.e, failure 
to trust a certificate does not imply a negative return value).
The default verification flags used by this function can be overridden
using <a class="link" href="gnutls-gnutls.html#gnutls-certificate-set-verify-flags" title="gnutls_certificate_set_verify_flags ()"><code class="function">gnutls_certificate_set_verify_flags()</code></a>.</p>
<p>This function will take into account the OCSP Certificate Status TLS extension,
as well as the following X.509 certificate extensions: Name Constraints,
Key Usage, and Basic Constraints (pathlen).</p>
<p>To avoid denial of service attacks some
default upper limits regarding the certificate key size and chain
size are set. To override them use <a class="link" href="gnutls-gnutls.html#gnutls-certificate-set-verify-limits" title="gnutls_certificate_set_verify_limits ()"><code class="function">gnutls_certificate_set_verify_limits()</code></a>.</p>
<p>Note that you must also check the peer's name in order to check if
the verified certificate belongs to the actual peer, see <a class="link" href="gnutls-x509.html#gnutls-x509-crt-check-hostname" title="gnutls_x509_crt_check_hostname ()"><code class="function">gnutls_x509_crt_check_hostname()</code></a>,
or use <a class="link" href="gnutls-gnutls.html#gnutls-certificate-verify-peers3" title="gnutls_certificate_verify_peers3 ()"><code class="function">gnutls_certificate_verify_peers3()</code></a>.</p>
<div class="refsect3">
<a name="id-1.2.4.6.67.8"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a gnutls session</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>status</p></td>
<td class="parameter_description"><p>is the output of the verification</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.67.9"></a><h4>Returns</h4>
<p> a negative error code on error and <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0)
when the peer's certificate was successfully parsed, whether or not
it was verified.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-certificate-verify-peers3"></a><h3>gnutls_certificate_verify_peers3 ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_certificate_verify_peers3 (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>,
                                  <em class="parameter"><code>const <span class="type">char</span> *hostname</code></em>,
                                  <em class="parameter"><code>unsigned <span class="type">int</span> *status</code></em>);</pre>
<p>This function will verify the peer's certificate and store the
status in the <em class="parameter"><code>status</code></em>
 variable as a bitwise or'd gnutls_certificate_status_t
values or zero if the certificate is trusted. Note that value in <em class="parameter"><code>status</code></em>

is set only when the return value of this function is success (i.e, failure 
to trust a certificate does not imply a negative return value).
The default verification flags used by this function can be overridden
using <a class="link" href="gnutls-gnutls.html#gnutls-certificate-set-verify-flags" title="gnutls_certificate_set_verify_flags ()"><code class="function">gnutls_certificate_set_verify_flags()</code></a>. See the documentation
of <a class="link" href="gnutls-gnutls.html#gnutls-certificate-verify-peers2" title="gnutls_certificate_verify_peers2 ()"><code class="function">gnutls_certificate_verify_peers2()</code></a> for details in the verification process.</p>
<p>If the <em class="parameter"><code>hostname</code></em>
 provided is non-NULL then this function will compare
the hostname in the certificate against the given. The comparison will
be accurate for ascii names; non-ascii names are compared byte-by-byte. 
If names do not match the <a class="link" href="gnutls-gnutls.html#GNUTLS-CERT-UNEXPECTED-OWNER:CAPS"><code class="literal">GNUTLS_CERT_UNEXPECTED_OWNER</code></a> status flag will be set.</p>
<p>In order to verify the purpose of the end-certificate (by checking the extended
key usage), use <code class="function">gnutls_certificate_verify_peers()</code>.</p>
<div class="refsect3">
<a name="id-1.2.4.6.68.7"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a gnutls session</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>hostname</p></td>
<td class="parameter_description"><p>is the expected name of the peer; may be <code class="literal">NULL</code></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>status</p></td>
<td class="parameter_description"><p>is the output of the verification</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.68.8"></a><h4>Returns</h4>
<p> a negative error code on error and <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0)
when the peer's certificate was successfully parsed, whether or not
it was verified.</p>
</div>
<p class="since">Since: 3.1.4</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-check-version"></a><h3>gnutls_check_version ()</h3>
<pre class="programlisting">const <span class="returnvalue">char</span> *
gnutls_check_version (<em class="parameter"><code>const <span class="type">char</span> *req_version</code></em>);</pre>
<p>Check GnuTLS Library version.</p>
<p>See <a class="link" href="gnutls-gnutls.html#GNUTLS-VERSION:CAPS" title="GNUTLS_VERSION"><code class="literal">GNUTLS_VERSION</code></a> for a suitable <em class="parameter"><code>req_version</code></em>
 string.</p>
<div class="refsect3">
<a name="id-1.2.4.6.69.6"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>req_version</p></td>
<td class="parameter_description"><p>version string to compare with, or <code class="literal">NULL</code>.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.69.7"></a><h4>Returns</h4>
<p> Check that the version of the library is at
minimum the one given as a string in <em class="parameter"><code>req_version</code></em>
and return the
actual version string of the library; return <code class="literal">NULL</code> if the
condition is not met.  If <code class="literal">NULL</code> is passed to this function no
check is done and only the version string is returned.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-cipher-get"></a><h3>gnutls_cipher_get ()</h3>
<pre class="programlisting"><a class="link" href="gnutls-gnutls.html#gnutls-cipher-algorithm-t" title="enum gnutls_cipher_algorithm_t"><span class="returnvalue">gnutls_cipher_algorithm_t</span></a>
gnutls_cipher_get (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>);</pre>
<p>Get currently used cipher.</p>
<div class="refsect3">
<a name="id-1.2.4.6.70.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.70.6"></a><h4>Returns</h4>
<p> the currently used cipher, a <a class="link" href="gnutls-gnutls.html#gnutls-cipher-algorithm-t" title="enum gnutls_cipher_algorithm_t"><span class="type">gnutls_cipher_algorithm_t</span></a>
type.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-cipher-get-id"></a><h3>gnutls_cipher_get_id ()</h3>
<pre class="programlisting"><a class="link" href="gnutls-gnutls.html#gnutls-cipher-algorithm-t" title="enum gnutls_cipher_algorithm_t"><span class="returnvalue">gnutls_cipher_algorithm_t</span></a>
gnutls_cipher_get_id (<em class="parameter"><code>const <span class="type">char</span> *name</code></em>);</pre>
<p>The names are compared in a case insensitive way.</p>
<div class="refsect3">
<a name="id-1.2.4.6.71.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>name</p></td>
<td class="parameter_description"><p>is a cipher algorithm name</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.71.6"></a><h4>Returns</h4>
<p> return a <a class="link" href="gnutls-gnutls.html#gnutls-cipher-algorithm-t" title="enum gnutls_cipher_algorithm_t"><span class="type">gnutls_cipher_algorithm_t</span></a> value corresponding to
the specified cipher, or <a class="link" href="gnutls-gnutls.html#GNUTLS-CIPHER-UNKNOWN:CAPS"><code class="literal">GNUTLS_CIPHER_UNKNOWN</code></a> on error.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-cipher-get-key-size"></a><h3>gnutls_cipher_get_key_size ()</h3>
<pre class="programlisting"><span class="returnvalue">size_t</span>
gnutls_cipher_get_key_size (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-cipher-algorithm-t" title="enum gnutls_cipher_algorithm_t"><span class="type">gnutls_cipher_algorithm_t</span></a> algorithm</code></em>);</pre>
<p>Get key size for cipher.</p>
<div class="refsect3">
<a name="id-1.2.4.6.72.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>algorithm</p></td>
<td class="parameter_description"><p>is an encryption algorithm</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.72.6"></a><h4>Returns</h4>
<p> length (in bytes) of the given cipher's key size, or 0 if
the given cipher is invalid.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-cipher-get-name"></a><h3>gnutls_cipher_get_name ()</h3>
<pre class="programlisting">const <span class="returnvalue">char</span> *
gnutls_cipher_get_name (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-cipher-algorithm-t" title="enum gnutls_cipher_algorithm_t"><span class="type">gnutls_cipher_algorithm_t</span></a> algorithm</code></em>);</pre>
<p>Convert a <a class="link" href="gnutls-gnutls.html#gnutls-cipher-algorithm-t" title="enum gnutls_cipher_algorithm_t"><span class="type">gnutls_cipher_algorithm_t</span></a> type to a string.</p>
<div class="refsect3">
<a name="id-1.2.4.6.73.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>algorithm</p></td>
<td class="parameter_description"><p>is an encryption algorithm</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.73.6"></a><h4>Returns</h4>
<p> a pointer to a string that contains the name of the
specified cipher, or <code class="literal">NULL</code>.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-cipher-list"></a><h3>gnutls_cipher_list ()</h3>
<pre class="programlisting">const <a class="link" href="gnutls-gnutls.html#gnutls-cipher-algorithm-t" title="enum gnutls_cipher_algorithm_t"><span class="returnvalue">gnutls_cipher_algorithm_t</span></a> *
gnutls_cipher_list (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>Get a list of supported cipher algorithms.  Note that not
necessarily all ciphers are supported as TLS cipher suites.  For
example, DES is not supported as a cipher suite, but is supported
for other purposes (e.g., PKCS#8 or similar).</p>
<p>This function is not thread safe.</p>
<div class="refsect3">
<a name="id-1.2.4.6.74.6"></a><h4>Returns</h4>
<p> a (0)-terminated list of <a class="link" href="gnutls-gnutls.html#gnutls-cipher-algorithm-t" title="enum gnutls_cipher_algorithm_t"><span class="type">gnutls_cipher_algorithm_t</span></a>
integers indicating the available ciphers.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-cipher-suite-get-name"></a><h3>gnutls_cipher_suite_get_name ()</h3>
<pre class="programlisting">const <span class="returnvalue">char</span> *
gnutls_cipher_suite_get_name (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-kx-algorithm-t" title="enum gnutls_kx_algorithm_t"><span class="type">gnutls_kx_algorithm_t</span></a> kx_algorithm</code></em>,
                              <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-cipher-algorithm-t" title="enum gnutls_cipher_algorithm_t"><span class="type">gnutls_cipher_algorithm_t</span></a> cipher_algorithm</code></em>,
                              <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-mac-algorithm-t" title="enum gnutls_mac_algorithm_t"><span class="type">gnutls_mac_algorithm_t</span></a> mac_algorithm</code></em>);</pre>
<p>Note that the full cipher suite name must be prepended by TLS or
SSL depending of the protocol in use.</p>
<div class="refsect3">
<a name="id-1.2.4.6.75.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>kx_algorithm</p></td>
<td class="parameter_description"><p>is a Key exchange algorithm</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>cipher_algorithm</p></td>
<td class="parameter_description"><p>is a cipher algorithm</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>mac_algorithm</p></td>
<td class="parameter_description"><p>is a MAC algorithm</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.75.6"></a><h4>Returns</h4>
<p> a string that contains the name of a TLS cipher suite,
specified by the given algorithms, or <code class="literal">NULL</code>.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-cipher-suite-info"></a><h3>gnutls_cipher_suite_info ()</h3>
<pre class="programlisting">const <span class="returnvalue">char</span> *
gnutls_cipher_suite_info (<em class="parameter"><code><span class="type">size_t</span> idx</code></em>,
                          <em class="parameter"><code>unsigned <span class="type">char</span> *cs_id</code></em>,
                          <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-kx-algorithm-t" title="enum gnutls_kx_algorithm_t"><span class="type">gnutls_kx_algorithm_t</span></a> *kx</code></em>,
                          <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-cipher-algorithm-t" title="enum gnutls_cipher_algorithm_t"><span class="type">gnutls_cipher_algorithm_t</span></a> *cipher</code></em>,
                          <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-mac-algorithm-t" title="enum gnutls_mac_algorithm_t"><span class="type">gnutls_mac_algorithm_t</span></a> *mac</code></em>,
                          <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-protocol-t" title="enum gnutls_protocol_t"><span class="type">gnutls_protocol_t</span></a> *min_version</code></em>);</pre>
<p>Get information about supported cipher suites.  Use the function
iteratively to get information about all supported cipher suites.
Call with idx=0 to get information about first cipher suite, then
idx=1 and so on until the function returns NULL.</p>
<div class="refsect3">
<a name="id-1.2.4.6.76.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>idx</p></td>
<td class="parameter_description"><p>index of cipher suite to get information about, starts on 0.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>cs_id</p></td>
<td class="parameter_description"><p>output buffer with room for 2 bytes, indicating cipher suite value</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>kx</p></td>
<td class="parameter_description"><p>output variable indicating key exchange algorithm, or <code class="literal">NULL</code>.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>cipher</p></td>
<td class="parameter_description"><p>output variable indicating cipher, or <code class="literal">NULL</code>.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>mac</p></td>
<td class="parameter_description"><p>output variable indicating MAC algorithm, or <code class="literal">NULL</code>.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>min_version</p></td>
<td class="parameter_description"><p>output variable indicating TLS protocol version, or <code class="literal">NULL</code>.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.76.6"></a><h4>Returns</h4>
<p> the name of <em class="parameter"><code>idx</code></em>
cipher suite, and set the information
about the cipher suite in the output variables.  If <em class="parameter"><code>idx</code></em>
is out of
bounds, <code class="literal">NULL</code> is returned.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-compression-get"></a><h3>gnutls_compression_get ()</h3>
<pre class="programlisting"><a class="link" href="gnutls-gnutls.html#gnutls-compression-method-t" title="enum gnutls_compression_method_t"><span class="returnvalue">gnutls_compression_method_t</span></a>
gnutls_compression_get (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>);</pre>
<p>Get currently used compression algorithm.</p>
<div class="refsect3">
<a name="id-1.2.4.6.77.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.77.6"></a><h4>Returns</h4>
<p> the currently used compression method, a
<a class="link" href="gnutls-gnutls.html#gnutls-compression-method-t" title="enum gnutls_compression_method_t"><span class="type">gnutls_compression_method_t</span></a> value.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-compression-get-id"></a><h3>gnutls_compression_get_id ()</h3>
<pre class="programlisting"><a class="link" href="gnutls-gnutls.html#gnutls-compression-method-t" title="enum gnutls_compression_method_t"><span class="returnvalue">gnutls_compression_method_t</span></a>
gnutls_compression_get_id (<em class="parameter"><code>const <span class="type">char</span> *name</code></em>);</pre>
<p>The names are compared in a case insensitive way.</p>
<div class="refsect3">
<a name="id-1.2.4.6.78.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>name</p></td>
<td class="parameter_description"><p>is a compression method name</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.78.6"></a><h4>Returns</h4>
<p> an id of the specified in a string compression method, or
<a class="link" href="gnutls-gnutls.html#GNUTLS-COMP-UNKNOWN:CAPS"><code class="literal">GNUTLS_COMP_UNKNOWN</code></a> on error.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-compression-get-name"></a><h3>gnutls_compression_get_name ()</h3>
<pre class="programlisting">const <span class="returnvalue">char</span> *
gnutls_compression_get_name (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-compression-method-t" title="enum gnutls_compression_method_t"><span class="type">gnutls_compression_method_t</span></a> algorithm</code></em>);</pre>
<p>Convert a <a class="link" href="gnutls-gnutls.html#gnutls-compression-method-t" title="enum gnutls_compression_method_t"><span class="type">gnutls_compression_method_t</span></a> value to a string.</p>
<div class="refsect3">
<a name="id-1.2.4.6.79.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>algorithm</p></td>
<td class="parameter_description"><p>is a Compression algorithm</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.79.6"></a><h4>Returns</h4>
<p> a pointer to a string that contains the name of the
specified compression algorithm, or <code class="literal">NULL</code>.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-compression-list"></a><h3>gnutls_compression_list ()</h3>
<pre class="programlisting">const <a class="link" href="gnutls-gnutls.html#gnutls-compression-method-t" title="enum gnutls_compression_method_t"><span class="returnvalue">gnutls_compression_method_t</span></a> *
gnutls_compression_list (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>Get a list of compression methods.</p>
<div class="refsect3">
<a name="id-1.2.4.6.80.5"></a><h4>Returns</h4>
<p> a zero-terminated list of <a class="link" href="gnutls-gnutls.html#gnutls-compression-method-t" title="enum gnutls_compression_method_t"><span class="type">gnutls_compression_method_t</span></a>
integers indicating the available compression methods.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-credentials-clear"></a><h3>gnutls_credentials_clear ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_credentials_clear (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>);</pre>
<p>Clears all the credentials previously set in this session.</p>
<div class="refsect3">
<a name="id-1.2.4.6.81.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-credentials-set"></a><h3>gnutls_credentials_set ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_credentials_set (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>,
                        <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-credentials-type-t" title="enum gnutls_credentials_type_t"><span class="type">gnutls_credentials_type_t</span></a> type</code></em>,
                        <em class="parameter"><code><span class="type">void</span> *cred</code></em>);</pre>
<p>Sets the needed credentials for the specified type.  Eg username,
password - or public and private keys etc.  The <em class="parameter"><code>cred</code></em>
 parameter is
a structure that depends on the specified type and on the current
session (client or server).</p>
<p>In order to minimize memory usage, and share credentials between
several threads gnutls keeps a pointer to cred, and not the whole
cred structure.  Thus you will have to keep the structure allocated
until you call <a class="link" href="gnutls-gnutls.html#gnutls-deinit" title="gnutls_deinit ()"><code class="function">gnutls_deinit()</code></a>.</p>
<p>For <a class="link" href="gnutls-gnutls.html#GNUTLS-CRD-ANON:CAPS"><code class="literal">GNUTLS_CRD_ANON</code></a>, <em class="parameter"><code>cred</code></em>
 should be
<span class="type">gnutls_anon_client_credentials_t</span> in case of a client.  In case of
a server it should be <span class="type">gnutls_anon_server_credentials_t</span>.</p>
<p>For <a class="link" href="gnutls-gnutls.html#GNUTLS-CRD-SRP:CAPS"><code class="literal">GNUTLS_CRD_SRP</code></a>, <em class="parameter"><code>cred</code></em>
 should be <span class="type">gnutls_srp_client_credentials_t</span>
in case of a client, and <span class="type">gnutls_srp_server_credentials_t</span>, in case
of a server.</p>
<p>For <a class="link" href="gnutls-gnutls.html#GNUTLS-CRD-CERTIFICATE:CAPS"><code class="literal">GNUTLS_CRD_CERTIFICATE</code></a>, <em class="parameter"><code>cred</code></em>
 should be
<span class="type">gnutls_certificate_credentials_t</span>.</p>
<div class="refsect3">
<a name="id-1.2.4.6.82.9"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>type</p></td>
<td class="parameter_description"><p>is the type of the credentials</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>cred</p></td>
<td class="parameter_description"><p>the credentials to set</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.82.10"></a><h4>Returns</h4>
<p> On success, <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0) is returned,
otherwise a negative error code is returned.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-db-check-entry"></a><h3>gnutls_db_check_entry ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_db_check_entry (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>,
                       <em class="parameter"><code><span class="type">gnutls_datum_t</span> session_entry</code></em>);</pre>
<p>This function has no effect.</p>
<div class="refsect3">
<a name="id-1.2.4.6.83.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>session_entry</p></td>
<td class="parameter_description"><p>is the session data (not key)</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.83.6"></a><h4>Returns</h4>
<p> Returns <a class="link" href="gnutls-gnutls.html#GNUTLS-E-EXPIRED:CAPS" title="GNUTLS_E_EXPIRED"><code class="literal">GNUTLS_E_EXPIRED</code></a>, if the database entry has
expired or 0 otherwise.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-db-get-ptr"></a><h3>gnutls_db_get_ptr ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> *
gnutls_db_get_ptr (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>);</pre>
<p>Get db function pointer.</p>
<div class="refsect3">
<a name="id-1.2.4.6.84.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.84.6"></a><h4>Returns</h4>
<p> the pointer that will be sent to db store, retrieve and
delete functions, as the first argument.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-db-remove-func"></a><h3>gnutls_db_remove_func ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
<span class="c_punctuation">(</span>*gnutls_db_remove_func<span class="c_punctuation">)</span> (<em class="parameter"><code><span class="type">void</span> *Param1</code></em>,
                          <em class="parameter"><code><span class="type">gnutls_datum_t</span> key</code></em>);</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-db-remove-session"></a><h3>gnutls_db_remove_session ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_db_remove_session (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>);</pre>
<p>This function will remove the current session data from the
session database.  This will prevent future handshakes reusing
these session data.  This function should be called if a session
was terminated abnormally, and before <a class="link" href="gnutls-gnutls.html#gnutls-deinit" title="gnutls_deinit ()"><code class="function">gnutls_deinit()</code></a> is called.</p>
<p>Normally <a class="link" href="gnutls-gnutls.html#gnutls-deinit" title="gnutls_deinit ()"><code class="function">gnutls_deinit()</code></a> will remove abnormally terminated
sessions.</p>
<div class="refsect3">
<a name="id-1.2.4.6.86.6"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-db-retr-func"></a><h3>gnutls_db_retr_func ()</h3>
<pre class="programlisting"><span class="returnvalue">gnutls_datum_t</span>
<span class="c_punctuation">(</span>*gnutls_db_retr_func<span class="c_punctuation">)</span> (<em class="parameter"><code><span class="type">void</span> *Param1</code></em>,
                        <em class="parameter"><code><span class="type">gnutls_datum_t</span> key</code></em>);</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-db-set-cache-expiration"></a><h3>gnutls_db_set_cache_expiration ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_db_set_cache_expiration (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>,
                                <em class="parameter"><code><span class="type">int</span> seconds</code></em>);</pre>
<p>Set the expiration time for resumed sessions. The default is 3600
(one hour) at the time of this writing.</p>
<div class="refsect3">
<a name="id-1.2.4.6.88.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>seconds</p></td>
<td class="parameter_description"><p>is the number of seconds.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-db-set-ptr"></a><h3>gnutls_db_set_ptr ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_db_set_ptr (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>,
                   <em class="parameter"><code><span class="type">void</span> *ptr</code></em>);</pre>
<p>Sets the pointer that will be provided to db store, retrieve and
delete functions, as the first argument.</p>
<div class="refsect3">
<a name="id-1.2.4.6.89.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>ptr</p></td>
<td class="parameter_description"><p>is the pointer</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-db-set-remove-function"></a><h3>gnutls_db_set_remove_function ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_db_set_remove_function (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>,
                               <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-db-remove-func" title="gnutls_db_remove_func ()"><span class="type">gnutls_db_remove_func</span></a> rem_func</code></em>);</pre>
<p>Sets the function that will be used to remove data from the
resumed sessions database. This function must return 0 on success.</p>
<p>The first argument to <em class="parameter"><code>rem_func</code></em>
 will be null unless
<a class="link" href="gnutls-gnutls.html#gnutls-db-set-ptr" title="gnutls_db_set_ptr ()"><code class="function">gnutls_db_set_ptr()</code></a> has been called.</p>
<div class="refsect3">
<a name="id-1.2.4.6.90.6"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>rem_func</p></td>
<td class="parameter_description"><p>is the function.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-db-set-retrieve-function"></a><h3>gnutls_db_set_retrieve_function ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_db_set_retrieve_function (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>,
                                 <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-db-retr-func" title="gnutls_db_retr_func ()"><span class="type">gnutls_db_retr_func</span></a> retr_func</code></em>);</pre>
<p>Sets the function that will be used to retrieve data from the
resumed sessions database.  This function must return a
gnutls_datum_t containing the data on success, or a gnutls_datum_t
containing null and 0 on failure.</p>
<p>The datum's data must be allocated using the function
<a href="/usr/share/gtk-doc/html/gnutls/gnutls-gnutls.html#gnutls-malloc"><code class="function">gnutls_malloc()</code></a>.</p>
<p>The first argument to <em class="parameter"><code>retr_func</code></em>
 will be null unless
<a class="link" href="gnutls-gnutls.html#gnutls-db-set-ptr" title="gnutls_db_set_ptr ()"><code class="function">gnutls_db_set_ptr()</code></a> has been called.</p>
<div class="refsect3">
<a name="id-1.2.4.6.91.7"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>retr_func</p></td>
<td class="parameter_description"><p>is the function.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-db-set-store-function"></a><h3>gnutls_db_set_store_function ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_db_set_store_function (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>,
                              <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-db-store-func" title="gnutls_db_store_func ()"><span class="type">gnutls_db_store_func</span></a> store_func</code></em>);</pre>
<p>Sets the function that will be used to store data in the resumed
sessions database. This function must return 0 on success.</p>
<p>The first argument to <em class="parameter"><code>store_func</code></em>
 will be null unless
<a class="link" href="gnutls-gnutls.html#gnutls-db-set-ptr" title="gnutls_db_set_ptr ()"><code class="function">gnutls_db_set_ptr()</code></a> has been called.</p>
<div class="refsect3">
<a name="id-1.2.4.6.92.6"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>store_func</p></td>
<td class="parameter_description"><p>is the function</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-db-store-func"></a><h3>gnutls_db_store_func ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
<span class="c_punctuation">(</span>*gnutls_db_store_func<span class="c_punctuation">)</span> (<em class="parameter"><code><span class="type">void</span> *Param1</code></em>,
                         <em class="parameter"><code><span class="type">gnutls_datum_t</span> key</code></em>,
                         <em class="parameter"><code><span class="type">gnutls_datum_t</span> data</code></em>);</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-deinit"></a><h3>gnutls_deinit ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_deinit (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>);</pre>
<p>This function clears all buffers associated with the <em class="parameter"><code>session</code></em>
.
This function will also remove session data from the session
database if the session was terminated abnormally.</p>
<div class="refsect3">
<a name="id-1.2.4.6.94.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-dh-get-group"></a><h3>gnutls_dh_get_group ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_dh_get_group (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>,
                     <em class="parameter"><code><span class="type">gnutls_datum_t</span> *raw_gen</code></em>,
                     <em class="parameter"><code><span class="type">gnutls_datum_t</span> *raw_prime</code></em>);</pre>
<p>This function will return the group parameters used in the last
Diffie-Hellman key exchange with the peer.  These are the prime and
the generator used.  This function should be used for both
anonymous and ephemeral Diffie-Hellman.  The output parameters must
be freed with <a href="/usr/share/gtk-doc/html/gnutls/gnutls-gnutls.html#gnutls-free"><code class="function">gnutls_free()</code></a>.</p>
<p>Note, that the prime and generator are exported as non-negative
integers and may include a leading zero byte.</p>
<div class="refsect3">
<a name="id-1.2.4.6.95.6"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a gnutls session</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>raw_gen</p></td>
<td class="parameter_description"><p>will hold the generator.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>raw_prime</p></td>
<td class="parameter_description"><p>will hold the prime.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.95.7"></a><h4>Returns</h4>
<p> On success, <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0) is returned, otherwise
an error code is returned.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-dh-get-peers-public-bits"></a><h3>gnutls_dh_get_peers_public_bits ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_dh_get_peers_public_bits (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>);</pre>
<p>Get the Diffie-Hellman public key bit size.  Can be used for both
anonymous and ephemeral Diffie-Hellman.</p>
<div class="refsect3">
<a name="id-1.2.4.6.96.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a gnutls session</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.96.6"></a><h4>Returns</h4>
<p> The public key bit size used in the last Diffie-Hellman
key exchange with the peer, or a negative error code in case of error.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-dh-get-prime-bits"></a><h3>gnutls_dh_get_prime_bits ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_dh_get_prime_bits (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>);</pre>
<p>This function will return the bits of the prime used in the last
Diffie-Hellman key exchange with the peer.  Should be used for both
anonymous and ephemeral Diffie-Hellman.  Note that some ciphers,
like RSA and DSA without DHE, do not use a Diffie-Hellman key
exchange, and then this function will return 0.</p>
<div class="refsect3">
<a name="id-1.2.4.6.97.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a gnutls session</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.97.6"></a><h4>Returns</h4>
<p> The Diffie-Hellman bit strength is returned, or 0 if no
Diffie-Hellman key exchange was done, or a negative error code on
failure.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-dh-get-pubkey"></a><h3>gnutls_dh_get_pubkey ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_dh_get_pubkey (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>,
                      <em class="parameter"><code><span class="type">gnutls_datum_t</span> *raw_key</code></em>);</pre>
<p>This function will return the peer's public key used in the last
Diffie-Hellman key exchange.  This function should be used for both
anonymous and ephemeral Diffie-Hellman.  The output parameters must
be freed with <a href="/usr/share/gtk-doc/html/gnutls/gnutls-gnutls.html#gnutls-free"><code class="function">gnutls_free()</code></a>.</p>
<p>Note, that public key is exported as non-negative
integer and may include a leading zero byte.</p>
<div class="refsect3">
<a name="id-1.2.4.6.98.6"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a gnutls session</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>raw_key</p></td>
<td class="parameter_description"><p>will hold the public key.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.98.7"></a><h4>Returns</h4>
<p> On success, <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0) is returned, otherwise
an error code is returned.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-dh-get-secret-bits"></a><h3>gnutls_dh_get_secret_bits ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_dh_get_secret_bits (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>);</pre>
<p>This function will return the bits used in the last Diffie-Hellman
key exchange with the peer.  Should be used for both anonymous and
ephemeral Diffie-Hellman.</p>
<div class="refsect3">
<a name="id-1.2.4.6.99.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a gnutls session</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.99.6"></a><h4>Returns</h4>
<p> On success, <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0) is returned, otherwise
an error code is returned.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-dh-params-cpy"></a><h3>gnutls_dh_params_cpy ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_dh_params_cpy (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-dh-params-t" title="gnutls_dh_params_t"><span class="type">gnutls_dh_params_t</span></a> dst</code></em>,
                      <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-dh-params-t" title="gnutls_dh_params_t"><span class="type">gnutls_dh_params_t</span></a> src</code></em>);</pre>
<p>This function will copy the DH parameters structure from source
to destination.</p>
<div class="refsect3">
<a name="id-1.2.4.6.100.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>dst</p></td>
<td class="parameter_description"><p>Is the destination parameters, which should be initialized.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>src</p></td>
<td class="parameter_description"><p>Is the source parameters</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.100.6"></a><h4>Returns</h4>
<p> On success, <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0) is returned,
otherwise a negative error code is returned.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-dh-params-deinit"></a><h3>gnutls_dh_params_deinit ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_dh_params_deinit (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-dh-params-t" title="gnutls_dh_params_t"><span class="type">gnutls_dh_params_t</span></a> dh_params</code></em>);</pre>
<p>This function will deinitialize the DH parameters type.</p>
<div class="refsect3">
<a name="id-1.2.4.6.101.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>dh_params</p></td>
<td class="parameter_description"><p>The parameters</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-dh-params-export2-pkcs3"></a><h3>gnutls_dh_params_export2_pkcs3 ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_dh_params_export2_pkcs3 (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-dh-params-t" title="gnutls_dh_params_t"><span class="type">gnutls_dh_params_t</span></a> params</code></em>,
                                <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-x509-crt-fmt-t" title="enum gnutls_x509_crt_fmt_t"><span class="type">gnutls_x509_crt_fmt_t</span></a> format</code></em>,
                                <em class="parameter"><code><span class="type">gnutls_datum_t</span> *out</code></em>);</pre>
<p>This function will export the given dh parameters to a PKCS3
DHParams structure. This is the format generated by "openssl dhparam" tool.
The data in <em class="parameter"><code>out</code></em>
 will be allocated using <a href="/usr/share/gtk-doc/html/gnutls/gnutls-gnutls.html#gnutls-malloc"><code class="function">gnutls_malloc()</code></a>.</p>
<p>If the structure is PEM encoded, it will have a header
of "BEGIN DH PARAMETERS".</p>
<div class="refsect3">
<a name="id-1.2.4.6.102.6"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>params</p></td>
<td class="parameter_description"><p>Holds the DH parameters</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>format</p></td>
<td class="parameter_description"><p>the format of output params. One of PEM or DER.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>out</p></td>
<td class="parameter_description"><p>will contain a PKCS3 DHParams structure PEM or DER encoded</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.102.7"></a><h4>Returns</h4>
<p> On success, <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0) is returned,
otherwise a negative error code is returned.</p>
</div>
<p class="since">Since: 3.1.3</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-dh-params-export-pkcs3"></a><h3>gnutls_dh_params_export_pkcs3 ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_dh_params_export_pkcs3 (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-dh-params-t" title="gnutls_dh_params_t"><span class="type">gnutls_dh_params_t</span></a> params</code></em>,
                               <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-x509-crt-fmt-t" title="enum gnutls_x509_crt_fmt_t"><span class="type">gnutls_x509_crt_fmt_t</span></a> format</code></em>,
                               <em class="parameter"><code>unsigned <span class="type">char</span> *params_data</code></em>,
                               <em class="parameter"><code><span class="type">size_t</span> *params_data_size</code></em>);</pre>
<p>This function will export the given dh parameters to a PKCS3
DHParams structure. This is the format generated by "openssl dhparam" tool.
If the buffer provided is not long enough to hold the output, then
GNUTLS_E_SHORT_MEMORY_BUFFER will be returned.</p>
<p>If the structure is PEM encoded, it will have a header
of "BEGIN DH PARAMETERS".</p>
<div class="refsect3">
<a name="id-1.2.4.6.103.6"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>params</p></td>
<td class="parameter_description"><p>Holds the DH parameters</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>format</p></td>
<td class="parameter_description"><p>the format of output params. One of PEM or DER.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>params_data</p></td>
<td class="parameter_description"><p>will contain a PKCS3 DHParams structure PEM or DER encoded</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>params_data_size</p></td>
<td class="parameter_description"><p>holds the size of params_data (and will be replaced by the actual size of parameters)</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.103.7"></a><h4>Returns</h4>
<p> On success, <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0) is returned,
otherwise a negative error code is returned.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-dh-params-export-raw"></a><h3>gnutls_dh_params_export_raw ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_dh_params_export_raw (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-dh-params-t" title="gnutls_dh_params_t"><span class="type">gnutls_dh_params_t</span></a> params</code></em>,
                             <em class="parameter"><code><span class="type">gnutls_datum_t</span> *prime</code></em>,
                             <em class="parameter"><code><span class="type">gnutls_datum_t</span> *generator</code></em>,
                             <em class="parameter"><code>unsigned <span class="type">int</span> *bits</code></em>);</pre>
<p>This function will export the pair of prime and generator for use
in the Diffie-Hellman key exchange.  The new parameters will be
allocated using <a href="/usr/share/gtk-doc/html/gnutls/gnutls-gnutls.html#gnutls-malloc"><code class="function">gnutls_malloc()</code></a> and will be stored in the
appropriate datum.</p>
<div class="refsect3">
<a name="id-1.2.4.6.104.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>params</p></td>
<td class="parameter_description"><p>Holds the DH parameters</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>prime</p></td>
<td class="parameter_description"><p>will hold the new prime</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>generator</p></td>
<td class="parameter_description"><p>will hold the new generator</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>bits</p></td>
<td class="parameter_description"><p>if non null will hold the secret key's number of bits</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.104.6"></a><h4>Returns</h4>
<p> On success, <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0) is returned,
otherwise a negative error code is returned.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-dh-params-generate2"></a><h3>gnutls_dh_params_generate2 ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_dh_params_generate2 (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-dh-params-t" title="gnutls_dh_params_t"><span class="type">gnutls_dh_params_t</span></a> params</code></em>,
                            <em class="parameter"><code>unsigned <span class="type">int</span> bits</code></em>);</pre>
<p>This function will generate a new pair of prime and generator for use in
the Diffie-Hellman key exchange. The new parameters will be allocated using
<a href="/usr/share/gtk-doc/html/gnutls/gnutls-gnutls.html#gnutls-malloc"><code class="function">gnutls_malloc()</code></a> and will be stored in the appropriate datum.
This function is normally slow.</p>
<p>Do not set the number of bits directly, use <a class="link" href="gnutls-gnutls.html#gnutls-sec-param-to-pk-bits" title="gnutls_sec_param_to_pk_bits ()"><code class="function">gnutls_sec_param_to_pk_bits()</code></a> to
get bits for <a class="link" href="gnutls-gnutls.html#GNUTLS-PK-DSA:CAPS"><code class="literal">GNUTLS_PK_DSA</code></a>.
Also note that the DH parameters are only useful to servers.
Since clients use the parameters sent by the server, it's of
no use to call this in client side.</p>
<div class="refsect3">
<a name="id-1.2.4.6.105.6"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>bits</p></td>
<td class="parameter_description"><p>is the prime's number of bits</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.105.7"></a><h4>Returns</h4>
<p> On success, <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0) is returned,
otherwise a negative error code is returned.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-dh-params-import-pkcs3"></a><h3>gnutls_dh_params_import_pkcs3 ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_dh_params_import_pkcs3 (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-dh-params-t" title="gnutls_dh_params_t"><span class="type">gnutls_dh_params_t</span></a> params</code></em>,
                               <em class="parameter"><code>const <span class="type">gnutls_datum_t</span> *pkcs3_params</code></em>,
                               <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-x509-crt-fmt-t" title="enum gnutls_x509_crt_fmt_t"><span class="type">gnutls_x509_crt_fmt_t</span></a> format</code></em>);</pre>
<p>This function will extract the DHParams found in a PKCS3 formatted
structure. This is the format generated by "openssl dhparam" tool.</p>
<p>If the structure is PEM encoded, it should have a header
of "BEGIN DH PARAMETERS".</p>
<div class="refsect3">
<a name="id-1.2.4.6.106.6"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>params</p></td>
<td class="parameter_description"><p>The parameters</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>pkcs3_params</p></td>
<td class="parameter_description"><p>should contain a PKCS3 DHParams structure PEM or DER encoded</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>format</p></td>
<td class="parameter_description"><p>the format of params. PEM or DER.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.106.7"></a><h4>Returns</h4>
<p> On success, <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0) is returned,
otherwise a negative error code is returned.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-dh-params-import-raw"></a><h3>gnutls_dh_params_import_raw ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_dh_params_import_raw (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-dh-params-t" title="gnutls_dh_params_t"><span class="type">gnutls_dh_params_t</span></a> dh_params</code></em>,
                             <em class="parameter"><code>const <span class="type">gnutls_datum_t</span> *prime</code></em>,
                             <em class="parameter"><code>const <span class="type">gnutls_datum_t</span> *generator</code></em>);</pre>
<p>This function will replace the pair of prime and generator for use
in the Diffie-Hellman key exchange.  The new parameters should be
stored in the appropriate gnutls_datum.</p>
<div class="refsect3">
<a name="id-1.2.4.6.107.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>dh_params</p></td>
<td class="parameter_description"><p>The parameters</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>prime</p></td>
<td class="parameter_description"><p>holds the new prime</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>generator</p></td>
<td class="parameter_description"><p>holds the new generator</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.107.6"></a><h4>Returns</h4>
<p> On success, <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0) is returned,
otherwise a negative error code is returned.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-dh-params-init"></a><h3>gnutls_dh_params_init ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_dh_params_init (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-dh-params-t" title="gnutls_dh_params_t"><span class="type">gnutls_dh_params_t</span></a> *dh_params</code></em>);</pre>
<p>This function will initialize the DH parameters type.</p>
<div class="refsect3">
<a name="id-1.2.4.6.108.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>dh_params</p></td>
<td class="parameter_description"><p>The parameters</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.108.6"></a><h4>Returns</h4>
<p> On success, <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0) is returned,
otherwise a negative error code is returned.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-dh-set-prime-bits"></a><h3>gnutls_dh_set_prime_bits ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_dh_set_prime_bits (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>,
                          <em class="parameter"><code>unsigned <span class="type">int</span> bits</code></em>);</pre>
<p>This function sets the number of bits, for use in a Diffie-Hellman
key exchange.  This is used both in DH ephemeral and DH anonymous
cipher suites.  This will set the minimum size of the prime that
will be used for the handshake.</p>
<p>In the client side it sets the minimum accepted number of bits.  If
a server sends a prime with less bits than that
<a class="link" href="gnutls-gnutls.html#GNUTLS-E-DH-PRIME-UNACCEPTABLE:CAPS" title="GNUTLS_E_DH_PRIME_UNACCEPTABLE"><code class="literal">GNUTLS_E_DH_PRIME_UNACCEPTABLE</code></a> will be returned by the handshake.</p>
<p>Note that this function will warn via the audit log for value that
are believed to be weak.</p>
<p>The function has no effect in server side.</p>
<p>Note that since 3.1.7 this function is deprecated. The minimum
number of bits is set by the priority string level.
Also this function must be called after <a class="link" href="gnutls-gnutls.html#gnutls-priority-set-direct" title="gnutls_priority_set_direct ()"><code class="function">gnutls_priority_set_direct()</code></a>
or the set value may be overridden by the selected priority options.</p>
<div class="refsect3">
<a name="id-1.2.4.6.109.9"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>bits</p></td>
<td class="parameter_description"><p>is the number of bits</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-ecc-curve-get"></a><h3>gnutls_ecc_curve_get ()</h3>
<pre class="programlisting"><a class="link" href="gnutls-gnutls.html#gnutls-ecc-curve-t" title="enum gnutls_ecc_curve_t"><span class="returnvalue">gnutls_ecc_curve_t</span></a>
gnutls_ecc_curve_get (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>);</pre>
<p>Returns the currently used elliptic curve. Only valid
when using an elliptic curve ciphersuite.</p>
<div class="refsect3">
<a name="id-1.2.4.6.110.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.110.6"></a><h4>Returns</h4>
<p> the currently used curve, a <a class="link" href="gnutls-gnutls.html#gnutls-ecc-curve-t" title="enum gnutls_ecc_curve_t"><span class="type">gnutls_ecc_curve_t</span></a>
type.</p>
</div>
<p class="since">Since: 3.0</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-ecc-curve-get-name"></a><h3>gnutls_ecc_curve_get_name ()</h3>
<pre class="programlisting">const <span class="returnvalue">char</span> *
gnutls_ecc_curve_get_name (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-ecc-curve-t" title="enum gnutls_ecc_curve_t"><span class="type">gnutls_ecc_curve_t</span></a> curve</code></em>);</pre>
<p>Convert a <a class="link" href="gnutls-gnutls.html#gnutls-ecc-curve-t" title="enum gnutls_ecc_curve_t"><span class="type">gnutls_ecc_curve_t</span></a> value to a string.</p>
<div class="refsect3">
<a name="id-1.2.4.6.111.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>curve</p></td>
<td class="parameter_description"><p>is an ECC curve</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.111.6"></a><h4>Returns</h4>
<p> a string that contains the name of the specified
curve or <code class="literal">NULL</code>.</p>
</div>
<p class="since">Since: 3.0</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-ecc-curve-get-size"></a><h3>gnutls_ecc_curve_get_size ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_ecc_curve_get_size (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-ecc-curve-t" title="enum gnutls_ecc_curve_t"><span class="type">gnutls_ecc_curve_t</span></a> curve</code></em>);</pre>
<p>Returns the size in bytes of the curve.</p>
<div class="refsect3">
<a name="id-1.2.4.6.112.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>curve</p></td>
<td class="parameter_description"><p>is an ECC curve</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.112.6"></a><h4>Returns</h4>
<p> a the size or (0).</p>
</div>
<p class="since">Since: 3.0</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-ecc-curve-list"></a><h3>gnutls_ecc_curve_list ()</h3>
<pre class="programlisting">const <a class="link" href="gnutls-gnutls.html#gnutls-ecc-curve-t" title="enum gnutls_ecc_curve_t"><span class="returnvalue">gnutls_ecc_curve_t</span></a> *
gnutls_ecc_curve_list (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>Get the list of supported elliptic curves.</p>
<p>This function is not thread safe.</p>
<div class="refsect3">
<a name="id-1.2.4.6.113.6"></a><h4>Returns</h4>
<p> Return a (0)-terminated list of <a class="link" href="gnutls-gnutls.html#gnutls-ecc-curve-t" title="enum gnutls_ecc_curve_t"><span class="type">gnutls_ecc_curve_t</span></a>
integers indicating the available curves.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-errno-func"></a><h3>gnutls_errno_func ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
<span class="c_punctuation">(</span>*gnutls_errno_func<span class="c_punctuation">)</span> (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-transport-ptr-t" title="gnutls_transport_ptr_t"><span class="type">gnutls_transport_ptr_t</span></a> Param1</code></em>);</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-error-is-fatal"></a><h3>gnutls_error_is_fatal ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_error_is_fatal (<em class="parameter"><code><span class="type">int</span> error</code></em>);</pre>
<p>If a GnuTLS function returns a negative error code you may feed that
value to this function to see if the error condition is fatal to
a TLS session (i.e., must be terminated). </p>
<p>Note that you may also want to check the error code manually, since some
non-fatal errors to the protocol (such as a warning alert or
a rehandshake request) may be fatal for your program.</p>
<p>This function is only useful if you are dealing with errors from
functions that relate to a TLS session (e.g., record layer or handshake 
layer handling functions).</p>
<div class="refsect3">
<a name="id-1.2.4.6.115.7"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>error</p></td>
<td class="parameter_description"><p>is a GnuTLS error code, a negative error code</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.115.8"></a><h4>Returns</h4>
<p> Non-zero value on fatal errors or zero on non-fatal.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-error-to-alert"></a><h3>gnutls_error_to_alert ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_error_to_alert (<em class="parameter"><code><span class="type">int</span> err</code></em>,
                       <em class="parameter"><code><span class="type">int</span> *level</code></em>);</pre>
<p>Get an alert depending on the error code returned by a gnutls
function.  All alerts sent by this function should be considered
fatal.  The only exception is when <em class="parameter"><code>err</code></em>
 is <a class="link" href="gnutls-gnutls.html#GNUTLS-E-REHANDSHAKE:CAPS" title="GNUTLS_E_REHANDSHAKE"><code class="literal">GNUTLS_E_REHANDSHAKE</code></a>,
where a warning alert should be sent to the peer indicating that no
renegotiation will be performed.</p>
<p>If there is no mapping to a valid alert the alert to indicate
internal error is returned.</p>
<div class="refsect3">
<a name="id-1.2.4.6.116.6"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>err</p></td>
<td class="parameter_description"><p>is a negative integer</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>level</p></td>
<td class="parameter_description"><p>the alert level will be stored there</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.116.7"></a><h4>Returns</h4>
<p> the alert code to use for a particular error code.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-fingerprint"></a><h3>gnutls_fingerprint ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_fingerprint (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-digest-algorithm-t" title="enum gnutls_digest_algorithm_t"><span class="type">gnutls_digest_algorithm_t</span></a> algo</code></em>,
                    <em class="parameter"><code>const <span class="type">gnutls_datum_t</span> *data</code></em>,
                    <em class="parameter"><code><span class="type">void</span> *result</code></em>,
                    <em class="parameter"><code><span class="type">size_t</span> *result_size</code></em>);</pre>
<p>This function will calculate a fingerprint (actually a hash), of
the given data.  The result is not printable data.  You should
convert it to hex, or to something else printable.</p>
<p>This is the usual way to calculate a fingerprint of an X.509 DER
encoded certificate.  Note however that the fingerprint of an
OpenPGP certificate is not just a hash and cannot be calculated with this
function.</p>
<div class="refsect3">
<a name="id-1.2.4.6.117.6"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>algo</p></td>
<td class="parameter_description"><p>is a digest algorithm</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>data</p></td>
<td class="parameter_description"><p>is the data</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>result</p></td>
<td class="parameter_description"><p>is the place where the result will be copied (may be null).</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>result_size</p></td>
<td class="parameter_description"><p>should hold the size of the result. The actual size
of the returned result will also be copied there.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.117.7"></a><h4>Returns</h4>
<p> On success, <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0) is returned, otherwise
an error code is returned.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-free-function"></a><h3>gnutls_free_function ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
<span class="c_punctuation">(</span>*gnutls_free_function<span class="c_punctuation">)</span> (<em class="parameter"><code><span class="type">void</span> *Param1</code></em>);</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-global-deinit"></a><h3>gnutls_global_deinit ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_global_deinit (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>This function deinitializes the global data, that were initialized
using <a class="link" href="gnutls-gnutls.html#gnutls-global-init" title="gnutls_global_init ()"><code class="function">gnutls_global_init()</code></a>.</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-global-init"></a><h3>gnutls_global_init ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_global_init (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>This function performs any required precalculations, detects
the supported CPU capabilities and initializes the underlying
cryptographic backend. In order to free any resources 
taken by this call you should <a class="link" href="gnutls-gnutls.html#gnutls-global-deinit" title="gnutls_global_deinit ()"><code class="function">gnutls_global_deinit()</code></a> 
when gnutls usage is no longer needed.</p>
<p>This function increments a global counter, so that
<a class="link" href="gnutls-gnutls.html#gnutls-global-deinit" title="gnutls_global_deinit ()"><code class="function">gnutls_global_deinit()</code></a> only releases resources when it has been
called as many times as <a class="link" href="gnutls-gnutls.html#gnutls-global-init" title="gnutls_global_init ()"><code class="function">gnutls_global_init()</code></a>.  This is useful when
GnuTLS is used by more than one library in an application.  This
function can be called many times, but will only do something the
first time.</p>
<p>Since GnuTLS 3.3.0 this function is automatically called on library
constructor. Since the same version this function is also thread safe.
The automatic initialization can be avoided if the environment variable
<code class="literal">GNUTLS_NO_EXPLICIT_INIT</code> is set to be 1.</p>
<p>A subsequent call of this function if the initial has failed will
return the same error code.</p>
<div class="refsect3">
<a name="id-1.2.4.6.120.8"></a><h4>Returns</h4>
<p> On success, <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0) is returned,
otherwise a negative error code is returned.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-global-set-audit-log-function"></a><h3>gnutls_global_set_audit_log_function ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_global_set_audit_log_function (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-audit-log-func" title="gnutls_audit_log_func ()"><span class="type">gnutls_audit_log_func</span></a> log_func</code></em>);</pre>
<p>This is the function to set the audit logging function. This
is a function to report important issues, such as possible
attacks in the protocol. This is different from <a class="link" href="gnutls-gnutls.html#gnutls-global-set-log-function" title="gnutls_global_set_log_function ()"><code class="function">gnutls_global_set_log_function()</code></a>
because it will report also session-specific events. The session
parameter will be null if there is no corresponding TLS session.</p>
<p><em class="parameter"><code>gnutls_audit_log_func</code></em>
 is of the form,
void (*gnutls_audit_log_func)( gnutls_session_t, const char*);</p>
<div class="refsect3">
<a name="id-1.2.4.6.121.6"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>log_func</p></td>
<td class="parameter_description"><p>it is the audit log function</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<p class="since">Since: 3.0</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-global-set-log-function"></a><h3>gnutls_global_set_log_function ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_global_set_log_function (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-log-func" title="gnutls_log_func ()"><span class="type">gnutls_log_func</span></a> log_func</code></em>);</pre>
<p>This is the function where you set the logging function gnutls is
going to use.  This function only accepts a character array.
Normally you may not use this function since it is only used for
debugging purposes.</p>
<p><em class="parameter"><code>gnutls_log_func</code></em>
 is of the form,
void (*gnutls_log_func)( int level, const char*);</p>
<div class="refsect3">
<a name="id-1.2.4.6.122.6"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>log_func</p></td>
<td class="parameter_description"><p>it's a log function</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-global-set-log-level"></a><h3>gnutls_global_set_log_level ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_global_set_log_level (<em class="parameter"><code><span class="type">int</span> level</code></em>);</pre>
<p>This is the function that allows you to set the log level.  The
level is an integer between 0 and 9.  Higher values mean more
verbosity. The default value is 0.  Larger values should only be
used with care, since they may reveal sensitive information.</p>
<p>Use a log level over 10 to enable all debugging options.</p>
<div class="refsect3">
<a name="id-1.2.4.6.123.6"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>level</p></td>
<td class="parameter_description"><p>it's an integer from 0 to 99.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-global-set-mem-functions"></a><h3>gnutls_global_set_mem_functions ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_global_set_mem_functions (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-alloc-function" title="gnutls_alloc_function ()"><span class="type">gnutls_alloc_function</span></a> alloc_func</code></em>,
                                 <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-alloc-function" title="gnutls_alloc_function ()"><span class="type">gnutls_alloc_function</span></a> secure_alloc_func</code></em>,
                                 <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-is-secure-function" title="gnutls_is_secure_function ()"><span class="type">gnutls_is_secure_function</span></a> is_secure_func</code></em>,
                                 <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-realloc-function" title="gnutls_realloc_function ()"><span class="type">gnutls_realloc_function</span></a> realloc_func</code></em>,
                                 <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-free-function" title="gnutls_free_function ()"><span class="type">gnutls_free_function</span></a> free_func</code></em>);</pre>
<div class="warning">
<p><code class="literal">gnutls_global_set_mem_functions</code> is deprecated and should not be used in newly-written code.</p>
<p>since 3.3.0 it is no longer possible to replace the internally used 
 memory allocation functions</p>
<p>This is the function where you set the memory allocation functions
gnutls is going to use. By default the libc's allocation functions
(<code class="function">malloc()</code>, <code class="function">free()</code>), are used by gnutls, to allocate both sensitive
and not sensitive data.  This function is provided to set the
memory allocation functions to something other than the defaults</p>
<p>This function must be called before <a class="link" href="gnutls-gnutls.html#gnutls-global-init" title="gnutls_global_init ()"><code class="function">gnutls_global_init()</code></a> is called.
This function is not thread safe.</p>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.124.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>alloc_func</p></td>
<td class="parameter_description"><p>it's the default memory allocation function. Like <code class="function">malloc()</code>.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>secure_alloc_func</p></td>
<td class="parameter_description"><p>This is the memory allocation function that will be used for sensitive data.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>is_secure_func</p></td>
<td class="parameter_description"><p>a function that returns 0 if the memory given is not secure. May be NULL.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>realloc_func</p></td>
<td class="parameter_description"><p>A realloc function</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>free_func</p></td>
<td class="parameter_description"><p>The function that frees allocated data. Must accept a NULL pointer.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-global-set-mutex"></a><h3>gnutls_global_set_mutex ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_global_set_mutex (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#mutex-init-func" title="mutex_init_func ()"><span class="type">mutex_init_func</span></a> init</code></em>,
                         <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#mutex-deinit-func" title="mutex_deinit_func ()"><span class="type">mutex_deinit_func</span></a> deinit</code></em>,
                         <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#mutex-lock-func" title="mutex_lock_func ()"><span class="type">mutex_lock_func</span></a> lock</code></em>,
                         <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#mutex-unlock-func" title="mutex_unlock_func ()"><span class="type">mutex_unlock_func</span></a> unlock</code></em>);</pre>
<p>With this function you are allowed to override the default mutex
locks used in some parts of gnutls and dependent libraries. This function
should be used if you have complete control of your program and libraries.
Do not call this function from a library, or preferably from any application
unless really needed to. GnuTLS will use the appropriate locks for the running
system.</p>
<p>This function must be called prior to any other gnutls function.</p>
<div class="refsect3">
<a name="id-1.2.4.6.125.6"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>init</p></td>
<td class="parameter_description"><p>mutex initialization function</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>deinit</p></td>
<td class="parameter_description"><p>mutex deinitialization function</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>lock</p></td>
<td class="parameter_description"><p>mutex locking function</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>unlock</p></td>
<td class="parameter_description"><p>mutex unlocking function</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: 2.12.0</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-global-set-time-function"></a><h3>gnutls_global_set_time_function ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_global_set_time_function (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-time-func" title="gnutls_time_func ()"><span class="type">gnutls_time_func</span></a> time_func</code></em>);</pre>
<p>This is the function where you can override the default system time
function.  The application provided function should behave the same
as the standard function.</p>
<div class="refsect3">
<a name="id-1.2.4.6.126.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>time_func</p></td>
<td class="parameter_description"><p>it's the system time function, a <a class="link" href="gnutls-gnutls.html#gnutls-time-func" title="gnutls_time_func ()"><code class="function">gnutls_time_func()</code></a> callback.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<p class="since">Since: 2.12.0</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-handshake"></a><h3>gnutls_handshake ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_handshake (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>);</pre>
<p>This function does the handshake of the TLS/SSL protocol, and
initializes the TLS connection.</p>
<p>This function will fail if any problem is encountered, and will
return a negative error code. In case of a client, if the client
has asked to resume a session, but the server couldn't, then a
full handshake will be performed.</p>
<p>The non-fatal errors expected by this function are:
<a class="link" href="gnutls-gnutls.html#GNUTLS-E-INTERRUPTED:CAPS" title="GNUTLS_E_INTERRUPTED"><code class="literal">GNUTLS_E_INTERRUPTED</code></a>, <a class="link" href="gnutls-gnutls.html#GNUTLS-E-AGAIN:CAPS" title="GNUTLS_E_AGAIN"><code class="literal">GNUTLS_E_AGAIN</code></a>, 
<a class="link" href="gnutls-gnutls.html#GNUTLS-E-WARNING-ALERT-RECEIVED:CAPS" title="GNUTLS_E_WARNING_ALERT_RECEIVED"><code class="literal">GNUTLS_E_WARNING_ALERT_RECEIVED</code></a>, and <a class="link" href="gnutls-gnutls.html#GNUTLS-E-GOT-APPLICATION-DATA:CAPS" title="GNUTLS_E_GOT_APPLICATION_DATA"><code class="literal">GNUTLS_E_GOT_APPLICATION_DATA</code></a>,
the latter only in a case of rehandshake.</p>
<p>The former two interrupt the handshake procedure due to the lower
layer being interrupted, and the latter because of an alert that
may be sent by a server (it is always a good idea to check any
received alerts). On these errors call this function again, until it
returns 0; cf.  <a class="link" href="gnutls-gnutls.html#gnutls-record-get-direction" title="gnutls_record_get_direction ()"><code class="function">gnutls_record_get_direction()</code></a> and
<a class="link" href="gnutls-gnutls.html#gnutls-error-is-fatal" title="gnutls_error_is_fatal ()"><code class="function">gnutls_error_is_fatal()</code></a>. In DTLS sessions the non-fatal error
<a class="link" href="gnutls-gnutls.html#GNUTLS-E-LARGE-PACKET:CAPS" title="GNUTLS_E_LARGE_PACKET"><code class="literal">GNUTLS_E_LARGE_PACKET</code></a> is also possible, and indicates that
the MTU should be adjusted.</p>
<p>If this function is called by a server after a rehandshake request
then <a class="link" href="gnutls-gnutls.html#GNUTLS-E-GOT-APPLICATION-DATA:CAPS" title="GNUTLS_E_GOT_APPLICATION_DATA"><code class="literal">GNUTLS_E_GOT_APPLICATION_DATA</code></a> or
<a class="link" href="gnutls-gnutls.html#GNUTLS-E-WARNING-ALERT-RECEIVED:CAPS" title="GNUTLS_E_WARNING_ALERT_RECEIVED"><code class="literal">GNUTLS_E_WARNING_ALERT_RECEIVED</code></a> may be returned.  Note that these
are non fatal errors, only in the specific case of a rehandshake.
Their meaning is that the client rejected the rehandshake request or
in the case of <a class="link" href="gnutls-gnutls.html#GNUTLS-E-GOT-APPLICATION-DATA:CAPS" title="GNUTLS_E_GOT_APPLICATION_DATA"><code class="literal">GNUTLS_E_GOT_APPLICATION_DATA</code></a> it could also mean that
some data were pending. A client may receive that error code if
it initiates the handshake and the server doesn't agreed.</p>
<div class="refsect3">
<a name="id-1.2.4.6.127.9"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.127.10"></a><h4>Returns</h4>
<p> <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> on success, otherwise a negative error code.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-handshake-get-last-in"></a><h3>gnutls_handshake_get_last_in ()</h3>
<pre class="programlisting"><a class="link" href="gnutls-gnutls.html#gnutls-handshake-description-t" title="enum gnutls_handshake_description_t"><span class="returnvalue">gnutls_handshake_description_t</span></a>
gnutls_handshake_get_last_in (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>);</pre>
<p>This function is only useful to check where the last performed
handshake failed.  If the previous handshake succeed or was not
performed at all then no meaningful value will be returned.</p>
<p>Check <a class="link" href="gnutls-gnutls.html#gnutls-handshake-description-t" title="enum gnutls_handshake_description_t"><code class="literal">gnutls_handshake_description_t</code></a> in gnutls.h for the
available handshake descriptions.</p>
<div class="refsect3">
<a name="id-1.2.4.6.128.6"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.128.7"></a><h4>Returns</h4>
<p> the last handshake message type received, a
<a class="link" href="gnutls-gnutls.html#gnutls-handshake-description-t" title="enum gnutls_handshake_description_t"><code class="literal">gnutls_handshake_description_t</code></a>.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-handshake-get-last-out"></a><h3>gnutls_handshake_get_last_out ()</h3>
<pre class="programlisting"><a class="link" href="gnutls-gnutls.html#gnutls-handshake-description-t" title="enum gnutls_handshake_description_t"><span class="returnvalue">gnutls_handshake_description_t</span></a>
gnutls_handshake_get_last_out (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>);</pre>
<p>This function is only useful to check where the last performed
handshake failed.  If the previous handshake succeed or was not
performed at all then no meaningful value will be returned.</p>
<p>Check <a class="link" href="gnutls-gnutls.html#gnutls-handshake-description-t" title="enum gnutls_handshake_description_t"><code class="literal">gnutls_handshake_description_t</code></a> in gnutls.h for the
available handshake descriptions.</p>
<div class="refsect3">
<a name="id-1.2.4.6.129.6"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.129.7"></a><h4>Returns</h4>
<p> the last handshake message type sent, a
<a class="link" href="gnutls-gnutls.html#gnutls-handshake-description-t" title="enum gnutls_handshake_description_t"><code class="literal">gnutls_handshake_description_t</code></a>.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-handshake-post-client-hello-func"></a><h3>gnutls_handshake_post_client_hello_func ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
<span class="c_punctuation">(</span>*gnutls_handshake_post_client_hello_func<span class="c_punctuation">)</span>
                               (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> Param1</code></em>);</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-handshake-set-max-packet-length"></a><h3>gnutls_handshake_set_max_packet_length ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_handshake_set_max_packet_length
                               (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>,
                                <em class="parameter"><code><span class="type">size_t</span> max</code></em>);</pre>
<p>This function will set the maximum size of all handshake messages.
Handshakes over this size are rejected with
<a class="link" href="gnutls-gnutls.html#GNUTLS-E-HANDSHAKE-TOO-LARGE:CAPS" title="GNUTLS_E_HANDSHAKE_TOO_LARGE"><code class="literal">GNUTLS_E_HANDSHAKE_TOO_LARGE</code></a> error code.  The default value is
48kb which is typically large enough.  Set this to 0 if you do not
want to set an upper limit.</p>
<p>The reason for restricting the handshake message sizes are to
limit Denial of Service attacks.</p>
<div class="refsect3">
<a name="id-1.2.4.6.131.6"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>max</p></td>
<td class="parameter_description"><p>is the maximum number.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-handshake-set-post-client-hello-function"></a><h3>gnutls_handshake_set_post_client_hello_function ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_handshake_set_post_client_hello_function
                               (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>,
                                <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-handshake-post-client-hello-func" title="gnutls_handshake_post_client_hello_func ()"><span class="type">gnutls_handshake_post_client_hello_func</span></a> func</code></em>);</pre>
<p>This function will set a callback to be called after the client
hello has been received (callback valid in server side only). This
allows the server to adjust settings based on received extensions.</p>
<p>Those settings could be ciphersuites, requesting certificate, or
anything else except for version negotiation (this is done before
the hello message is parsed).</p>
<p>This callback must return 0 on success or a gnutls error code to
terminate the handshake.</p>
<p>Since GnuTLS 3.3.5 the callback is
allowed to return <a class="link" href="gnutls-gnutls.html#GNUTLS-E-AGAIN:CAPS" title="GNUTLS_E_AGAIN"><code class="literal">GNUTLS_E_AGAIN</code></a> or <a class="link" href="gnutls-gnutls.html#GNUTLS-E-INTERRUPTED:CAPS" title="GNUTLS_E_INTERRUPTED"><code class="literal">GNUTLS_E_INTERRUPTED</code></a> to
put the handshake on hold. In that case <a class="link" href="gnutls-gnutls.html#gnutls-handshake" title="gnutls_handshake ()"><code class="function">gnutls_handshake()</code></a>
will return <a class="link" href="gnutls-gnutls.html#GNUTLS-E-INTERRUPTED:CAPS" title="GNUTLS_E_INTERRUPTED"><code class="literal">GNUTLS_E_INTERRUPTED</code></a> and can be resumed when needed.</p>
<p>Warning: You should not use this function to terminate the
handshake based on client input unless you know what you are
doing. Before the handshake is finished there is no way to know if
there is a man-in-the-middle attack being performed.</p>
<div class="refsect3">
<a name="id-1.2.4.6.132.9"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>func</p></td>
<td class="parameter_description"><p>is the function to be called</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-handshake-set-private-extensions"></a><h3>gnutls_handshake_set_private_extensions ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_handshake_set_private_extensions
                               (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>,
                                <em class="parameter"><code><span class="type">int</span> allow</code></em>);</pre>
<p>This function will enable or disable the use of private cipher
suites (the ones that start with 0xFF).  By default or if <em class="parameter"><code>allow</code></em>

is 0 then these cipher suites will not be advertised nor used.</p>
<p>Currently GnuTLS does not include such cipher-suites or
compression algorithms.</p>
<p>Enabling the private ciphersuites when talking to other than
gnutls servers and clients may cause interoperability problems.</p>
<div class="refsect3">
<a name="id-1.2.4.6.133.7"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>allow</p></td>
<td class="parameter_description"><p>is an integer (0 or 1)</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-handshake-set-timeout"></a><h3>gnutls_handshake_set_timeout ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_handshake_set_timeout (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>,
                              <em class="parameter"><code>unsigned <span class="type">int</span> ms</code></em>);</pre>
<p>This function sets the timeout for the TLS handshake process
to the provided value. Use an <em class="parameter"><code>ms</code></em>
 value of zero to disable
timeout, or <a class="link" href="gnutls-gnutls.html#GNUTLS-DEFAULT-HANDSHAKE-TIMEOUT:CAPS" title="GNUTLS_DEFAULT_HANDSHAKE_TIMEOUT"><code class="literal">GNUTLS_DEFAULT_HANDSHAKE_TIMEOUT</code></a> for a reasonable
default value. For the DTLS protocol, the more detailed
<a class="link" href="gnutls-dtls.html#gnutls-dtls-set-timeouts" title="gnutls_dtls_set_timeouts ()"><code class="function">gnutls_dtls_set_timeouts()</code></a> is provided.</p>
<p>This function requires to set a pull timeout callback. See
<a class="link" href="gnutls-gnutls.html#gnutls-transport-set-pull-timeout-function" title="gnutls_transport_set_pull_timeout_function ()"><code class="function">gnutls_transport_set_pull_timeout_function()</code></a>.</p>
<div class="refsect3">
<a name="id-1.2.4.6.134.6"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>ms</p></td>
<td class="parameter_description"><p>is a timeout value in milliseconds</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: 3.1.0</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-heartbeat-allowed"></a><h3>gnutls_heartbeat_allowed ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_heartbeat_allowed (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>,
                          <em class="parameter"><code>unsigned <span class="type">int</span> type</code></em>);</pre>
<p>This function will check whether heartbeats are allowed
to be sent or received in this session.</p>
<div class="refsect3">
<a name="id-1.2.4.6.135.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>type</p></td>
<td class="parameter_description"><p>one of <a class="link" href="gnutls-gnutls.html#GNUTLS-HB-LOCAL-ALLOWED-TO-SEND:CAPS" title="GNUTLS_HB_LOCAL_ALLOWED_TO_SEND"><code class="literal">GNUTLS_HB_LOCAL_ALLOWED_TO_SEND</code></a> and <a class="link" href="gnutls-gnutls.html#GNUTLS-HB-PEER-ALLOWED-TO-SEND:CAPS" title="GNUTLS_HB_PEER_ALLOWED_TO_SEND"><code class="literal">GNUTLS_HB_PEER_ALLOWED_TO_SEND</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.135.6"></a><h4>Returns</h4>
<p> Non zero if heartbeats are allowed.</p>
</div>
<p class="since">Since: 3.1.2</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-heartbeat-enable"></a><h3>gnutls_heartbeat_enable ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_heartbeat_enable (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>,
                         <em class="parameter"><code>unsigned <span class="type">int</span> type</code></em>);</pre>
<p>If this function is called with the <a class="link" href="gnutls-gnutls.html#GNUTLS-HB-PEER-ALLOWED-TO-SEND:CAPS" title="GNUTLS_HB_PEER_ALLOWED_TO_SEND"><code class="literal">GNUTLS_HB_PEER_ALLOWED_TO_SEND</code></a>
<em class="parameter"><code>type</code></em>
, GnuTLS will allow heartbeat messages to be received. Moreover it also
request the peer to accept heartbeat messages.</p>
<p>If the <em class="parameter"><code>type</code></em>
 used is <a class="link" href="gnutls-gnutls.html#GNUTLS-HB-LOCAL-ALLOWED-TO-SEND:CAPS" title="GNUTLS_HB_LOCAL_ALLOWED_TO_SEND"><code class="literal">GNUTLS_HB_LOCAL_ALLOWED_TO_SEND</code></a>, then the peer
will be asked to accept heartbeat messages but not send ones.</p>
<p>The function <a class="link" href="gnutls-gnutls.html#gnutls-heartbeat-allowed" title="gnutls_heartbeat_allowed ()"><code class="function">gnutls_heartbeat_allowed()</code></a> can be used to test Whether
locally generated heartbeat messages can be accepted by the peer.</p>
<div class="refsect3">
<a name="id-1.2.4.6.136.7"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>type</p></td>
<td class="parameter_description"><p>one of the GNUTLS_HB_* flags</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: 3.1.2</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-heartbeat-get-timeout"></a><h3>gnutls_heartbeat_get_timeout ()</h3>
<pre class="programlisting">unsigned <span class="returnvalue">int</span>
gnutls_heartbeat_get_timeout (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>);</pre>
<p>This function will return the milliseconds remaining
for a retransmission of the previously sent ping
message. This function is useful when ping is used in
non-blocking mode, to estimate when to call <a class="link" href="gnutls-gnutls.html#gnutls-heartbeat-ping" title="gnutls_heartbeat_ping ()"><code class="function">gnutls_heartbeat_ping()</code></a>
if no packets have been received.</p>
<div class="refsect3">
<a name="id-1.2.4.6.137.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.137.6"></a><h4>Returns</h4>
<p> the remaining time in milliseconds.</p>
</div>
<p class="since">Since: 3.1.2</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-heartbeat-ping"></a><h3>gnutls_heartbeat_ping ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_heartbeat_ping (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>,
                       <em class="parameter"><code><span class="type">size_t</span> data_size</code></em>,
                       <em class="parameter"><code>unsigned <span class="type">int</span> max_tries</code></em>,
                       <em class="parameter"><code>unsigned <span class="type">int</span> flags</code></em>);</pre>
<p>This function sends a ping to the peer. If the <em class="parameter"><code>flags</code></em>
 is set
to <a class="link" href="gnutls-gnutls.html#GNUTLS-HEARTBEAT-WAIT:CAPS" title="GNUTLS_HEARTBEAT_WAIT"><code class="literal">GNUTLS_HEARTBEAT_WAIT</code></a> then it waits for a reply from the peer.</p>
<p>Note that it is highly recommended to use this function with the
flag <a class="link" href="gnutls-gnutls.html#GNUTLS-HEARTBEAT-WAIT:CAPS" title="GNUTLS_HEARTBEAT_WAIT"><code class="literal">GNUTLS_HEARTBEAT_WAIT</code></a>, or you need to handle retransmissions
and timeouts manually.</p>
<div class="refsect3">
<a name="id-1.2.4.6.138.6"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>data_size</p></td>
<td class="parameter_description"><p>is the length of the ping payload.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>max_tries</p></td>
<td class="parameter_description"><p>if flags is <a class="link" href="gnutls-gnutls.html#GNUTLS-HEARTBEAT-WAIT:CAPS" title="GNUTLS_HEARTBEAT_WAIT"><code class="literal">GNUTLS_HEARTBEAT_WAIT</code></a> then this sets the number of retransmissions. Use zero for indefinite (until timeout).</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>flags</p></td>
<td class="parameter_description"><p>if <a class="link" href="gnutls-gnutls.html#GNUTLS-HEARTBEAT-WAIT:CAPS" title="GNUTLS_HEARTBEAT_WAIT"><code class="literal">GNUTLS_HEARTBEAT_WAIT</code></a> then wait for pong or timeout instead of returning immediately.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.138.7"></a><h4>Returns</h4>
<p> <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> on success, otherwise a negative error code.</p>
</div>
<p class="since">Since: 3.1.2</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-heartbeat-pong"></a><h3>gnutls_heartbeat_pong ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_heartbeat_pong (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>,
                       <em class="parameter"><code>unsigned <span class="type">int</span> flags</code></em>);</pre>
<p>This function replies to a ping by sending a pong to the peer.</p>
<div class="refsect3">
<a name="id-1.2.4.6.139.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>flags</p></td>
<td class="parameter_description"><p>should be zero</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.139.6"></a><h4>Returns</h4>
<p> <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> on success, otherwise a negative error code.</p>
</div>
<p class="since">Since: 3.1.2</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-heartbeat-set-timeouts"></a><h3>gnutls_heartbeat_set_timeouts ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_heartbeat_set_timeouts (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>,
                               <em class="parameter"><code>unsigned <span class="type">int</span> retrans_timeout</code></em>,
                               <em class="parameter"><code>unsigned <span class="type">int</span> total_timeout</code></em>);</pre>
<p>This function will override the timeouts for the DTLS heartbeat
protocol. The retransmission timeout is the time after which a
message from the peer is not received, the previous request will
be retransmitted. The total timeout is the time after which the
handshake will be aborted with <a class="link" href="gnutls-gnutls.html#GNUTLS-E-TIMEDOUT:CAPS" title="GNUTLS_E_TIMEDOUT"><code class="literal">GNUTLS_E_TIMEDOUT</code></a>.</p>
<div class="refsect3">
<a name="id-1.2.4.6.140.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>retrans_timeout</p></td>
<td class="parameter_description"><p>The time at which a retransmission will occur in milliseconds</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>total_timeout</p></td>
<td class="parameter_description"><p>The time at which the connection will be aborted, in milliseconds.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: 3.1.2</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-hex2bin"></a><h3>gnutls_hex2bin ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_hex2bin (<em class="parameter"><code>const <span class="type">char</span> *hex_data</code></em>,
                <em class="parameter"><code><span class="type">size_t</span> hex_size</code></em>,
                <em class="parameter"><code><span class="type">void</span> *bin_data</code></em>,
                <em class="parameter"><code><span class="type">size_t</span> *bin_size</code></em>);</pre>
<p>Convert a buffer with hex data to binary data. This function
unlike <a class="link" href="gnutls-gnutls.html#gnutls-hex-decode" title="gnutls_hex_decode ()"><code class="function">gnutls_hex_decode()</code></a> can parse hex data with separators
between numbers. That is, it ignores any non-hex characters.</p>
<div class="refsect3">
<a name="id-1.2.4.6.141.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>hex_data</p></td>
<td class="parameter_description"><p>string with data in hex format</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>hex_size</p></td>
<td class="parameter_description"><p>size of hex data</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>bin_data</p></td>
<td class="parameter_description"><p>output array with binary data</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>bin_size</p></td>
<td class="parameter_description"><p>when calling should hold maximum size of <em class="parameter"><code>bin_data</code></em>
,
on return will hold actual length of <em class="parameter"><code>bin_data</code></em>
.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.141.6"></a><h4>Returns</h4>
<p> <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> on success, otherwise a negative error code.</p>
</div>
<p class="since">Since: 2.4.0</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-hex-decode"></a><h3>gnutls_hex_decode ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_hex_decode (<em class="parameter"><code>const <span class="type">gnutls_datum_t</span> *hex_data</code></em>,
                   <em class="parameter"><code><span class="type">void</span> *result</code></em>,
                   <em class="parameter"><code><span class="type">size_t</span> *result_size</code></em>);</pre>
<p>This function will decode the given encoded data, using the hex
encoding used by PSK password files.</p>
<p>Initially <em class="parameter"><code>result_size</code></em>
 must hold the maximum size available in
<em class="parameter"><code>result</code></em>
, and on return it will contain the number of bytes written.</p>
<div class="refsect3">
<a name="id-1.2.4.6.142.6"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>hex_data</p></td>
<td class="parameter_description"><p>contain the encoded data</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>result</p></td>
<td class="parameter_description"><p>the place where decoded data will be copied</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>result_size</p></td>
<td class="parameter_description"><p>holds the size of the result</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.142.7"></a><h4>Returns</h4>
<p> <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SHORT-MEMORY-BUFFER:CAPS" title="GNUTLS_E_SHORT_MEMORY_BUFFER"><code class="literal">GNUTLS_E_SHORT_MEMORY_BUFFER</code></a> if the buffer given is not
long enough, <a class="link" href="gnutls-gnutls.html#GNUTLS-E-PARSING-ERROR:CAPS" title="GNUTLS_E_PARSING_ERROR"><code class="literal">GNUTLS_E_PARSING_ERROR</code></a> on invalid hex data, or 0 on success.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-hex-encode"></a><h3>gnutls_hex_encode ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_hex_encode (<em class="parameter"><code>const <span class="type">gnutls_datum_t</span> *data</code></em>,
                   <em class="parameter"><code><span class="type">char</span> *result</code></em>,
                   <em class="parameter"><code><span class="type">size_t</span> *result_size</code></em>);</pre>
<p>This function will convert the given data to printable data, using
the hex encoding, as used in the PSK password files.</p>
<p>Note that the size of the result includes the null terminator.</p>
<div class="refsect3">
<a name="id-1.2.4.6.143.6"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>data</p></td>
<td class="parameter_description"><p>contain the raw data</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>result</p></td>
<td class="parameter_description"><p>the place where hex data will be copied</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>result_size</p></td>
<td class="parameter_description"><p>holds the size of the result</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.143.7"></a><h4>Returns</h4>
<p> <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SHORT-MEMORY-BUFFER:CAPS" title="GNUTLS_E_SHORT_MEMORY_BUFFER"><code class="literal">GNUTLS_E_SHORT_MEMORY_BUFFER</code></a> if the buffer given is not
long enough, or 0 on success.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-init"></a><h3>gnutls_init ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_init (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> *session</code></em>,
             <em class="parameter"><code>unsigned <span class="type">int</span> flags</code></em>);</pre>
<p>This function initializes the current session to null. Every
session must be initialized before use, so internal structures can
be allocated.  This function allocates structures which can only
be free'd by calling <a class="link" href="gnutls-gnutls.html#gnutls-deinit" title="gnutls_deinit ()"><code class="function">gnutls_deinit()</code></a>.  Returns <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0) on success.</p>
<p><em class="parameter"><code>flags</code></em>
 can be one of <a class="link" href="gnutls-gnutls.html#GNUTLS-CLIENT:CAPS" title="GNUTLS_CLIENT"><code class="literal">GNUTLS_CLIENT</code></a>, <a class="link" href="gnutls-gnutls.html#GNUTLS-SERVER:CAPS" title="GNUTLS_SERVER"><code class="literal">GNUTLS_SERVER</code></a>, <a class="link" href="gnutls-gnutls.html#GNUTLS-DATAGRAM:CAPS" title="GNUTLS_DATAGRAM"><code class="literal">GNUTLS_DATAGRAM</code></a>,
<a class="link" href="gnutls-gnutls.html#GNUTLS-NONBLOCK:CAPS" title="GNUTLS_NONBLOCK"><code class="literal">GNUTLS_NONBLOCK</code></a> or <code class="literal">GNUTLS_NOSIGNAL</code> (since 3.4.2).</p>
<p>The flag <code class="literal">GNUTLS_NO_REPLAY_PROTECTION</code> will disable any 
replay protection in DTLS mode. That must only used when 
replay protection is achieved using other means.</p>
<p>Note that since version 3.1.2 this function enables some common
TLS extensions such as session tickets and OCSP certificate status
request in client side by default. To prevent that use the <a class="link" href="gnutls-gnutls.html#GNUTLS-NO-EXTENSIONS:CAPS" title="GNUTLS_NO_EXTENSIONS"><code class="literal">GNUTLS_NO_EXTENSIONS</code></a>
flag.</p>
<div class="refsect3">
<a name="id-1.2.4.6.144.8"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a pointer to a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>flags</p></td>
<td class="parameter_description"><p>indicate if this session is to be used for server or client.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.144.9"></a><h4>Returns</h4>
<p> <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> on success, or an error code.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-is-secure-function"></a><h3>gnutls_is_secure_function ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
<span class="c_punctuation">(</span>*gnutls_is_secure_function<span class="c_punctuation">)</span> (<em class="parameter"><code>const <span class="type">void</span> *Param1</code></em>);</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-key-generate"></a><h3>gnutls_key_generate ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_key_generate (<em class="parameter"><code><span class="type">gnutls_datum_t</span> *key</code></em>,
                     <em class="parameter"><code>unsigned <span class="type">int</span> key_size</code></em>);</pre>
<p>Generates a random key of <em class="parameter"><code>key_size</code></em>
 bytes.</p>
<div class="refsect3">
<a name="id-1.2.4.6.146.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>key</p></td>
<td class="parameter_description"><p>is a pointer to a <span class="type">gnutls_datum_t</span> which will contain a newly
created key</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>key_size</p></td>
<td class="parameter_description"><p>the number of bytes of the key</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.146.6"></a><h4>Returns</h4>
<p> On success, <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0) is returned, or an
error code.</p>
</div>
<p class="since">Since: 3.0</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-kx-get"></a><h3>gnutls_kx_get ()</h3>
<pre class="programlisting"><a class="link" href="gnutls-gnutls.html#gnutls-kx-algorithm-t" title="enum gnutls_kx_algorithm_t"><span class="returnvalue">gnutls_kx_algorithm_t</span></a>
gnutls_kx_get (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>);</pre>
<p>Get currently used key exchange algorithm.</p>
<div class="refsect3">
<a name="id-1.2.4.6.147.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.147.6"></a><h4>Returns</h4>
<p> the key exchange algorithm used in the last handshake, a
<a class="link" href="gnutls-gnutls.html#gnutls-kx-algorithm-t" title="enum gnutls_kx_algorithm_t"><span class="type">gnutls_kx_algorithm_t</span></a> value.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-kx-get-id"></a><h3>gnutls_kx_get_id ()</h3>
<pre class="programlisting"><a class="link" href="gnutls-gnutls.html#gnutls-kx-algorithm-t" title="enum gnutls_kx_algorithm_t"><span class="returnvalue">gnutls_kx_algorithm_t</span></a>
gnutls_kx_get_id (<em class="parameter"><code>const <span class="type">char</span> *name</code></em>);</pre>
<p>Convert a string to a <a class="link" href="gnutls-gnutls.html#gnutls-kx-algorithm-t" title="enum gnutls_kx_algorithm_t"><span class="type">gnutls_kx_algorithm_t</span></a> value.  The names are
compared in a case insensitive way.</p>
<div class="refsect3">
<a name="id-1.2.4.6.148.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>name</p></td>
<td class="parameter_description"><p>is a KX name</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.148.6"></a><h4>Returns</h4>
<p> an id of the specified KX algorithm, or <a class="link" href="gnutls-gnutls.html#GNUTLS-KX-UNKNOWN:CAPS"><code class="literal">GNUTLS_KX_UNKNOWN</code></a>
on error.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-kx-get-name"></a><h3>gnutls_kx_get_name ()</h3>
<pre class="programlisting">const <span class="returnvalue">char</span> *
gnutls_kx_get_name (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-kx-algorithm-t" title="enum gnutls_kx_algorithm_t"><span class="type">gnutls_kx_algorithm_t</span></a> algorithm</code></em>);</pre>
<p>Convert a <a class="link" href="gnutls-gnutls.html#gnutls-kx-algorithm-t" title="enum gnutls_kx_algorithm_t"><span class="type">gnutls_kx_algorithm_t</span></a> value to a string.</p>
<div class="refsect3">
<a name="id-1.2.4.6.149.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>algorithm</p></td>
<td class="parameter_description"><p>is a key exchange algorithm</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.149.6"></a><h4>Returns</h4>
<p> a pointer to a string that contains the name of the
specified key exchange algorithm, or <code class="literal">NULL</code>.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-kx-list"></a><h3>gnutls_kx_list ()</h3>
<pre class="programlisting">const <a class="link" href="gnutls-gnutls.html#gnutls-kx-algorithm-t" title="enum gnutls_kx_algorithm_t"><span class="returnvalue">gnutls_kx_algorithm_t</span></a> *
gnutls_kx_list (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>Get a list of supported key exchange algorithms.</p>
<p>This function is not thread safe.</p>
<div class="refsect3">
<a name="id-1.2.4.6.150.6"></a><h4>Returns</h4>
<p> a (0)-terminated list of <a class="link" href="gnutls-gnutls.html#gnutls-kx-algorithm-t" title="enum gnutls_kx_algorithm_t"><span class="type">gnutls_kx_algorithm_t</span></a> integers
indicating the available key exchange algorithms.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-load-file"></a><h3>gnutls_load_file ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_load_file (<em class="parameter"><code>const <span class="type">char</span> *filename</code></em>,
                  <em class="parameter"><code><span class="type">gnutls_datum_t</span> *data</code></em>);</pre>
<p>This function will load a file into a datum. The data are
zero terminated but the terminating null is not included in length.
The returned data are allocated using <a href="/usr/share/gtk-doc/html/gnutls/gnutls-gnutls.html#gnutls-malloc"><code class="function">gnutls_malloc()</code></a>.</p>
<div class="refsect3">
<a name="id-1.2.4.6.151.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>filename</p></td>
<td class="parameter_description"><p>the name of the file to load</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>data</p></td>
<td class="parameter_description"><p>Where the file will be stored</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.151.6"></a><h4>Returns</h4>
<p> On success, <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0) is returned, otherwise
an error code is returned.</p>
<p>Since 3.1.0</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-log-func"></a><h3>gnutls_log_func ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
<span class="c_punctuation">(</span>*gnutls_log_func<span class="c_punctuation">)</span> (<em class="parameter"><code><span class="type">int</span> Param1</code></em>,
                    <em class="parameter"><code>const <span class="type">char</span> *Param2</code></em>);</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-mac-get"></a><h3>gnutls_mac_get ()</h3>
<pre class="programlisting"><a class="link" href="gnutls-gnutls.html#gnutls-mac-algorithm-t" title="enum gnutls_mac_algorithm_t"><span class="returnvalue">gnutls_mac_algorithm_t</span></a>
gnutls_mac_get (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>);</pre>
<p>Get currently used MAC algorithm.</p>
<div class="refsect3">
<a name="id-1.2.4.6.153.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.153.6"></a><h4>Returns</h4>
<p> the currently used mac algorithm, a
<a class="link" href="gnutls-gnutls.html#gnutls-mac-algorithm-t" title="enum gnutls_mac_algorithm_t"><span class="type">gnutls_mac_algorithm_t</span></a> value.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-mac-get-id"></a><h3>gnutls_mac_get_id ()</h3>
<pre class="programlisting"><a class="link" href="gnutls-gnutls.html#gnutls-mac-algorithm-t" title="enum gnutls_mac_algorithm_t"><span class="returnvalue">gnutls_mac_algorithm_t</span></a>
gnutls_mac_get_id (<em class="parameter"><code>const <span class="type">char</span> *name</code></em>);</pre>
<p>Convert a string to a <a class="link" href="gnutls-gnutls.html#gnutls-mac-algorithm-t" title="enum gnutls_mac_algorithm_t"><span class="type">gnutls_mac_algorithm_t</span></a> value.  The names are
compared in a case insensitive way.</p>
<div class="refsect3">
<a name="id-1.2.4.6.154.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>name</p></td>
<td class="parameter_description"><p>is a MAC algorithm name</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.154.6"></a><h4>Returns</h4>
<p> a <a class="link" href="gnutls-gnutls.html#gnutls-mac-algorithm-t" title="enum gnutls_mac_algorithm_t"><span class="type">gnutls_mac_algorithm_t</span></a> id of the specified MAC
algorithm string, or <a class="link" href="gnutls-gnutls.html#GNUTLS-MAC-UNKNOWN:CAPS"><code class="literal">GNUTLS_MAC_UNKNOWN</code></a> on failure.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-mac-get-key-size"></a><h3>gnutls_mac_get_key_size ()</h3>
<pre class="programlisting"><span class="returnvalue">size_t</span>
gnutls_mac_get_key_size (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-mac-algorithm-t" title="enum gnutls_mac_algorithm_t"><span class="type">gnutls_mac_algorithm_t</span></a> algorithm</code></em>);</pre>
<p>Returns the size of the MAC key used in TLS.</p>
<div class="refsect3">
<a name="id-1.2.4.6.155.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>algorithm</p></td>
<td class="parameter_description"><p>is an encryption algorithm</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.155.6"></a><h4>Returns</h4>
<p> length (in bytes) of the given MAC key size, or 0 if the
given MAC algorithm is invalid.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-mac-get-name"></a><h3>gnutls_mac_get_name ()</h3>
<pre class="programlisting">const <span class="returnvalue">char</span> *
gnutls_mac_get_name (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-mac-algorithm-t" title="enum gnutls_mac_algorithm_t"><span class="type">gnutls_mac_algorithm_t</span></a> algorithm</code></em>);</pre>
<p>Convert a <a class="link" href="gnutls-gnutls.html#gnutls-mac-algorithm-t" title="enum gnutls_mac_algorithm_t"><span class="type">gnutls_mac_algorithm_t</span></a> value to a string.</p>
<div class="refsect3">
<a name="id-1.2.4.6.156.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>algorithm</p></td>
<td class="parameter_description"><p>is a MAC algorithm</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.156.6"></a><h4>Returns</h4>
<p> a string that contains the name of the specified MAC
algorithm, or <code class="literal">NULL</code>.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-mac-list"></a><h3>gnutls_mac_list ()</h3>
<pre class="programlisting">const <a class="link" href="gnutls-gnutls.html#gnutls-mac-algorithm-t" title="enum gnutls_mac_algorithm_t"><span class="returnvalue">gnutls_mac_algorithm_t</span></a> *
gnutls_mac_list (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>Get a list of hash algorithms for use as MACs.  Note that not
necessarily all MACs are supported in TLS cipher suites.  
This function is not thread safe.</p>
<div class="refsect3">
<a name="id-1.2.4.6.157.5"></a><h4>Returns</h4>
<p> Return a (0)-terminated list of <a class="link" href="gnutls-gnutls.html#gnutls-mac-algorithm-t" title="enum gnutls_mac_algorithm_t"><span class="type">gnutls_mac_algorithm_t</span></a>
integers indicating the available MACs.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-ocsp-status-request-enable-client"></a><h3>gnutls_ocsp_status_request_enable_client ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_ocsp_status_request_enable_client
                               (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>,
                                <em class="parameter"><code><span class="type">gnutls_datum_t</span> *responder_id</code></em>,
                                <em class="parameter"><code><span class="type">size_t</span> responder_id_size</code></em>,
                                <em class="parameter"><code><span class="type">gnutls_datum_t</span> *request_extensions</code></em>);</pre>
<p>This function is to be used by clients to request OCSP response
from the server, using the "status_request" TLS extension.  Only
OCSP status type is supported. A typical server has a single
OCSP response cached, so <em class="parameter"><code>responder_id</code></em>
 and <em class="parameter"><code>extensions</code></em>

should be null.</p>
<div class="refsect3">
<a name="id-1.2.4.6.158.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>responder_id</p></td>
<td class="parameter_description"><p>array with <span class="type">gnutls_datum_t</span> with DER data of responder id</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>responder_id_size</p></td>
<td class="parameter_description"><p>number of members in <em class="parameter"><code>responder_id</code></em>
array</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.158.6"></a><h4>Returns</h4>
<p> On success, <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0) is returned,
otherwise a negative error code is returned.</p>
</div>
<p class="since">Since: 3.1.3</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-ocsp-status-request-get"></a><h3>gnutls_ocsp_status_request_get ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_ocsp_status_request_get (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>,
                                <em class="parameter"><code><span class="type">gnutls_datum_t</span> *response</code></em>);</pre>
<p>This function returns the OCSP status response received
from the TLS server. The <em class="parameter"><code>response</code></em>
 should be treated as
constant. If no OCSP response is available then
<a class="link" href="gnutls-gnutls.html#GNUTLS-E-REQUESTED-DATA-NOT-AVAILABLE:CAPS" title="GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE"><code class="literal">GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE</code></a> is returned.</p>
<div class="refsect3">
<a name="id-1.2.4.6.159.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>response</p></td>
<td class="parameter_description"><p>a <span class="type">gnutls_datum_t</span> with DER encoded OCSP response</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.159.6"></a><h4>Returns</h4>
<p> On success, <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0) is returned,
otherwise a negative error code is returned.</p>
</div>
<p class="since">Since: 3.1.3</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-ocsp-status-request-is-checked"></a><h3>gnutls_ocsp_status_request_is_checked ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_ocsp_status_request_is_checked (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>,
                                       <em class="parameter"><code>unsigned <span class="type">int</span> flags</code></em>);</pre>
<p>Check whether an OCSP status response was included in the handshake
and whether it was checked and valid (not too old or superseded). 
This is a helper function when needing to decide whether to perform an
OCSP validity check on the peer's certificate. Should be called after
any of gnutls_certificate_verify_peers*() are called.</p>
<p>If the flag <code class="literal">GNUTLS_OCSP_SR_IS_AVAIL</code> is specified, the return
value of the function indicates whether an OCSP status response have
been received (even if invalid).</p>
<div class="refsect3">
<a name="id-1.2.4.6.160.6"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a gnutls session</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>flags</p></td>
<td class="parameter_description"><p>should be zero or <code class="literal">GNUTLS_OCSP_SR_IS_AVAIL</code></p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.160.7"></a><h4>Returns</h4>
<p> non zero if the response was valid, or a zero if it wasn't sent,
or sent and was invalid.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-openpgp-send-cert"></a><h3>gnutls_openpgp_send_cert ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_openpgp_send_cert (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>,
                          <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-openpgp-crt-status-t" title="enum gnutls_openpgp_crt_status_t"><span class="type">gnutls_openpgp_crt_status_t</span></a> status</code></em>);</pre>
<p>This function will order gnutls to send the key fingerprint
instead of the key in the initial handshake procedure. This should
be used with care and only when there is indication or knowledge
that the server can obtain the client's key.</p>
<div class="refsect3">
<a name="id-1.2.4.6.161.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>status</p></td>
<td class="parameter_description"><p>is one of GNUTLS_OPENPGP_CERT, or GNUTLS_OPENPGP_CERT_FINGERPRINT</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-pem-base64-decode"></a><h3>gnutls_pem_base64_decode ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_pem_base64_decode (<em class="parameter"><code>const <span class="type">char</span> *header</code></em>,
                          <em class="parameter"><code>const <span class="type">gnutls_datum_t</span> *b64_data</code></em>,
                          <em class="parameter"><code>unsigned <span class="type">char</span> *result</code></em>,
                          <em class="parameter"><code><span class="type">size_t</span> *result_size</code></em>);</pre>
<p>This function will decode the given encoded data.  If the header
given is non null this function will search for "-----BEGIN header"
and decode only this part.  Otherwise it will decode the first PEM
packet found.</p>
<div class="refsect3">
<a name="id-1.2.4.6.162.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>header</p></td>
<td class="parameter_description"><p>A null terminated string with the PEM header (eg. CERTIFICATE)</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>b64_data</p></td>
<td class="parameter_description"><p>contain the encoded data</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>result</p></td>
<td class="parameter_description"><p>the place where decoded data will be copied</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>result_size</p></td>
<td class="parameter_description"><p>holds the size of the result</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.162.6"></a><h4>Returns</h4>
<p> On success <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0) is returned,
<a class="link" href="gnutls-gnutls.html#GNUTLS-E-SHORT-MEMORY-BUFFER:CAPS" title="GNUTLS_E_SHORT_MEMORY_BUFFER"><code class="literal">GNUTLS_E_SHORT_MEMORY_BUFFER</code></a> is returned if the buffer given is
not long enough, or 0 on success.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-pem-base64-encode"></a><h3>gnutls_pem_base64_encode ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_pem_base64_encode (<em class="parameter"><code>const <span class="type">char</span> *msg</code></em>,
                          <em class="parameter"><code>const <span class="type">gnutls_datum_t</span> *data</code></em>,
                          <em class="parameter"><code><span class="type">char</span> *result</code></em>,
                          <em class="parameter"><code><span class="type">size_t</span> *result_size</code></em>);</pre>
<p>This function will convert the given data to printable data, using
the base64 encoding. This is the encoding used in PEM messages.</p>
<p>The output string will be null terminated, although the size will
not include the terminating null.</p>
<div class="refsect3">
<a name="id-1.2.4.6.163.6"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>msg</p></td>
<td class="parameter_description"><p>is a message to be put in the header</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>data</p></td>
<td class="parameter_description"><p>contain the raw data</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>result</p></td>
<td class="parameter_description"><p>the place where base64 data will be copied</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>result_size</p></td>
<td class="parameter_description"><p>holds the size of the result</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.163.7"></a><h4>Returns</h4>
<p> On success <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0) is returned,
<a class="link" href="gnutls-gnutls.html#GNUTLS-E-SHORT-MEMORY-BUFFER:CAPS" title="GNUTLS_E_SHORT_MEMORY_BUFFER"><code class="literal">GNUTLS_E_SHORT_MEMORY_BUFFER</code></a> is returned if the buffer given is
not long enough, or 0 on success.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-perror"></a><h3>gnutls_perror ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_perror (<em class="parameter"><code><span class="type">int</span> error</code></em>);</pre>
<p>This function is like <code class="function">perror()</code>. The only difference is that it
accepts an error number returned by a gnutls function.</p>
<div class="refsect3">
<a name="id-1.2.4.6.164.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>error</p></td>
<td class="parameter_description"><p>is a GnuTLS error code, a negative error code</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-pin-callback-t"></a><h3>gnutls_pin_callback_t ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
<span class="c_punctuation">(</span>*gnutls_pin_callback_t<span class="c_punctuation">)</span> (<em class="parameter"><code><span class="type">void</span> *userdata</code></em>,
                          <em class="parameter"><code><span class="type">int</span> attempt</code></em>,
                          <em class="parameter"><code>const <span class="type">char</span> *token_url</code></em>,
                          <em class="parameter"><code>const <span class="type">char</span> *token_label</code></em>,
                          <em class="parameter"><code>unsigned <span class="type">int</span> flags</code></em>,
                          <em class="parameter"><code><span class="type">char</span> *pin</code></em>,
                          <em class="parameter"><code><span class="type">size_t</span> pin_max</code></em>);</pre>
<p>Callback function type for PKCS<span class="type">11</span> or TPM PIN entry.  It is set by
functions like <a class="link" href="gnutls-pkcs11.html#gnutls-pkcs11-set-pin-function" title="gnutls_pkcs11_set_pin_function ()"><code class="function">gnutls_pkcs11_set_pin_function()</code></a>.</p>
<p>The callback should provides the PIN code to unlock the token with
label <em class="parameter"><code>token_label</code></em>
, specified by the URL <em class="parameter"><code>token_url</code></em>
.</p>
<p>The PIN code, as a NUL-terminated ASCII string, should be copied
into the <em class="parameter"><code>pin</code></em>
 buffer (of maximum size <em class="parameter"><code>pin_max</code></em>
), and return 0 to
indicate success.  Alternatively, the callback may return a
negative gnutls error code to indicate failure and cancel PIN entry
(in which case, the contents of the <em class="parameter"><code>pin</code></em>
 parameter are ignored).</p>
<p>When a PIN is required, the callback will be invoked repeatedly
(and indefinitely) until either the returned PIN code is correct,
the callback returns failure, or the token refuses login (e.g. when
the token is locked due to too many incorrect PINs!).  For the
first such invocation, the <em class="parameter"><code>attempt</code></em>
 counter will have value zero;
it will increase by one for each subsequent attempt.</p>
<div class="refsect3">
<a name="id-1.2.4.6.165.8"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>userdata</p></td>
<td class="parameter_description"><p>user-controlled data from <a class="link" href="gnutls-pkcs11.html#gnutls-pkcs11-set-pin-function" title="gnutls_pkcs11_set_pin_function ()"><code class="function">gnutls_pkcs11_set_pin_function()</code></a>.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>attempt</p></td>
<td class="parameter_description"><p>pin-attempt counter, initially 0.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>token_url</p></td>
<td class="parameter_description"><p>URL of token.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>token_label</p></td>
<td class="parameter_description"><p>label of token.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>flags</p></td>
<td class="parameter_description"><p>a <a class="link" href="gnutls-gnutls.html#gnutls-pin-flag-t" title="enum gnutls_pin_flag_t"><span class="type">gnutls_pin_flag_t</span></a> flag.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>pin</p></td>
<td class="parameter_description"><p>buffer to hold PIN, of size <em class="parameter"><code>pin_max</code></em>
.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>pin_max</p></td>
<td class="parameter_description"><p>size of <em class="parameter"><code>pin</code></em>
buffer.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.165.9"></a><h4>Returns</h4>
<p> <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0) on success or a negative error code on error.</p>
</div>
<p class="since">Since: 2.12.0</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-pk-algorithm-get-name"></a><h3>gnutls_pk_algorithm_get_name ()</h3>
<pre class="programlisting">const <span class="returnvalue">char</span> *
gnutls_pk_algorithm_get_name (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-pk-algorithm-t" title="enum gnutls_pk_algorithm_t"><span class="type">gnutls_pk_algorithm_t</span></a> algorithm</code></em>);</pre>
<p>Convert a <a class="link" href="gnutls-gnutls.html#gnutls-pk-algorithm-t" title="enum gnutls_pk_algorithm_t"><span class="type">gnutls_pk_algorithm_t</span></a> value to a string.</p>
<div class="refsect3">
<a name="id-1.2.4.6.166.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>algorithm</p></td>
<td class="parameter_description"><p>is a pk algorithm</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.166.6"></a><h4>Returns</h4>
<p> a string that contains the name of the specified public
key algorithm, or <code class="literal">NULL</code>.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-pk-bits-to-sec-param"></a><h3>gnutls_pk_bits_to_sec_param ()</h3>
<pre class="programlisting"><a class="link" href="gnutls-gnutls.html#gnutls-sec-param-t" title="enum gnutls_sec_param_t"><span class="returnvalue">gnutls_sec_param_t</span></a>
gnutls_pk_bits_to_sec_param (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-pk-algorithm-t" title="enum gnutls_pk_algorithm_t"><span class="type">gnutls_pk_algorithm_t</span></a> algo</code></em>,
                             <em class="parameter"><code>unsigned <span class="type">int</span> bits</code></em>);</pre>
<p>This is the inverse of <a class="link" href="gnutls-gnutls.html#gnutls-sec-param-to-pk-bits" title="gnutls_sec_param_to_pk_bits ()"><code class="function">gnutls_sec_param_to_pk_bits()</code></a>. Given an algorithm
and the number of bits, it will return the security parameter. This is
a rough indication.</p>
<div class="refsect3">
<a name="id-1.2.4.6.167.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>algo</p></td>
<td class="parameter_description"><p>is a public key algorithm</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>bits</p></td>
<td class="parameter_description"><p>is the number of bits</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.167.6"></a><h4>Returns</h4>
<p> The security parameter.</p>
</div>
<p class="since">Since: 2.12.0</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-pk-get-id"></a><h3>gnutls_pk_get_id ()</h3>
<pre class="programlisting"><a class="link" href="gnutls-gnutls.html#gnutls-pk-algorithm-t" title="enum gnutls_pk_algorithm_t"><span class="returnvalue">gnutls_pk_algorithm_t</span></a>
gnutls_pk_get_id (<em class="parameter"><code>const <span class="type">char</span> *name</code></em>);</pre>
<p>Convert a string to a <a class="link" href="gnutls-gnutls.html#gnutls-pk-algorithm-t" title="enum gnutls_pk_algorithm_t"><span class="type">gnutls_pk_algorithm_t</span></a> value.  The names are
compared in a case insensitive way.  For example,
gnutls_pk_get_id("RSA") will return <a class="link" href="gnutls-gnutls.html#GNUTLS-PK-RSA:CAPS"><code class="literal">GNUTLS_PK_RSA</code></a>.</p>
<div class="refsect3">
<a name="id-1.2.4.6.168.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>name</p></td>
<td class="parameter_description"><p>is a string containing a public key algorithm name.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.168.6"></a><h4>Returns</h4>
<p> a <a class="link" href="gnutls-gnutls.html#gnutls-pk-algorithm-t" title="enum gnutls_pk_algorithm_t"><span class="type">gnutls_pk_algorithm_t</span></a> id of the specified public key
algorithm string, or <a class="link" href="gnutls-gnutls.html#GNUTLS-PK-UNKNOWN:CAPS"><code class="literal">GNUTLS_PK_UNKNOWN</code></a> on failures.</p>
</div>
<p class="since">Since: 2.6.0</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-pk-get-name"></a><h3>gnutls_pk_get_name ()</h3>
<pre class="programlisting">const <span class="returnvalue">char</span> *
gnutls_pk_get_name (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-pk-algorithm-t" title="enum gnutls_pk_algorithm_t"><span class="type">gnutls_pk_algorithm_t</span></a> algorithm</code></em>);</pre>
<p>Convert a <a class="link" href="gnutls-gnutls.html#gnutls-pk-algorithm-t" title="enum gnutls_pk_algorithm_t"><span class="type">gnutls_pk_algorithm_t</span></a> value to a string.</p>
<div class="refsect3">
<a name="id-1.2.4.6.169.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>algorithm</p></td>
<td class="parameter_description"><p>is a public key algorithm</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.169.6"></a><h4>Returns</h4>
<p> a pointer to a string that contains the name of the
specified public key algorithm, or <code class="literal">NULL</code>.</p>
</div>
<p class="since">Since: 2.6.0</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-pk-list"></a><h3>gnutls_pk_list ()</h3>
<pre class="programlisting">const <a class="link" href="gnutls-gnutls.html#gnutls-pk-algorithm-t" title="enum gnutls_pk_algorithm_t"><span class="returnvalue">gnutls_pk_algorithm_t</span></a> *
gnutls_pk_list (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>Get a list of supported public key algorithms.</p>
<p>This function is not thread safe.</p>
<div class="refsect3">
<a name="id-1.2.4.6.170.6"></a><h4>Returns</h4>
<p> a (0)-terminated list of <a class="link" href="gnutls-gnutls.html#gnutls-pk-algorithm-t" title="enum gnutls_pk_algorithm_t"><span class="type">gnutls_pk_algorithm_t</span></a> integers
indicating the available ciphers.</p>
</div>
<p class="since">Since: 2.6.0</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-pk-to-sign"></a><h3>gnutls_pk_to_sign ()</h3>
<pre class="programlisting"><a class="link" href="gnutls-gnutls.html#gnutls-sign-algorithm-t" title="enum gnutls_sign_algorithm_t"><span class="returnvalue">gnutls_sign_algorithm_t</span></a>
gnutls_pk_to_sign (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-pk-algorithm-t" title="enum gnutls_pk_algorithm_t"><span class="type">gnutls_pk_algorithm_t</span></a> pk</code></em>,
                   <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-digest-algorithm-t" title="enum gnutls_digest_algorithm_t"><span class="type">gnutls_digest_algorithm_t</span></a> hash</code></em>);</pre>
<p>This function maps public key and hash algorithms combinations
to signature algorithms.</p>
<div class="refsect3">
<a name="id-1.2.4.6.171.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>pk</p></td>
<td class="parameter_description"><p>is a public key algorithm</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>hash</p></td>
<td class="parameter_description"><p>a hash algorithm</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.171.6"></a><h4>Returns</h4>
<p> return a <a class="link" href="gnutls-gnutls.html#gnutls-sign-algorithm-t" title="enum gnutls_sign_algorithm_t"><span class="type">gnutls_sign_algorithm_t</span></a> value, or <a class="link" href="gnutls-gnutls.html#GNUTLS-SIGN-UNKNOWN:CAPS"><code class="literal">GNUTLS_SIGN_UNKNOWN</code></a> on error.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-prf"></a><h3>gnutls_prf ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_prf (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>,
            <em class="parameter"><code><span class="type">size_t</span> label_size</code></em>,
            <em class="parameter"><code>const <span class="type">char</span> *label</code></em>,
            <em class="parameter"><code><span class="type">int</span> server_random_first</code></em>,
            <em class="parameter"><code><span class="type">size_t</span> extra_size</code></em>,
            <em class="parameter"><code>const <span class="type">char</span> *extra</code></em>,
            <em class="parameter"><code><span class="type">size_t</span> outsize</code></em>,
            <em class="parameter"><code><span class="type">char</span> *out</code></em>);</pre>
<p>Applies the TLS Pseudo-Random-Function (PRF) on the master secret
and the provided data, seeded with the client and server random fields.
For the key expansion specified in RFC5705 see <code class="function">gnutls_prf_rfc5705()</code>.</p>
<p>The <em class="parameter"><code>label</code></em>
 variable usually contains a string denoting the purpose
for the generated data.  The <em class="parameter"><code>server_random_first</code></em>
 indicates whether
the client random field or the server random field should be first
in the seed.  Non-zero indicates that the server random field is first,
0 that the client random field is first.</p>
<p>The <em class="parameter"><code>extra</code></em>
 variable can be used to add more data to the seed, after
the random variables.  It can be used to make sure the
generated output is strongly connected to some additional data
(e.g., a string used in user authentication).</p>
<p>The output is placed in <em class="parameter"><code>out</code></em>
, which must be pre-allocated.</p>
<div class="refsect3">
<a name="id-1.2.4.6.172.8"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>label_size</p></td>
<td class="parameter_description"><p>length of the <em class="parameter"><code>label</code></em>
variable.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>label</p></td>
<td class="parameter_description"><p>label used in PRF computation, typically a short string.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>server_random_first</p></td>
<td class="parameter_description"><p>non-zero if server random field should be first in seed</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>extra_size</p></td>
<td class="parameter_description"><p>length of the <em class="parameter"><code>extra</code></em>
variable.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>extra</p></td>
<td class="parameter_description"><p>optional extra data to seed the PRF with.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>outsize</p></td>
<td class="parameter_description"><p>size of pre-allocated output buffer to hold the output.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>out</p></td>
<td class="parameter_description"><p>pre-allocated buffer to hold the generated data.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.172.9"></a><h4>Returns</h4>
<p> <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> on success, or an error code.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-prf-raw"></a><h3>gnutls_prf_raw ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_prf_raw (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>,
                <em class="parameter"><code><span class="type">size_t</span> label_size</code></em>,
                <em class="parameter"><code>const <span class="type">char</span> *label</code></em>,
                <em class="parameter"><code><span class="type">size_t</span> seed_size</code></em>,
                <em class="parameter"><code>const <span class="type">char</span> *seed</code></em>,
                <em class="parameter"><code><span class="type">size_t</span> outsize</code></em>,
                <em class="parameter"><code><span class="type">char</span> *out</code></em>);</pre>
<p>Apply the TLS Pseudo-Random-Function (PRF) on the master secret
and the provided data.</p>
<p>The <em class="parameter"><code>label</code></em>
 variable usually contains a string denoting the purpose
for the generated data.  The <em class="parameter"><code>seed</code></em>
 usually contains data such as the
client and server random, perhaps together with some additional
data that is added to guarantee uniqueness of the output for a
particular purpose.</p>
<p>Because the output is not guaranteed to be unique for a particular
session unless <em class="parameter"><code>seed</code></em>
 includes the client random and server random
fields (the PRF would output the same data on another connection
resumed from the first one), it is not recommended to use this
function directly.  The <a class="link" href="gnutls-gnutls.html#gnutls-prf" title="gnutls_prf ()"><code class="function">gnutls_prf()</code></a> function seeds the PRF with the
client and server random fields directly, and is recommended if you
want to generate pseudo random data unique for each session.</p>
<div class="refsect3">
<a name="id-1.2.4.6.173.7"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>label_size</p></td>
<td class="parameter_description"><p>length of the <em class="parameter"><code>label</code></em>
variable.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>label</p></td>
<td class="parameter_description"><p>label used in PRF computation, typically a short string.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>seed_size</p></td>
<td class="parameter_description"><p>length of the <em class="parameter"><code>seed</code></em>
variable.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>seed</p></td>
<td class="parameter_description"><p>optional extra data to seed the PRF with.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>outsize</p></td>
<td class="parameter_description"><p>size of pre-allocated output buffer to hold the output.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>out</p></td>
<td class="parameter_description"><p>pre-allocated buffer to hold the generated data.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.173.8"></a><h4>Returns</h4>
<p> <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> on success, or an error code.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-priority-certificate-type-list"></a><h3>gnutls_priority_certificate_type_list ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_priority_certificate_type_list (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-priority-t" title="gnutls_priority_t"><span class="type">gnutls_priority_t</span></a> pcache</code></em>,
                                       <em class="parameter"><code>const unsigned <span class="type">int</span> **list</code></em>);</pre>
<p>Get a list of available certificate types in the priority
structure.</p>
<div class="refsect3">
<a name="id-1.2.4.6.174.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>pcache</p></td>
<td class="parameter_description"><p>is a <span class="type">gnutls_prioritity_t</span> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>list</p></td>
<td class="parameter_description"><p>will point to an integer list</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.174.6"></a><h4>Returns</h4>
<p> the number of certificate types, or an error code.</p>
</div>
<p class="since">Since: 3.0</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-priority-compression-list"></a><h3>gnutls_priority_compression_list ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_priority_compression_list (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-priority-t" title="gnutls_priority_t"><span class="type">gnutls_priority_t</span></a> pcache</code></em>,
                                  <em class="parameter"><code>const unsigned <span class="type">int</span> **list</code></em>);</pre>
<p>Get a list of available compression method in the priority
structure.</p>
<div class="refsect3">
<a name="id-1.2.4.6.175.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>pcache</p></td>
<td class="parameter_description"><p>is a <span class="type">gnutls_prioritity_t</span> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>list</p></td>
<td class="parameter_description"><p>will point to an integer list</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.175.6"></a><h4>Returns</h4>
<p> the number of methods, or an error code.</p>
</div>
<p class="since">Since: 3.0</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-priority-deinit"></a><h3>gnutls_priority_deinit ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_priority_deinit (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-priority-t" title="gnutls_priority_t"><span class="type">gnutls_priority_t</span></a> priority_cache</code></em>);</pre>
<p>Deinitializes the priority cache.</p>
<div class="refsect3">
<a name="id-1.2.4.6.176.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>priority_cache</p></td>
<td class="parameter_description"><p>is a <span class="type">gnutls_prioritity_t</span> type.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-priority-ecc-curve-list"></a><h3>gnutls_priority_ecc_curve_list ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_priority_ecc_curve_list (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-priority-t" title="gnutls_priority_t"><span class="type">gnutls_priority_t</span></a> pcache</code></em>,
                                <em class="parameter"><code>const unsigned <span class="type">int</span> **list</code></em>);</pre>
<p>Get a list of available elliptic curves in the priority
structure.</p>
<div class="refsect3">
<a name="id-1.2.4.6.177.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>pcache</p></td>
<td class="parameter_description"><p>is a <span class="type">gnutls_prioritity_t</span> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>list</p></td>
<td class="parameter_description"><p>will point to an integer list</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.177.6"></a><h4>Returns</h4>
<p> the number of curves, or an error code.</p>
</div>
<p class="since">Since: 3.0</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-priority-get-cipher-suite-index"></a><h3>gnutls_priority_get_cipher_suite_index ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_priority_get_cipher_suite_index
                               (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-priority-t" title="gnutls_priority_t"><span class="type">gnutls_priority_t</span></a> pcache</code></em>,
                                <em class="parameter"><code>unsigned <span class="type">int</span> idx</code></em>,
                                <em class="parameter"><code>unsigned <span class="type">int</span> *sidx</code></em>);</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-priority-init"></a><h3>gnutls_priority_init ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_priority_init (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-priority-t" title="gnutls_priority_t"><span class="type">gnutls_priority_t</span></a> *priority_cache</code></em>,
                      <em class="parameter"><code>const <span class="type">char</span> *priorities</code></em>,
                      <em class="parameter"><code>const <span class="type">char</span> **err_pos</code></em>);</pre>
<p>Sets priorities for the ciphers, key exchange methods, macs and
compression methods. The <em class="parameter"><code>priority_cache</code></em>
 should be deinitialized
using <a class="link" href="gnutls-gnutls.html#gnutls-priority-deinit" title="gnutls_priority_deinit ()"><code class="function">gnutls_priority_deinit()</code></a>.</p>
<p>The <span class="type">priorities</span> option allows you to specify a colon
separated list of the cipher priorities to enable.
Some keywords are defined to provide quick access
to common preferences.</p>
<p>Unless there is a special need, use the "NORMAL" keyword to
apply a reasonable security level, or "NORMAL:<code class="literal">COMPAT</code>" for compatibility.</p>
<p>"PERFORMANCE" means all the "secure" ciphersuites are enabled,
limited to 128 bit ciphers and sorted by terms of speed
performance.</p>
<p>"LEGACY" the NORMAL settings for GnuTLS 3.2.x or earlier. There is
no verification profile set, and the allowed DH primes are considered
weak today.</p>
<p>"NORMAL" means all "secure" ciphersuites. The 256-bit ciphers are
included as a fallback only.  The ciphers are sorted by security
margin.</p>
<p>"PFS" means all "secure" ciphersuites that support perfect forward secrecy. 
The 256-bit ciphers are included as a fallback only.  
The ciphers are sorted by security margin.</p>
<p>"SECURE128" means all "secure" ciphersuites of security level 128-bit
or more.</p>
<p>"SECURE192" means all "secure" ciphersuites of security level 192-bit
or more.</p>
<p>"SUITEB128" means all the NSA SuiteB ciphersuites with security level
of 128.</p>
<p>"SUITEB192" means all the NSA SuiteB ciphersuites with security level
of 192.</p>
<p>"NONE" means nothing is enabled.  This disables even protocols and
compression methods.</p>
<p>"<em class="parameter"><code>KEYWORD</code></em>
" The system administrator imposed settings. The provided keywords
will be expanded from a configuration-time provided file - default is:
/etc/gnutls/default-priorities. Any keywords that follow it, will 
be appended to the expanded string. If there is no system string,
then the function will fail. The system file should be formatted
as "KEYWORD=VALUE", e.g., "SYSTEM=NORMAL:+ARCFOUR-128".</p>
<p>Special keywords are "!", "-" and "+".
"!" or "-" appended with an algorithm will remove this algorithm.
"+" appended with an algorithm will add this algorithm.</p>
<p>Check the GnuTLS manual section "Priority strings" for detailed
information.</p>
<p>Examples:</p>
<p>"NONE:+VERS-TLS-ALL:+MAC-ALL:+RSA:+AES-128-CBC:+SIGN-ALL:+COMP-NULL"</p>
<p>"NORMAL:+ARCFOUR-128" means normal ciphers plus ARCFOUR-128.</p>
<p>"SECURE128:-VERS-SSL3.0:+COMP-DEFLATE" means that only secure ciphers are
enabled, SSL3.0 is disabled, and libz compression enabled.</p>
<p>"NONE:+VERS-TLS-ALL:+AES-128-CBC:+RSA:+SHA1:+COMP-NULL:+SIGN-RSA-SHA1", </p>
<p>"NONE:+VERS-TLS-ALL:+AES-128-CBC:+ECDHE-RSA:+SHA1:+COMP-NULL:+SIGN-RSA-SHA1:+CURVE-SECP256R1", </p>
<p>"SECURE256:+SECURE128",</p>
<p>Note that "NORMAL:<code class="literal">COMPAT</code>" is the most compatible mode.</p>
<p>A <code class="literal">NULL</code> <em class="parameter"><code>priorities</code></em>
 string indicates the default priorities to be
used (this is available since GnuTLS 3.3.0).</p>
<div class="refsect3">
<a name="id-1.2.4.6.179.28"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>priority_cache</p></td>
<td class="parameter_description"><p>is a <span class="type">gnutls_prioritity_t</span> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>priorities</p></td>
<td class="parameter_description"><p>is a string describing priorities (may be <code class="literal">NULL</code>)</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>err_pos</p></td>
<td class="parameter_description"><p>In case of an error this will have the position in the string the error occurred</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.179.29"></a><h4>Returns</h4>
<p> On syntax error <a class="link" href="gnutls-gnutls.html#GNUTLS-E-INVALID-REQUEST:CAPS" title="GNUTLS_E_INVALID_REQUEST"><code class="literal">GNUTLS_E_INVALID_REQUEST</code></a> is returned,
<a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> on success, or an error code.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-priority-protocol-list"></a><h3>gnutls_priority_protocol_list ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_priority_protocol_list (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-priority-t" title="gnutls_priority_t"><span class="type">gnutls_priority_t</span></a> pcache</code></em>,
                               <em class="parameter"><code>const unsigned <span class="type">int</span> **list</code></em>);</pre>
<p>Get a list of available TLS version numbers in the priority
structure.</p>
<div class="refsect3">
<a name="id-1.2.4.6.180.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>pcache</p></td>
<td class="parameter_description"><p>is a <span class="type">gnutls_prioritity_t</span> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>list</p></td>
<td class="parameter_description"><p>will point to an integer list</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.180.6"></a><h4>Returns</h4>
<p> the number of protocols, or an error code.</p>
</div>
<p class="since">Since: 3.0</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-priority-set"></a><h3>gnutls_priority_set ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_priority_set (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>,
                     <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-priority-t" title="gnutls_priority_t"><span class="type">gnutls_priority_t</span></a> priority</code></em>);</pre>
<p>Sets the priorities to use on the ciphers, key exchange methods,
macs and compression methods.</p>
<div class="refsect3">
<a name="id-1.2.4.6.181.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>priority</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-priority-t" title="gnutls_priority_t"><span class="type">gnutls_priority_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.181.6"></a><h4>Returns</h4>
<p> <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> on success, or an error code.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-priority-set-direct"></a><h3>gnutls_priority_set_direct ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_priority_set_direct (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>,
                            <em class="parameter"><code>const <span class="type">char</span> *priorities</code></em>,
                            <em class="parameter"><code>const <span class="type">char</span> **err_pos</code></em>);</pre>
<p>Sets the priorities to use on the ciphers, key exchange methods,
macs and compression methods.  This function avoids keeping a
priority cache and is used to directly set string priorities to a
TLS session.  For documentation check the <a class="link" href="gnutls-gnutls.html#gnutls-priority-init" title="gnutls_priority_init ()"><code class="function">gnutls_priority_init()</code></a>.</p>
<p>To simply use a reasonable default, consider using <a class="link" href="gnutls-gnutls.html#gnutls-set-default-priority" title="gnutls_set_default_priority ()"><code class="function">gnutls_set_default_priority()</code></a>.</p>
<div class="refsect3">
<a name="id-1.2.4.6.182.6"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>priorities</p></td>
<td class="parameter_description"><p>is a string describing priorities</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>err_pos</p></td>
<td class="parameter_description"><p>In case of an error this will have the position in the string the error occurred</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.182.7"></a><h4>Returns</h4>
<p> On syntax error <a class="link" href="gnutls-gnutls.html#GNUTLS-E-INVALID-REQUEST:CAPS" title="GNUTLS_E_INVALID_REQUEST"><code class="literal">GNUTLS_E_INVALID_REQUEST</code></a> is returned,
<a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> on success, or an error code.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-priority-sign-list"></a><h3>gnutls_priority_sign_list ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_priority_sign_list (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-priority-t" title="gnutls_priority_t"><span class="type">gnutls_priority_t</span></a> pcache</code></em>,
                           <em class="parameter"><code>const unsigned <span class="type">int</span> **list</code></em>);</pre>
<p>Get a list of available signature algorithms in the priority
structure.</p>
<div class="refsect3">
<a name="id-1.2.4.6.183.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>pcache</p></td>
<td class="parameter_description"><p>is a <span class="type">gnutls_prioritity_t</span> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>list</p></td>
<td class="parameter_description"><p>will point to an integer list</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.183.6"></a><h4>Returns</h4>
<p> the number of algorithms, or an error code.</p>
</div>
<p class="since">Since: 3.0</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-protocol-get-id"></a><h3>gnutls_protocol_get_id ()</h3>
<pre class="programlisting"><a class="link" href="gnutls-gnutls.html#gnutls-protocol-t" title="enum gnutls_protocol_t"><span class="returnvalue">gnutls_protocol_t</span></a>
gnutls_protocol_get_id (<em class="parameter"><code>const <span class="type">char</span> *name</code></em>);</pre>
<p>The names are compared in a case insensitive way.</p>
<div class="refsect3">
<a name="id-1.2.4.6.184.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>name</p></td>
<td class="parameter_description"><p>is a protocol name</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.184.6"></a><h4>Returns</h4>
<p> an id of the specified protocol, or
<a class="link" href="gnutls-gnutls.html#GNUTLS-VERSION-UNKNOWN:CAPS"><code class="literal">GNUTLS_VERSION_UNKNOWN</code></a> on error.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-protocol-get-name"></a><h3>gnutls_protocol_get_name ()</h3>
<pre class="programlisting">const <span class="returnvalue">char</span> *
gnutls_protocol_get_name (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-protocol-t" title="enum gnutls_protocol_t"><span class="type">gnutls_protocol_t</span></a> version</code></em>);</pre>
<p>Convert a <a class="link" href="gnutls-gnutls.html#gnutls-protocol-t" title="enum gnutls_protocol_t"><span class="type">gnutls_protocol_t</span></a> value to a string.</p>
<div class="refsect3">
<a name="id-1.2.4.6.185.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>version</p></td>
<td class="parameter_description"><p>is a (gnutls) version number</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.185.6"></a><h4>Returns</h4>
<p> a string that contains the name of the specified TLS
version (e.g., "TLS1.0"), or <code class="literal">NULL</code>.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-protocol-get-version"></a><h3>gnutls_protocol_get_version ()</h3>
<pre class="programlisting"><a class="link" href="gnutls-gnutls.html#gnutls-protocol-t" title="enum gnutls_protocol_t"><span class="returnvalue">gnutls_protocol_t</span></a>
gnutls_protocol_get_version (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>);</pre>
<p>Get TLS version, a <a class="link" href="gnutls-gnutls.html#gnutls-protocol-t" title="enum gnutls_protocol_t"><span class="type">gnutls_protocol_t</span></a> value.</p>
<div class="refsect3">
<a name="id-1.2.4.6.186.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.186.6"></a><h4>Returns</h4>
<p> The version of the currently used protocol.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-protocol-list"></a><h3>gnutls_protocol_list ()</h3>
<pre class="programlisting">const <a class="link" href="gnutls-gnutls.html#gnutls-protocol-t" title="enum gnutls_protocol_t"><span class="returnvalue">gnutls_protocol_t</span></a> *
gnutls_protocol_list (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>Get a list of supported protocols, e.g. SSL 3.0, TLS 1.0 etc.</p>
<p>This function is not thread safe.</p>
<div class="refsect3">
<a name="id-1.2.4.6.187.6"></a><h4>Returns</h4>
<p> a (0)-terminated list of <a class="link" href="gnutls-gnutls.html#gnutls-protocol-t" title="enum gnutls_protocol_t"><span class="type">gnutls_protocol_t</span></a> integers
indicating the available protocols.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-psk-allocate-client-credentials"></a><h3>gnutls_psk_allocate_client_credentials ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_psk_allocate_client_credentials
                               (<em class="parameter"><code><span class="type">gnutls_psk_client_credentials_t</span> *sc</code></em>);</pre>
<p>This structure is complex enough to manipulate directly thus this
helper function is provided in order to allocate it.</p>
<div class="refsect3">
<a name="id-1.2.4.6.188.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>sc</p></td>
<td class="parameter_description"><p>is a pointer to a <span class="type">gnutls_psk_server_credentials_t</span> type.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.188.6"></a><h4>Returns</h4>
<p> On success, <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0) is returned, otherwise
an error code is returned.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-psk-allocate-server-credentials"></a><h3>gnutls_psk_allocate_server_credentials ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_psk_allocate_server_credentials
                               (<em class="parameter"><code><span class="type">gnutls_psk_server_credentials_t</span> *sc</code></em>);</pre>
<p>This structure is complex enough to manipulate directly thus this
helper function is provided in order to allocate it.</p>
<div class="refsect3">
<a name="id-1.2.4.6.189.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>sc</p></td>
<td class="parameter_description"><p>is a pointer to a <span class="type">gnutls_psk_server_credentials_t</span> type.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.189.6"></a><h4>Returns</h4>
<p> On success, <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0) is returned, otherwise
an error code is returned.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-psk-client-get-hint"></a><h3>gnutls_psk_client_get_hint ()</h3>
<pre class="programlisting">const <span class="returnvalue">char</span> *
gnutls_psk_client_get_hint (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>);</pre>
<p>The PSK identity hint may give the client help in deciding which
username to use.  This should only be called in case of PSK
authentication and in case of a client.</p>
<div class="refsect3">
<a name="id-1.2.4.6.190.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a gnutls session</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.190.6"></a><h4>Returns</h4>
<p> the identity hint of the peer, or <code class="literal">NULL</code> in case of an error.</p>
</div>
<p class="since">Since: 2.4.0</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-psk-free-client-credentials"></a><h3>gnutls_psk_free_client_credentials ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_psk_free_client_credentials (<em class="parameter"><code><span class="type">gnutls_psk_client_credentials_t</span> sc</code></em>);</pre>
<p>This structure is complex enough to manipulate directly thus this
helper function is provided in order to free (deallocate) it.</p>
<div class="refsect3">
<a name="id-1.2.4.6.191.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>sc</p></td>
<td class="parameter_description"><p>is a <span class="type">gnutls_psk_client_credentials_t</span> type.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-psk-free-server-credentials"></a><h3>gnutls_psk_free_server_credentials ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_psk_free_server_credentials (<em class="parameter"><code><span class="type">gnutls_psk_server_credentials_t</span> sc</code></em>);</pre>
<p>This structure is complex enough to manipulate directly thus this
helper function is provided in order to free (deallocate) it.</p>
<div class="refsect3">
<a name="id-1.2.4.6.192.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>sc</p></td>
<td class="parameter_description"><p>is a <span class="type">gnutls_psk_server_credentials_t</span> type.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-psk-server-get-username"></a><h3>gnutls_psk_server_get_username ()</h3>
<pre class="programlisting">const <span class="returnvalue">char</span> *
gnutls_psk_server_get_username (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>);</pre>
<p>This should only be called in case of PSK authentication and in
case of a server.</p>
<div class="refsect3">
<a name="id-1.2.4.6.193.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a gnutls session</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.193.6"></a><h4>Returns</h4>
<p> the username of the peer, or <code class="literal">NULL</code> in case of an error.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-psk-set-client-credentials"></a><h3>gnutls_psk_set_client_credentials ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_psk_set_client_credentials (<em class="parameter"><code><span class="type">gnutls_psk_client_credentials_t</span> res</code></em>,
                                   <em class="parameter"><code>const <span class="type">char</span> *username</code></em>,
                                   <em class="parameter"><code>const <span class="type">gnutls_datum_t</span> *key</code></em>,
                                   <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-psk-key-flags" title="enum gnutls_psk_key_flags"><span class="type">gnutls_psk_key_flags</span></a> flags</code></em>);</pre>
<p>This function sets the username and password, in a
gnutls_psk_client_credentials_t type.  Those will be used in
PSK authentication.  <em class="parameter"><code>username</code></em>
 should be an ASCII string or UTF-8
strings prepared using the "SASLprep" profile of "stringprep".  The
key can be either in raw byte format or in Hex format (without the
0x prefix).</p>
<div class="refsect3">
<a name="id-1.2.4.6.194.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>res</p></td>
<td class="parameter_description"><p>is a <span class="type">gnutls_psk_client_credentials_t</span> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>username</p></td>
<td class="parameter_description"><p>is the user's zero-terminated userid</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>key</p></td>
<td class="parameter_description"><p>is the user's key</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>flags</p></td>
<td class="parameter_description"><p>indicate the format of the key, either
<a class="link" href="gnutls-gnutls.html#GNUTLS-PSK-KEY-RAW:CAPS"><code class="literal">GNUTLS_PSK_KEY_RAW</code></a> or <a class="link" href="gnutls-gnutls.html#GNUTLS-PSK-KEY-HEX:CAPS"><code class="literal">GNUTLS_PSK_KEY_HEX</code></a>.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.194.6"></a><h4>Returns</h4>
<p> On success, <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0) is returned, otherwise
an error code is returned.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-psk-set-client-credentials-function"></a><h3>gnutls_psk_set_client_credentials_function ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_psk_set_client_credentials_function
                               (<em class="parameter"><code><span class="type">gnutls_psk_client_credentials_t</span> cred</code></em>,
                                <em class="parameter"><code><span class="type">gnutls_psk_client_credentials_function</span> *func</code></em>);</pre>
<p>This function can be used to set a callback to retrieve the username and
password for client PSK authentication.
The callback's function form is:
int (*callback)(gnutls_session_t, char** username,
 gnutls_datum_t* key);</p>
<p>The <em class="parameter"><code>username</code></em>
 and <em class="parameter"><code>key-&gt;data</code></em>
 must be allocated using <a href="/usr/share/gtk-doc/html/gnutls/gnutls-gnutls.html#gnutls-malloc"><code class="function">gnutls_malloc()</code></a>.
<em class="parameter"><code>username</code></em>
 should be ASCII strings or UTF-8 strings prepared using
the "SASLprep" profile of "stringprep".</p>
<p>The callback function will be called once per handshake.</p>
<p>The callback function should return 0 on success.
-1 indicates an error.</p>
<div class="refsect3">
<a name="id-1.2.4.6.195.8"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>cred</p></td>
<td class="parameter_description"><p>is a <span class="type">gnutls_psk_server_credentials_t</span> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>func</p></td>
<td class="parameter_description"><p>is the callback function</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-psk-set-params-function"></a><h3>gnutls_psk_set_params_function ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_psk_set_params_function (<em class="parameter"><code><span class="type">gnutls_psk_server_credentials_t</span> res</code></em>,
                                <em class="parameter"><code><span class="type">gnutls_params_function</span> *func</code></em>);</pre>
<p>This function will set a callback in order for the server to get
the Diffie-Hellman or RSA parameters for PSK authentication.  The
callback should return <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0) on success.</p>
<div class="refsect3">
<a name="id-1.2.4.6.196.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>res</p></td>
<td class="parameter_description"><p>is a gnutls_psk_server_credentials_t type</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>func</p></td>
<td class="parameter_description"><p>is the function to be called</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-psk-set-server-credentials-file"></a><h3>gnutls_psk_set_server_credentials_file ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_psk_set_server_credentials_file
                               (<em class="parameter"><code><span class="type">gnutls_psk_server_credentials_t</span> res</code></em>,
                                <em class="parameter"><code>const <span class="type">char</span> *password_file</code></em>);</pre>
<p>This function sets the password file, in a
<span class="type">gnutls_psk_server_credentials_t</span> type.  This password file
holds usernames and keys and will be used for PSK authentication.</p>
<div class="refsect3">
<a name="id-1.2.4.6.197.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>res</p></td>
<td class="parameter_description"><p>is a <span class="type">gnutls_psk_server_credentials_t</span> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>password_file</p></td>
<td class="parameter_description"><p>is the PSK password file (passwd.psk)</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.197.6"></a><h4>Returns</h4>
<p> On success, <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0) is returned, otherwise
an error code is returned.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-psk-set-server-credentials-function"></a><h3>gnutls_psk_set_server_credentials_function ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_psk_set_server_credentials_function
                               (<em class="parameter"><code><span class="type">gnutls_psk_server_credentials_t</span> cred</code></em>,
                                <em class="parameter"><code><span class="type">gnutls_psk_server_credentials_function</span> *func</code></em>);</pre>
<p>This function can be used to set a callback to retrieve the user's PSK credentials.
The callback's function form is:
int (*callback)(gnutls_session_t, const char* username,
 gnutls_datum_t* key);</p>
<p><em class="parameter"><code>username</code></em>
 contains the actual username.
The <em class="parameter"><code>key</code></em>
 must be filled in using the <a href="/usr/share/gtk-doc/html/gnutls/gnutls-gnutls.html#gnutls-malloc"><code class="function">gnutls_malloc()</code></a>.</p>
<p>In case the callback returned a negative number then gnutls will
assume that the username does not exist.</p>
<p>The callback function will only be called once per handshake.  The
callback function should return 0 on success, while -1 indicates
an error.</p>
<div class="refsect3">
<a name="id-1.2.4.6.198.8"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>cred</p></td>
<td class="parameter_description"><p>is a <span class="type">gnutls_psk_server_credentials_t</span> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>func</p></td>
<td class="parameter_description"><p>is the callback function</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-psk-set-server-credentials-hint"></a><h3>gnutls_psk_set_server_credentials_hint ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_psk_set_server_credentials_hint
                               (<em class="parameter"><code><span class="type">gnutls_psk_server_credentials_t</span> res</code></em>,
                                <em class="parameter"><code>const <span class="type">char</span> *hint</code></em>);</pre>
<p>This function sets the identity hint, in a
<span class="type">gnutls_psk_server_credentials_t</span> type.  This hint is sent to
the client to help it chose a good PSK credential (i.e., username
and password).</p>
<div class="refsect3">
<a name="id-1.2.4.6.199.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>res</p></td>
<td class="parameter_description"><p>is a <span class="type">gnutls_psk_server_credentials_t</span> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>hint</p></td>
<td class="parameter_description"><p>is the PSK identity hint string</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.199.6"></a><h4>Returns</h4>
<p> On success, <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0) is returned, otherwise
an error code is returned.</p>
</div>
<p class="since">Since: 2.4.0</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-psk-set-server-dh-params"></a><h3>gnutls_psk_set_server_dh_params ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_psk_set_server_dh_params (<em class="parameter"><code><span class="type">gnutls_psk_server_credentials_t</span> res</code></em>,
                                 <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-dh-params-t" title="gnutls_dh_params_t"><span class="type">gnutls_dh_params_t</span></a> dh_params</code></em>);</pre>
<p>This function will set the Diffie-Hellman parameters for an
anonymous server to use. These parameters will be used in
Diffie-Hellman exchange with PSK cipher suites.</p>
<div class="refsect3">
<a name="id-1.2.4.6.200.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>res</p></td>
<td class="parameter_description"><p>is a gnutls_psk_server_credentials_t type</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>dh_params</p></td>
<td class="parameter_description"><p>is a structure that holds Diffie-Hellman parameters.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-psk-set-server-params-function"></a><h3>gnutls_psk_set_server_params_function ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_psk_set_server_params_function (<em class="parameter"><code><span class="type">gnutls_psk_server_credentials_t</span> res</code></em>,
                                       <em class="parameter"><code><span class="type">gnutls_params_function</span> *func</code></em>);</pre>
<p>This function will set a callback in order for the server to get
the Diffie-Hellman parameters for PSK authentication.  The callback
should return <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0) on success.</p>
<div class="refsect3">
<a name="id-1.2.4.6.201.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>res</p></td>
<td class="parameter_description"><p>is a <span class="type">gnutls_certificate_credentials_t</span> type</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>func</p></td>
<td class="parameter_description"><p>is the function to be called</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-pull-func"></a><h3>gnutls_pull_func ()</h3>
<pre class="programlisting"><span class="returnvalue">ssize_t</span>
<span class="c_punctuation">(</span>*gnutls_pull_func<span class="c_punctuation">)</span> (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-transport-ptr-t" title="gnutls_transport_ptr_t"><span class="type">gnutls_transport_ptr_t</span></a> Param1</code></em>,
                     <em class="parameter"><code><span class="type">void</span> *Param2</code></em>,
                     <em class="parameter"><code><span class="type">size_t</span> Param3</code></em>);</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-pull-timeout-func"></a><h3>gnutls_pull_timeout_func ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
<span class="c_punctuation">(</span>*gnutls_pull_timeout_func<span class="c_punctuation">)</span> (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-transport-ptr-t" title="gnutls_transport_ptr_t"><span class="type">gnutls_transport_ptr_t</span></a> Param1</code></em>,
                             <em class="parameter"><code>unsigned <span class="type">int</span> ms</code></em>);</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-push-func"></a><h3>gnutls_push_func ()</h3>
<pre class="programlisting"><span class="returnvalue">ssize_t</span>
<span class="c_punctuation">(</span>*gnutls_push_func<span class="c_punctuation">)</span> (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-transport-ptr-t" title="gnutls_transport_ptr_t"><span class="type">gnutls_transport_ptr_t</span></a> Param1</code></em>,
                     <em class="parameter"><code>const <span class="type">void</span> *Param2</code></em>,
                     <em class="parameter"><code><span class="type">size_t</span> Param3</code></em>);</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-random-art"></a><h3>gnutls_random_art ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_random_art (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-random-art-t" title="enum gnutls_random_art_t"><span class="type">gnutls_random_art_t</span></a> type</code></em>,
                   <em class="parameter"><code>const <span class="type">char</span> *key_type</code></em>,
                   <em class="parameter"><code>unsigned <span class="type">int</span> key_size</code></em>,
                   <em class="parameter"><code><span class="type">void</span> *fpr</code></em>,
                   <em class="parameter"><code><span class="type">size_t</span> fpr_size</code></em>,
                   <em class="parameter"><code><span class="type">gnutls_datum_t</span> *art</code></em>);</pre>
<p>This function will convert a given fingerprint to an "artistic"
image. The returned image is allocated using <a href="/usr/share/gtk-doc/html/gnutls/gnutls-gnutls.html#gnutls-malloc"><code class="function">gnutls_malloc()</code></a>.</p>
<div class="refsect3">
<a name="id-1.2.4.6.205.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>type</p></td>
<td class="parameter_description"><p>The type of the random art (for now only <a class="link" href="gnutls-gnutls.html#GNUTLS-RANDOM-ART-OPENSSH:CAPS"><code class="literal">GNUTLS_RANDOM_ART_OPENSSH</code></a> is supported)</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>key_type</p></td>
<td class="parameter_description"><p>The type of the key (RSA, DSA etc.)</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>key_size</p></td>
<td class="parameter_description"><p>The size of the key in bits</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>fpr</p></td>
<td class="parameter_description"><p>The fingerprint of the key</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>fpr_size</p></td>
<td class="parameter_description"><p>The size of the fingerprint</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>art</p></td>
<td class="parameter_description"><p>The returned random art</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.205.6"></a><h4>Returns</h4>
<p> On success, <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0) is returned, otherwise
an error code is returned.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-realloc-function"></a><h3>gnutls_realloc_function ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> *
<span class="c_punctuation">(</span>*gnutls_realloc_function<span class="c_punctuation">)</span> (<em class="parameter"><code><span class="type">void</span> *Param1</code></em>,
                            <em class="parameter"><code><span class="type">size_t</span> Param2</code></em>);</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-record-check-pending"></a><h3>gnutls_record_check_pending ()</h3>
<pre class="programlisting"><span class="returnvalue">size_t</span>
gnutls_record_check_pending (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>);</pre>
<p>This function checks if there are unread data
in the gnutls buffers. If the return value is
non-zero the next call to <a class="link" href="gnutls-gnutls.html#gnutls-record-recv" title="gnutls_record_recv ()"><code class="function">gnutls_record_recv()</code></a>
is guaranteed not to block.</p>
<div class="refsect3">
<a name="id-1.2.4.6.207.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.207.6"></a><h4>Returns</h4>
<p> Returns the size of the data or zero.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-record-disable-padding"></a><h3>gnutls_record_disable_padding ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_record_disable_padding (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>);</pre>
<p>Used to disabled padding in TLS 1.0 and above.  Normally you do not
need to use this function, but there are buggy clients that
complain if a server pads the encrypted data.  This of course will
disable protection against statistical attacks on the data.</p>
<p>This functions is defunt since 3.1.7. Random padding is disabled
by default unless requested using <code class="function">gnutls_range_send_message()</code>.</p>
<div class="refsect3">
<a name="id-1.2.4.6.208.6"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-record-get-direction"></a><h3>gnutls_record_get_direction ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_record_get_direction (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>);</pre>
<p>This function provides information about the internals of the
record protocol and is only useful if a prior gnutls function call
(e.g.  <a class="link" href="gnutls-gnutls.html#gnutls-handshake" title="gnutls_handshake ()"><code class="function">gnutls_handshake()</code></a>) was interrupted for some reason, that
is, if a function returned <a class="link" href="gnutls-gnutls.html#GNUTLS-E-INTERRUPTED:CAPS" title="GNUTLS_E_INTERRUPTED"><code class="literal">GNUTLS_E_INTERRUPTED</code></a> or
<a class="link" href="gnutls-gnutls.html#GNUTLS-E-AGAIN:CAPS" title="GNUTLS_E_AGAIN"><code class="literal">GNUTLS_E_AGAIN</code></a>.  In such a case, you might want to call <code class="function">select()</code>
or <code class="function">poll()</code> before calling the interrupted gnutls function again.  To
tell you whether a file descriptor should be selected for either
reading or writing, <a class="link" href="gnutls-gnutls.html#gnutls-record-get-direction" title="gnutls_record_get_direction ()"><code class="function">gnutls_record_get_direction()</code></a> returns 0 if the
interrupted function was trying to read data, and 1 if it was
trying to write data.</p>
<p>This function's output is unreliable if you are using the
<em class="parameter"><code>session</code></em>
 in different threads, for sending and receiving.</p>
<div class="refsect3">
<a name="id-1.2.4.6.209.6"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.209.7"></a><h4>Returns</h4>
<p> 0 if trying to read data, 1 if trying to write data.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-record-get-max-size"></a><h3>gnutls_record_get_max_size ()</h3>
<pre class="programlisting"><span class="returnvalue">size_t</span>
gnutls_record_get_max_size (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>);</pre>
<p>Get the record size.  The maximum record size is negotiated by the
client after the first handshake message.</p>
<div class="refsect3">
<a name="id-1.2.4.6.210.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.210.6"></a><h4>Returns</h4>
<p> The maximum record packet size in this connection.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-record-recv"></a><h3>gnutls_record_recv ()</h3>
<pre class="programlisting"><span class="returnvalue">ssize_t</span>
gnutls_record_recv (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>,
                    <em class="parameter"><code><span class="type">void</span> *data</code></em>,
                    <em class="parameter"><code><span class="type">size_t</span> data_size</code></em>);</pre>
<p>This function has the similar semantics with <code class="function">recv()</code>.  The only
difference is that it accepts a GnuTLS session, and uses different
error codes.
In the special case that the peer requests a renegotiation, the
caller will receive an error code of <a class="link" href="gnutls-gnutls.html#GNUTLS-E-REHANDSHAKE:CAPS" title="GNUTLS_E_REHANDSHAKE"><code class="literal">GNUTLS_E_REHANDSHAKE</code></a>.  In case
of a client, this message may be simply ignored, replied with an alert
<a class="link" href="gnutls-gnutls.html#GNUTLS-A-NO-RENEGOTIATION:CAPS"><code class="literal">GNUTLS_A_NO_RENEGOTIATION</code></a>, or replied with a new handshake,
depending on the client's will. A server receiving this error code
can only initiate a new handshake or terminate the session.</p>
<p>If <code class="literal">EINTR</code> is returned by the internal push function (the default
is <code class="function">recv()</code>) then <a class="link" href="gnutls-gnutls.html#GNUTLS-E-INTERRUPTED:CAPS" title="GNUTLS_E_INTERRUPTED"><code class="literal">GNUTLS_E_INTERRUPTED</code></a> will be returned.  If
<a class="link" href="gnutls-gnutls.html#GNUTLS-E-INTERRUPTED:CAPS" title="GNUTLS_E_INTERRUPTED"><code class="literal">GNUTLS_E_INTERRUPTED</code></a> or <a class="link" href="gnutls-gnutls.html#GNUTLS-E-AGAIN:CAPS" title="GNUTLS_E_AGAIN"><code class="literal">GNUTLS_E_AGAIN</code></a> is returned, you must
call this function again to get the data.  See also
<a class="link" href="gnutls-gnutls.html#gnutls-record-get-direction" title="gnutls_record_get_direction ()"><code class="function">gnutls_record_get_direction()</code></a>.</p>
<div class="refsect3">
<a name="id-1.2.4.6.211.6"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>data</p></td>
<td class="parameter_description"><p>the buffer that the data will be read into</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>data_size</p></td>
<td class="parameter_description"><p>the number of requested bytes</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.211.7"></a><h4>Returns</h4>
<p> The number of bytes received and zero on EOF (for stream
connections).  A negative error code is returned in case of an error.
The number of bytes received might be less than the requested <em class="parameter"><code>data_size</code></em>
.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-record-recv-seq"></a><h3>gnutls_record_recv_seq ()</h3>
<pre class="programlisting"><span class="returnvalue">ssize_t</span>
gnutls_record_recv_seq (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>,
                        <em class="parameter"><code><span class="type">void</span> *data</code></em>,
                        <em class="parameter"><code><span class="type">size_t</span> data_size</code></em>,
                        <em class="parameter"><code>unsigned <span class="type">char</span> *seq</code></em>);</pre>
<p>This function is the same as <a class="link" href="gnutls-gnutls.html#gnutls-record-recv" title="gnutls_record_recv ()"><code class="function">gnutls_record_recv()</code></a>, except that
it returns in addition to data, the sequence number of the data.
This is useful in DTLS where record packets might be received
out-of-order. The returned 8-byte sequence number is an
integer in big-endian format and should be
treated as a unique message identification.</p>
<div class="refsect3">
<a name="id-1.2.4.6.212.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>data</p></td>
<td class="parameter_description"><p>the buffer that the data will be read into</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>data_size</p></td>
<td class="parameter_description"><p>the number of requested bytes</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>seq</p></td>
<td class="parameter_description"><p>is the packet's 64-bit sequence number. Should have space for 8 bytes.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.212.6"></a><h4>Returns</h4>
<p> The number of bytes received and zero on EOF.  A negative
error code is returned in case of an error.  The number of bytes
received might be less than <em class="parameter"><code>data_size</code></em>
.</p>
</div>
<p class="since">Since: 3.0</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-record-send"></a><h3>gnutls_record_send ()</h3>
<pre class="programlisting"><span class="returnvalue">ssize_t</span>
gnutls_record_send (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>,
                    <em class="parameter"><code>const <span class="type">void</span> *data</code></em>,
                    <em class="parameter"><code><span class="type">size_t</span> data_size</code></em>);</pre>
<p>This function has the similar semantics with <code class="function">send()</code>.  The only
difference is that it accepts a GnuTLS session, and uses different
error codes.
Note that if the send buffer is full, <code class="function">send()</code> will block this
function.  See the <code class="function">send()</code> documentation for more information.  </p>
<p>You can replace the default push function which is <code class="function">send()</code>, by using
<a class="link" href="gnutls-gnutls.html#gnutls-transport-set-push-function" title="gnutls_transport_set_push_function ()"><code class="function">gnutls_transport_set_push_function()</code></a>.</p>
<p>If the EINTR is returned by the internal push function 
then <a class="link" href="gnutls-gnutls.html#GNUTLS-E-INTERRUPTED:CAPS" title="GNUTLS_E_INTERRUPTED"><code class="literal">GNUTLS_E_INTERRUPTED</code></a> will be returned. If
<a class="link" href="gnutls-gnutls.html#GNUTLS-E-INTERRUPTED:CAPS" title="GNUTLS_E_INTERRUPTED"><code class="literal">GNUTLS_E_INTERRUPTED</code></a> or <a class="link" href="gnutls-gnutls.html#GNUTLS-E-AGAIN:CAPS" title="GNUTLS_E_AGAIN"><code class="literal">GNUTLS_E_AGAIN</code></a> is returned, you must
call this function again, with the exact same parameters; alternatively
you could provide a <code class="literal">NULL</code> pointer for data, and 0 for
size. cf. <a class="link" href="gnutls-gnutls.html#gnutls-record-get-direction" title="gnutls_record_get_direction ()"><code class="function">gnutls_record_get_direction()</code></a>. </p>
<p>Note that in DTLS this function will return the <a class="link" href="gnutls-gnutls.html#GNUTLS-E-LARGE-PACKET:CAPS" title="GNUTLS_E_LARGE_PACKET"><code class="literal">GNUTLS_E_LARGE_PACKET</code></a>
error code if the send data exceed the data MTU value - as returned
by <a class="link" href="gnutls-dtls.html#gnutls-dtls-get-data-mtu" title="gnutls_dtls_get_data_mtu ()"><code class="function">gnutls_dtls_get_data_mtu()</code></a>. The errno value EMSGSIZE
also maps to <a class="link" href="gnutls-gnutls.html#GNUTLS-E-LARGE-PACKET:CAPS" title="GNUTLS_E_LARGE_PACKET"><code class="literal">GNUTLS_E_LARGE_PACKET</code></a>. 
Note that since 3.2.13 this function can be called under cork in DTLS
mode, and will refuse to send data over the MTU size by returning
<a class="link" href="gnutls-gnutls.html#GNUTLS-E-LARGE-PACKET:CAPS" title="GNUTLS_E_LARGE_PACKET"><code class="literal">GNUTLS_E_LARGE_PACKET</code></a>.</p>
<div class="refsect3">
<a name="id-1.2.4.6.213.8"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>data</p></td>
<td class="parameter_description"><p>contains the data to send</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>data_size</p></td>
<td class="parameter_description"><p>is the length of the data</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.213.9"></a><h4>Returns</h4>
<p> The number of bytes sent, or a negative error code.  The
number of bytes sent might be less than <em class="parameter"><code>data_size</code></em>
.  The maximum
number of bytes this function can send in a single call depends
on the negotiated maximum record size.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-record-set-max-size"></a><h3>gnutls_record_set_max_size ()</h3>
<pre class="programlisting"><span class="returnvalue">ssize_t</span>
gnutls_record_set_max_size (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>,
                            <em class="parameter"><code><span class="type">size_t</span> size</code></em>);</pre>
<p>This function sets the maximum record packet size in this
connection.  This property can only be set to clients.  The server
may choose not to accept the requested size.</p>
<p>Acceptable values are 512(=2^9), 1024(=2^10), 2048(=2^11) and
4096(=2^12).  The requested record size does get in effect
immediately only while sending data. The receive part will take
effect after a successful handshake.</p>
<p>This function uses a TLS extension called 'max record size'.  Not
all TLS implementations use or even understand this extension.</p>
<div class="refsect3">
<a name="id-1.2.4.6.214.7"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>size</p></td>
<td class="parameter_description"><p>is the new size</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.214.8"></a><h4>Returns</h4>
<p> On success, <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0) is returned,
otherwise a negative error code is returned.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-rehandshake"></a><h3>gnutls_rehandshake ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_rehandshake (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>);</pre>
<p>This function will renegotiate security parameters with the
client.  This should only be called in case of a server.</p>
<p>This message informs the peer that we want to renegotiate
parameters (perform a handshake).</p>
<p>If this function succeeds (returns 0), you must call the
<a class="link" href="gnutls-gnutls.html#gnutls-handshake" title="gnutls_handshake ()"><code class="function">gnutls_handshake()</code></a> function in order to negotiate the new
parameters.</p>
<p>Since TLS is full duplex some application data might have been
sent during peer's processing of this message. In that case
one should call <a class="link" href="gnutls-gnutls.html#gnutls-record-recv" title="gnutls_record_recv ()"><code class="function">gnutls_record_recv()</code></a> until GNUTLS_E_REHANDSHAKE
is returned to clear any pending data. Care must be taken, if
rehandshake is mandatory, to terminate if it does not start after
some threshold.</p>
<p>If the client does not wish to renegotiate parameters he 
should reply with an alert message, thus the return code will be
<a class="link" href="gnutls-gnutls.html#GNUTLS-E-WARNING-ALERT-RECEIVED:CAPS" title="GNUTLS_E_WARNING_ALERT_RECEIVED"><code class="literal">GNUTLS_E_WARNING_ALERT_RECEIVED</code></a> and the alert will be
<a class="link" href="gnutls-gnutls.html#GNUTLS-A-NO-RENEGOTIATION:CAPS"><code class="literal">GNUTLS_A_NO_RENEGOTIATION</code></a>.  A client may also choose to ignore
this message.</p>
<div class="refsect3">
<a name="id-1.2.4.6.215.9"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.215.10"></a><h4>Returns</h4>
<p> <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> on success, otherwise a negative error code.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-safe-renegotiation-status"></a><h3>gnutls_safe_renegotiation_status ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_safe_renegotiation_status (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>);</pre>
<p>Can be used to check whether safe renegotiation is being used
in the current session.</p>
<div class="refsect3">
<a name="id-1.2.4.6.216.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.216.6"></a><h4>Returns</h4>
<p> 0 when safe renegotiation is not used and non (0) when
safe renegotiation is used.</p>
</div>
<p class="since">Since: 2.10.0</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-sec-param-get-name"></a><h3>gnutls_sec_param_get_name ()</h3>
<pre class="programlisting">const <span class="returnvalue">char</span> *
gnutls_sec_param_get_name (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-sec-param-t" title="enum gnutls_sec_param_t"><span class="type">gnutls_sec_param_t</span></a> param</code></em>);</pre>
<p>Convert a <a class="link" href="gnutls-gnutls.html#gnutls-sec-param-t" title="enum gnutls_sec_param_t"><span class="type">gnutls_sec_param_t</span></a> value to a string.</p>
<div class="refsect3">
<a name="id-1.2.4.6.217.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>param</p></td>
<td class="parameter_description"><p>is a security parameter</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.217.6"></a><h4>Returns</h4>
<p> a pointer to a string that contains the name of the
specified security level, or <code class="literal">NULL</code>.</p>
</div>
<p class="since">Since: 2.12.0</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-sec-param-to-pk-bits"></a><h3>gnutls_sec_param_to_pk_bits ()</h3>
<pre class="programlisting"><span class="returnvalue">return</span>
gnutls_sec_param_to_pk_bits (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#GNUTLS-PK-DH:CAPS"><span class="type">GNUTLS_PK_DH</span></a> Param1</code></em>);</pre>
<p>When generating private and public key pairs a difficult question
is which size of "bits" the modulus will be in RSA and the group size
in DSA. The easy answer is 1024, which is also wrong. This function
will convert a human understandable security parameter to an
appropriate size for the specific algorithm.</p>
<div class="refsect3">
<a name="id-1.2.4.6.218.5"></a><h4>Returns</h4>
<p> The number of bits, or (0).</p>
</div>
<p class="since">Since: 2.12.0</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-server-name-get"></a><h3>gnutls_server_name_get ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_server_name_get (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>,
                        <em class="parameter"><code><span class="type">void</span> *data</code></em>,
                        <em class="parameter"><code><span class="type">size_t</span> *data_length</code></em>,
                        <em class="parameter"><code>unsigned <span class="type">int</span> *type</code></em>,
                        <em class="parameter"><code>unsigned <span class="type">int</span> indx</code></em>);</pre>
<p>This function will allow you to get the name indication (if any), a
client has sent.  The name indication may be any of the enumeration
gnutls_server_name_type_t.</p>
<p>If <em class="parameter"><code>type</code></em>
 is GNUTLS_NAME_DNS, then this function is to be used by
servers that support virtual hosting, and the data will be a null
terminated IDNA ACE string (prior to GnuTLS 3.4.0 it was a UTF-8 string).</p>
<p>If <em class="parameter"><code>data</code></em>
 has not enough size to hold the server name
GNUTLS_E_SHORT_MEMORY_BUFFER is returned, and <em class="parameter"><code>data_length</code></em>
 will
hold the required size.</p>
<p><em class="parameter"><code>index</code></em>
 is used to retrieve more than one server names (if sent by
the client).  The first server name has an index of 0, the second 1
and so on.  If no name with the given index exists
GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE is returned.</p>
<div class="refsect3">
<a name="id-1.2.4.6.219.8"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>data</p></td>
<td class="parameter_description"><p>will hold the data</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>data_length</p></td>
<td class="parameter_description"><p>will hold the data length. Must hold the maximum size of data.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>type</p></td>
<td class="parameter_description"><p>will hold the server name indicator type</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>indx</p></td>
<td class="parameter_description"><p>is the index of the server_name</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.219.9"></a><h4>Returns</h4>
<p> On success, <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0) is returned,
otherwise a negative error code is returned.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-server-name-set"></a><h3>gnutls_server_name_set ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_server_name_set (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>,
                        <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-server-name-type-t" title="enum gnutls_server_name_type_t"><span class="type">gnutls_server_name_type_t</span></a> type</code></em>,
                        <em class="parameter"><code>const <span class="type">void</span> *name</code></em>,
                        <em class="parameter"><code><span class="type">size_t</span> name_length</code></em>);</pre>
<p>This function is to be used by clients that want to inform (via a
TLS extension mechanism) the server of the name they connected to.
This should be used by clients that connect to servers that do
virtual hosting.</p>
<p>The value of <em class="parameter"><code>name</code></em>
 depends on the <em class="parameter"><code>type</code></em>
 type.  In case of
<a class="link" href="gnutls-gnutls.html#GNUTLS-NAME-DNS:CAPS"><code class="literal">GNUTLS_NAME_DNS</code></a>, a UTF-8 null-terminated domain name string,
without the trailing dot, is expected.</p>
<p>IPv4 or IPv6 addresses are not permitted.</p>
<div class="refsect3">
<a name="id-1.2.4.6.220.7"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>type</p></td>
<td class="parameter_description"><p>specifies the indicator type</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>name</p></td>
<td class="parameter_description"><p>is a string that contains the server name.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>name_length</p></td>
<td class="parameter_description"><p>holds the length of name</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.220.8"></a><h4>Returns</h4>
<p> On success, <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0) is returned,
otherwise a negative error code is returned.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-session-channel-binding"></a><h3>gnutls_session_channel_binding ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_session_channel_binding (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>,
                                <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-channel-binding-t" title="enum gnutls_channel_binding_t"><span class="type">gnutls_channel_binding_t</span></a> cbtype</code></em>,
                                <em class="parameter"><code><span class="type">gnutls_datum_t</span> *cb</code></em>);</pre>
<p>Extract given channel binding data of the <em class="parameter"><code>cbtype</code></em>
 (e.g.,
<a class="link" href="gnutls-gnutls.html#GNUTLS-CB-TLS-UNIQUE:CAPS"><code class="literal">GNUTLS_CB_TLS_UNIQUE</code></a>) type.</p>
<div class="refsect3">
<a name="id-1.2.4.6.221.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>cbtype</p></td>
<td class="parameter_description"><p>an <a class="link" href="gnutls-gnutls.html#gnutls-channel-binding-t" title="enum gnutls_channel_binding_t"><span class="type">gnutls_channel_binding_t</span></a> enumeration type</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>cb</p></td>
<td class="parameter_description"><p>output buffer array with data</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.221.6"></a><h4>Returns</h4>
<p> <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> on success,
<a class="link" href="gnutls-gnutls.html#GNUTLS-E-UNIMPLEMENTED-FEATURE:CAPS" title="GNUTLS_E_UNIMPLEMENTED_FEATURE"><code class="literal">GNUTLS_E_UNIMPLEMENTED_FEATURE</code></a> if the <em class="parameter"><code>cbtype</code></em>
is unsupported,
<a class="link" href="gnutls-gnutls.html#GNUTLS-E-CHANNEL-BINDING-NOT-AVAILABLE:CAPS" title="GNUTLS_E_CHANNEL_BINDING_NOT_AVAILABLE"><code class="literal">GNUTLS_E_CHANNEL_BINDING_NOT_AVAILABLE</code></a> if the data is not
currently available, or an error code.</p>
</div>
<p class="since">Since: 2.12.0</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-session-enable-compatibility-mode"></a><h3>gnutls_session_enable_compatibility_mode ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_session_enable_compatibility_mode
                               (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>);</pre>
<p>This function can be used to disable certain (security) features in
TLS in order to maintain maximum compatibility with buggy
clients. Because several trade-offs with security are enabled,
if required they will be reported through the audit subsystem.</p>
<p>Normally only servers that require maximum compatibility with
everything out there, need to call this function.</p>
<p>Note that this function must be called after any call to gnutls_priority
functions.</p>
<div class="refsect3">
<a name="id-1.2.4.6.222.7"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-session-get-data"></a><h3>gnutls_session_get_data ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_session_get_data (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>,
                         <em class="parameter"><code><span class="type">void</span> *session_data</code></em>,
                         <em class="parameter"><code><span class="type">size_t</span> *session_data_size</code></em>);</pre>
<p>Returns all session parameters needed to be stored to support resumption.
The client should call this, and store the returned session data. A session
may be resumed later by calling <a class="link" href="gnutls-gnutls.html#gnutls-session-set-data" title="gnutls_session_set_data ()"><code class="function">gnutls_session_set_data()</code></a>.  
This function must be called after a successful (full) handshake. It should
not be used in already resumed sessions --see <a class="link" href="gnutls-gnutls.html#gnutls-session-is-resumed" title="gnutls_session_is_resumed ()"><code class="function">gnutls_session_is_resumed()</code></a>.</p>
<div class="refsect3">
<a name="id-1.2.4.6.223.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>session_data</p></td>
<td class="parameter_description"><p>is a pointer to space to hold the session.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>session_data_size</p></td>
<td class="parameter_description"><p>is the session_data's size, or it will be set by the function.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.223.6"></a><h4>Returns</h4>
<p> On success, <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0) is returned, otherwise
an error code is returned.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-session-get-data2"></a><h3>gnutls_session_get_data2 ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_session_get_data2 (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>,
                          <em class="parameter"><code><span class="type">gnutls_datum_t</span> *data</code></em>);</pre>
<p>Returns all session parameters needed to be stored to support resumption.
The client should call this, and store the returned session data. A session
may be resumed later by calling <a class="link" href="gnutls-gnutls.html#gnutls-session-set-data" title="gnutls_session_set_data ()"><code class="function">gnutls_session_set_data()</code></a>.  
This function must be called after a successful (full) handshake. It should
not be used in already resumed sessions --see <a class="link" href="gnutls-gnutls.html#gnutls-session-is-resumed" title="gnutls_session_is_resumed ()"><code class="function">gnutls_session_is_resumed()</code></a>.</p>
<p>The returned <em class="parameter"><code>data</code></em>
 are allocated and must be released using <a href="/usr/share/gtk-doc/html/gnutls/gnutls-gnutls.html#gnutls-free"><code class="function">gnutls_free()</code></a>.</p>
<div class="refsect3">
<a name="id-1.2.4.6.224.6"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>data</p></td>
<td class="parameter_description"><p>is a pointer to a datum that will hold the session.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.224.7"></a><h4>Returns</h4>
<p> On success, <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0) is returned, otherwise
an error code is returned.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-session-get-id"></a><h3>gnutls_session_get_id ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_session_get_id (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>,
                       <em class="parameter"><code><span class="type">void</span> *session_id</code></em>,
                       <em class="parameter"><code><span class="type">size_t</span> *session_id_size</code></em>);</pre>
<p>Returns the current session ID. This can be used if you want to
check if the next session you tried to resume was actually
resumed.  That is because resumed sessions share the same session ID
with the original session.</p>
<p>The session ID is selected by the server, that identify the
current session.  In all supported TLS protocols, the session id
is less than <code class="literal">GNUTLS_MAX_SESSION_ID_SIZE</code>.</p>
<div class="refsect3">
<a name="id-1.2.4.6.225.6"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>session_id</p></td>
<td class="parameter_description"><p>is a pointer to space to hold the session id.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>session_id_size</p></td>
<td class="parameter_description"><p>initially should contain the maximum <em class="parameter"><code>session_id</code></em>
size and will be updated.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.225.7"></a><h4>Returns</h4>
<p> On success, <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0) is returned, otherwise
an error code is returned.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-session-get-id2"></a><h3>gnutls_session_get_id2 ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_session_get_id2 (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>,
                        <em class="parameter"><code><span class="type">gnutls_datum_t</span> *session_id</code></em>);</pre>
<p>Returns the current session ID. The returned data should be
treated as constant.</p>
<div class="refsect3">
<a name="id-1.2.4.6.226.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>session_id</p></td>
<td class="parameter_description"><p>will point to the session ID.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.226.6"></a><h4>Returns</h4>
<p> On success, <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0) is returned, otherwise
an error code is returned.</p>
</div>
<p class="since">Since: 3.1.4</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-session-get-ptr"></a><h3>gnutls_session_get_ptr ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> *
gnutls_session_get_ptr (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>);</pre>
<p>Get user pointer for session.  Useful in callbacks.  This is the
  pointer set with <a class="link" href="gnutls-gnutls.html#gnutls-session-set-ptr" title="gnutls_session_set_ptr ()"><code class="function">gnutls_session_set_ptr()</code></a>.</p>
<div class="refsect3">
<a name="id-1.2.4.6.227.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.227.6"></a><h4>Returns</h4>
<p> the user given pointer from the session structure, or
<code class="literal">NULL</code> if it was never set.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-session-get-random"></a><h3>gnutls_session_get_random ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_session_get_random (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>,
                           <em class="parameter"><code><span class="type">gnutls_datum_t</span> *client</code></em>,
                           <em class="parameter"><code><span class="type">gnutls_datum_t</span> *server</code></em>);</pre>
<p>This function returns pointers to the client and server
random fields used in the TLS handshake. The pointers are
not to be modified or deallocated.</p>
<p>If a client random value has not yet been established, the output
will be garbage.</p>
<div class="refsect3">
<a name="id-1.2.4.6.228.6"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>client</p></td>
<td class="parameter_description"><p>the client part of the random</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>server</p></td>
<td class="parameter_description"><p>the server part of the random</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: 3.0</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-session-is-resumed"></a><h3>gnutls_session_is_resumed ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_session_is_resumed (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>);</pre>
<p>Check whether session is resumed or not.</p>
<div class="refsect3">
<a name="id-1.2.4.6.229.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.229.6"></a><h4>Returns</h4>
<p> non zero if this session is resumed, or a zero if this is
a new session.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-session-resumption-requested"></a><h3>gnutls_session_resumption_requested ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_session_resumption_requested (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>);</pre>
<p>Check whether the client has asked for session resumption.
This function is valid only on server side.</p>
<div class="refsect3">
<a name="id-1.2.4.6.230.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.230.6"></a><h4>Returns</h4>
<p> non zero if session resumption was asked, or a zero if not.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-session-set-data"></a><h3>gnutls_session_set_data ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_session_set_data (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>,
                         <em class="parameter"><code>const <span class="type">void</span> *session_data</code></em>,
                         <em class="parameter"><code><span class="type">size_t</span> session_data_size</code></em>);</pre>
<p>Sets all session parameters, in order to resume a previously
established session.  The session data given must be the one
returned by <a class="link" href="gnutls-gnutls.html#gnutls-session-get-data" title="gnutls_session_get_data ()"><code class="function">gnutls_session_get_data()</code></a>.  This function should be
called before <a class="link" href="gnutls-gnutls.html#gnutls-handshake" title="gnutls_handshake ()"><code class="function">gnutls_handshake()</code></a>.</p>
<p>Keep in mind that session resuming is advisory. The server may
choose not to resume the session, thus a full handshake will be
performed.</p>
<div class="refsect3">
<a name="id-1.2.4.6.231.6"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>session_data</p></td>
<td class="parameter_description"><p>is a pointer to space to hold the session.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>session_data_size</p></td>
<td class="parameter_description"><p>is the session's size</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.231.7"></a><h4>Returns</h4>
<p> On success, <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0) is returned, otherwise
an error code is returned.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-session-set-premaster"></a><h3>gnutls_session_set_premaster ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_session_set_premaster (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>,
                              <em class="parameter"><code>unsigned <span class="type">int</span> entity</code></em>,
                              <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-protocol-t" title="enum gnutls_protocol_t"><span class="type">gnutls_protocol_t</span></a> version</code></em>,
                              <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-kx-algorithm-t" title="enum gnutls_kx_algorithm_t"><span class="type">gnutls_kx_algorithm_t</span></a> kx</code></em>,
                              <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-cipher-algorithm-t" title="enum gnutls_cipher_algorithm_t"><span class="type">gnutls_cipher_algorithm_t</span></a> cipher</code></em>,
                              <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-mac-algorithm-t" title="enum gnutls_mac_algorithm_t"><span class="type">gnutls_mac_algorithm_t</span></a> mac</code></em>,
                              <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-compression-method-t" title="enum gnutls_compression_method_t"><span class="type">gnutls_compression_method_t</span></a> comp</code></em>,
                              <em class="parameter"><code>const <span class="type">gnutls_datum_t</span> *master</code></em>,
                              <em class="parameter"><code>const <span class="type">gnutls_datum_t</span> *session_id</code></em>);</pre>
<p>This function sets the premaster secret in a session. This is
a function intended for exceptional uses. Do not use this
function unless you are implementing a legacy protocol.
Use <a class="link" href="gnutls-gnutls.html#gnutls-session-set-data" title="gnutls_session_set_data ()"><code class="function">gnutls_session_set_data()</code></a> instead.</p>
<div class="refsect3">
<a name="id-1.2.4.6.232.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>entity</p></td>
<td class="parameter_description"><p>GNUTLS_SERVER or GNUTLS_CLIENT</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>version</p></td>
<td class="parameter_description"><p>the TLS protocol version</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>kx</p></td>
<td class="parameter_description"><p>the key exchange method</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>cipher</p></td>
<td class="parameter_description"><p>the cipher</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>mac</p></td>
<td class="parameter_description"><p>the MAC algorithm</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>comp</p></td>
<td class="parameter_description"><p>the compression method</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>master</p></td>
<td class="parameter_description"><p>the master key to use</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>session_id</p></td>
<td class="parameter_description"><p>the session identifier</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.232.6"></a><h4>Returns</h4>
<p> On success, <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0) is returned, otherwise
an error code is returned.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-session-set-ptr"></a><h3>gnutls_session_set_ptr ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_session_set_ptr (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>,
                        <em class="parameter"><code><span class="type">void</span> *ptr</code></em>);</pre>
<p>This function will set (associate) the user given pointer <em class="parameter"><code>ptr</code></em>
 to
the session structure.  This pointer can be accessed with
<a class="link" href="gnutls-gnutls.html#gnutls-session-get-ptr" title="gnutls_session_get_ptr ()"><code class="function">gnutls_session_get_ptr()</code></a>.</p>
<div class="refsect3">
<a name="id-1.2.4.6.233.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>ptr</p></td>
<td class="parameter_description"><p>is the user pointer</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-session-ticket-enable-client"></a><h3>gnutls_session_ticket_enable_client ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_session_ticket_enable_client (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>);</pre>
<p>Request that the client should attempt session resumption using
SessionTicket.</p>
<div class="refsect3">
<a name="id-1.2.4.6.234.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.234.6"></a><h4>Returns</h4>
<p> On success, <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0) is returned, or an
error code.</p>
</div>
<p class="since">Since: 2.10.0</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-session-ticket-enable-server"></a><h3>gnutls_session_ticket_enable_server ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_session_ticket_enable_server (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>,
                                     <em class="parameter"><code>const <span class="type">gnutls_datum_t</span> *key</code></em>);</pre>
<p>Request that the server should attempt session resumption using
SessionTicket.  <em class="parameter"><code>key</code></em>
 must be initialized with
<a class="link" href="gnutls-gnutls.html#gnutls-session-ticket-key-generate" title="gnutls_session_ticket_key_generate ()"><code class="function">gnutls_session_ticket_key_generate()</code></a>, and should be overwritten
using <code class="function">gnutls_memset()</code> before being released.</p>
<div class="refsect3">
<a name="id-1.2.4.6.235.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>key</p></td>
<td class="parameter_description"><p>key to encrypt session parameters.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.235.6"></a><h4>Returns</h4>
<p> On success, <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0) is returned, or an
error code.</p>
</div>
<p class="since">Since: 2.10.0</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-session-ticket-key-generate"></a><h3>gnutls_session_ticket_key_generate ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_session_ticket_key_generate (<em class="parameter"><code><span class="type">gnutls_datum_t</span> *key</code></em>);</pre>
<p>Generate a random key to encrypt security parameters within
SessionTicket.</p>
<div class="refsect3">
<a name="id-1.2.4.6.236.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>key</p></td>
<td class="parameter_description"><p>is a pointer to a <span class="type">gnutls_datum_t</span> which will contain a newly
created key.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.236.6"></a><h4>Returns</h4>
<p> On success, <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0) is returned, or an
error code.</p>
</div>
<p class="since">Since: 2.10.0</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-set-default-priority"></a><h3>gnutls_set_default_priority ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_set_default_priority (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>);</pre>
<p>Sets the default priority on the ciphers, key exchange methods,
macs and compression methods. For more fine-tuning you could
use <a class="link" href="gnutls-gnutls.html#gnutls-priority-set-direct" title="gnutls_priority_set_direct ()"><code class="function">gnutls_priority_set_direct()</code></a> or <a class="link" href="gnutls-gnutls.html#gnutls-priority-set" title="gnutls_priority_set ()"><code class="function">gnutls_priority_set()</code></a> instead.</p>
<div class="refsect3">
<a name="id-1.2.4.6.237.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.237.6"></a><h4>Returns</h4>
<p> <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> on success, or an error code.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-sign-algorithm-get"></a><h3>gnutls_sign_algorithm_get ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_sign_algorithm_get (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>);</pre>
<p>Returns the signature algorithm that is (or will be) used in this 
session by the server to sign data.</p>
<div class="refsect3">
<a name="id-1.2.4.6.238.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.238.6"></a><h4>Returns</h4>
<p> The sign algorithm or <a class="link" href="gnutls-gnutls.html#GNUTLS-SIGN-UNKNOWN:CAPS"><code class="literal">GNUTLS_SIGN_UNKNOWN</code></a>.</p>
</div>
<p class="since">Since: 3.1.1</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-sign-algorithm-get-requested"></a><h3>gnutls_sign_algorithm_get_requested ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_sign_algorithm_get_requested (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>,
                                     <em class="parameter"><code><span class="type">size_t</span> indx</code></em>,
                                     <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-sign-algorithm-t" title="enum gnutls_sign_algorithm_t"><span class="type">gnutls_sign_algorithm_t</span></a> *algo</code></em>);</pre>
<p>Returns the signature algorithm specified by index that was
requested by the peer. If the specified index has no data available
this function returns <a class="link" href="gnutls-gnutls.html#GNUTLS-E-REQUESTED-DATA-NOT-AVAILABLE:CAPS" title="GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE"><code class="literal">GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE</code></a>.  If
the negotiated TLS version does not support signature algorithms
then <a class="link" href="gnutls-gnutls.html#GNUTLS-E-REQUESTED-DATA-NOT-AVAILABLE:CAPS" title="GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE"><code class="literal">GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE</code></a> will be returned even
for the first index.  The first index is 0.</p>
<p>This function is useful in the certificate callback functions
to assist in selecting the correct certificate.</p>
<div class="refsect3">
<a name="id-1.2.4.6.239.6"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>indx</p></td>
<td class="parameter_description"><p>is an index of the signature algorithm to return</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>algo</p></td>
<td class="parameter_description"><p>the returned certificate type will be stored there</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.239.7"></a><h4>Returns</h4>
<p> On success, <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0) is returned, otherwise
an error code is returned.</p>
</div>
<p class="since">Since: 2.10.0</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-sign-get-hash-algorithm"></a><h3>gnutls_sign_get_hash_algorithm ()</h3>
<pre class="programlisting"><a class="link" href="gnutls-gnutls.html#gnutls-digest-algorithm-t" title="enum gnutls_digest_algorithm_t"><span class="returnvalue">gnutls_digest_algorithm_t</span></a>
gnutls_sign_get_hash_algorithm (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-sign-algorithm-t" title="enum gnutls_sign_algorithm_t"><span class="type">gnutls_sign_algorithm_t</span></a> sign</code></em>);</pre>
<p>This function returns the digest algorithm corresponding to
the given signature algorithms.</p>
<div class="refsect3">
<a name="id-1.2.4.6.240.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>sign</p></td>
<td class="parameter_description"><p>is a signature algorithm</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.240.6"></a><h4>Returns</h4>
<p> return a <a class="link" href="gnutls-gnutls.html#gnutls-digest-algorithm-t" title="enum gnutls_digest_algorithm_t"><span class="type">gnutls_digest_algorithm_t</span></a> value, or <a class="link" href="gnutls-gnutls.html#GNUTLS-DIG-UNKNOWN:CAPS"><code class="literal">GNUTLS_DIG_UNKNOWN</code></a> on error.</p>
</div>
<p class="since">Since: 3.1.1</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-sign-get-id"></a><h3>gnutls_sign_get_id ()</h3>
<pre class="programlisting"><a class="link" href="gnutls-gnutls.html#gnutls-sign-algorithm-t" title="enum gnutls_sign_algorithm_t"><span class="returnvalue">gnutls_sign_algorithm_t</span></a>
gnutls_sign_get_id (<em class="parameter"><code>const <span class="type">char</span> *name</code></em>);</pre>
<p>The names are compared in a case insensitive way.</p>
<div class="refsect3">
<a name="id-1.2.4.6.241.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>name</p></td>
<td class="parameter_description"><p>is a sign algorithm name</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.241.6"></a><h4>Returns</h4>
<p> return a <a class="link" href="gnutls-gnutls.html#gnutls-sign-algorithm-t" title="enum gnutls_sign_algorithm_t"><span class="type">gnutls_sign_algorithm_t</span></a> value corresponding to
the specified algorithm, or <a class="link" href="gnutls-gnutls.html#GNUTLS-SIGN-UNKNOWN:CAPS"><code class="literal">GNUTLS_SIGN_UNKNOWN</code></a> on error.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-sign-get-name"></a><h3>gnutls_sign_get_name ()</h3>
<pre class="programlisting">const <span class="returnvalue">char</span> *
gnutls_sign_get_name (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-sign-algorithm-t" title="enum gnutls_sign_algorithm_t"><span class="type">gnutls_sign_algorithm_t</span></a> algorithm</code></em>);</pre>
<p>Convert a <a class="link" href="gnutls-gnutls.html#gnutls-sign-algorithm-t" title="enum gnutls_sign_algorithm_t"><span class="type">gnutls_sign_algorithm_t</span></a> value to a string.</p>
<div class="refsect3">
<a name="id-1.2.4.6.242.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>algorithm</p></td>
<td class="parameter_description"><p>is a sign algorithm</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.242.6"></a><h4>Returns</h4>
<p> a string that contains the name of the specified sign
algorithm, or <code class="literal">NULL</code>.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-sign-get-pk-algorithm"></a><h3>gnutls_sign_get_pk_algorithm ()</h3>
<pre class="programlisting"><a class="link" href="gnutls-gnutls.html#gnutls-pk-algorithm-t" title="enum gnutls_pk_algorithm_t"><span class="returnvalue">gnutls_pk_algorithm_t</span></a>
gnutls_sign_get_pk_algorithm (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-sign-algorithm-t" title="enum gnutls_sign_algorithm_t"><span class="type">gnutls_sign_algorithm_t</span></a> sign</code></em>);</pre>
<p>This function returns the public key algorithm corresponding to
the given signature algorithms.</p>
<div class="refsect3">
<a name="id-1.2.4.6.243.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>sign</p></td>
<td class="parameter_description"><p>is a signature algorithm</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.243.6"></a><h4>Returns</h4>
<p> return a <a class="link" href="gnutls-gnutls.html#gnutls-pk-algorithm-t" title="enum gnutls_pk_algorithm_t"><span class="type">gnutls_pk_algorithm_t</span></a> value, or <a class="link" href="gnutls-gnutls.html#GNUTLS-PK-UNKNOWN:CAPS"><code class="literal">GNUTLS_PK_UNKNOWN</code></a> on error.</p>
</div>
<p class="since">Since: 3.1.1</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-sign-is-secure"></a><h3>gnutls_sign_is_secure ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_sign_is_secure (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-sign-algorithm-t" title="enum gnutls_sign_algorithm_t"><span class="type">gnutls_sign_algorithm_t</span></a> algorithm</code></em>);</pre>
<div class="refsect3">
<a name="id-1.2.4.6.244.4"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>algorithm</p></td>
<td class="parameter_description"><p>is a sign algorithm</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.244.5"></a><h4>Returns</h4>
<p> Non-zero if the provided signature algorithm is considered to be secure.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-sign-list"></a><h3>gnutls_sign_list ()</h3>
<pre class="programlisting">const <a class="link" href="gnutls-gnutls.html#gnutls-sign-algorithm-t" title="enum gnutls_sign_algorithm_t"><span class="returnvalue">gnutls_sign_algorithm_t</span></a> *
gnutls_sign_list (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>Get a list of supported public key signature algorithms.</p>
<div class="refsect3">
<a name="id-1.2.4.6.245.5"></a><h4>Returns</h4>
<p> a (0)-terminated list of <a class="link" href="gnutls-gnutls.html#gnutls-sign-algorithm-t" title="enum gnutls_sign_algorithm_t"><span class="type">gnutls_sign_algorithm_t</span></a>
integers indicating the available ciphers.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-srp-allocate-client-credentials"></a><h3>gnutls_srp_allocate_client_credentials ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_srp_allocate_client_credentials
                               (<em class="parameter"><code><span class="type">gnutls_srp_client_credentials_t</span> *sc</code></em>);</pre>
<p>This structure is complex enough to manipulate directly thus
this helper function is provided in order to allocate it.</p>
<div class="refsect3">
<a name="id-1.2.4.6.246.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>sc</p></td>
<td class="parameter_description"><p>is a pointer to a <span class="type">gnutls_srp_server_credentials_t</span> type.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.246.6"></a><h4>Returns</h4>
<p> On success, <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0) is returned, or an
error code.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-srp-allocate-server-credentials"></a><h3>gnutls_srp_allocate_server_credentials ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_srp_allocate_server_credentials
                               (<em class="parameter"><code><span class="type">gnutls_srp_server_credentials_t</span> *sc</code></em>);</pre>
<p>This structure is complex enough to manipulate directly thus this
helper function is provided in order to allocate it.</p>
<div class="refsect3">
<a name="id-1.2.4.6.247.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>sc</p></td>
<td class="parameter_description"><p>is a pointer to a <span class="type">gnutls_srp_server_credentials_t</span> type.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.247.6"></a><h4>Returns</h4>
<p> On success, <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0) is returned, or an
error code.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-srp-base64-decode"></a><h3>gnutls_srp_base64_decode ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_srp_base64_decode (<em class="parameter"><code>const <span class="type">gnutls_datum_t</span> *b64_data</code></em>,
                          <em class="parameter"><code><span class="type">char</span> *result</code></em>,
                          <em class="parameter"><code><span class="type">size_t</span> *result_size</code></em>);</pre>
<p>This function will decode the given encoded data, using the base64
encoding found in libsrp.</p>
<p>Note that <em class="parameter"><code>b64_data</code></em>
 should be null terminated.</p>
<p>Warning!  This base64 encoding is not the "standard" encoding, so
do not use it for non-SRP purposes.</p>
<div class="refsect3">
<a name="id-1.2.4.6.248.7"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>b64_data</p></td>
<td class="parameter_description"><p>contain the encoded data</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>result</p></td>
<td class="parameter_description"><p>the place where decoded data will be copied</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>result_size</p></td>
<td class="parameter_description"><p>holds the size of the result</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.248.8"></a><h4>Returns</h4>
<p> <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SHORT-MEMORY-BUFFER:CAPS" title="GNUTLS_E_SHORT_MEMORY_BUFFER"><code class="literal">GNUTLS_E_SHORT_MEMORY_BUFFER</code></a> if the buffer given is not
long enough, or 0 on success.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-srp-base64-encode"></a><h3>gnutls_srp_base64_encode ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_srp_base64_encode (<em class="parameter"><code>const <span class="type">gnutls_datum_t</span> *data</code></em>,
                          <em class="parameter"><code><span class="type">char</span> *result</code></em>,
                          <em class="parameter"><code><span class="type">size_t</span> *result_size</code></em>);</pre>
<p>This function will convert the given data to printable data, using
the base64 encoding, as used in the libsrp.  This is the encoding
used in SRP password files.  If the provided buffer is not long
enough GNUTLS_E_SHORT_MEMORY_BUFFER is returned.</p>
<p>Warning!  This base64 encoding is not the "standard" encoding, so
do not use it for non-SRP purposes.</p>
<div class="refsect3">
<a name="id-1.2.4.6.249.6"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>data</p></td>
<td class="parameter_description"><p>contain the raw data</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>result</p></td>
<td class="parameter_description"><p>the place where base64 data will be copied</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>result_size</p></td>
<td class="parameter_description"><p>holds the size of the result</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.249.7"></a><h4>Returns</h4>
<p> <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SHORT-MEMORY-BUFFER:CAPS" title="GNUTLS_E_SHORT_MEMORY_BUFFER"><code class="literal">GNUTLS_E_SHORT_MEMORY_BUFFER</code></a> if the buffer given is not
long enough, or 0 on success.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-srp-free-client-credentials"></a><h3>gnutls_srp_free_client_credentials ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_srp_free_client_credentials (<em class="parameter"><code><span class="type">gnutls_srp_client_credentials_t</span> sc</code></em>);</pre>
<p>This structure is complex enough to manipulate directly thus
this helper function is provided in order to free (deallocate) it.</p>
<div class="refsect3">
<a name="id-1.2.4.6.250.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>sc</p></td>
<td class="parameter_description"><p>is a <span class="type">gnutls_srp_client_credentials_t</span> type.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-srp-free-server-credentials"></a><h3>gnutls_srp_free_server_credentials ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_srp_free_server_credentials (<em class="parameter"><code><span class="type">gnutls_srp_server_credentials_t</span> sc</code></em>);</pre>
<p>This structure is complex enough to manipulate directly thus
this helper function is provided in order to free (deallocate) it.</p>
<div class="refsect3">
<a name="id-1.2.4.6.251.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>sc</p></td>
<td class="parameter_description"><p>is a <span class="type">gnutls_srp_server_credentials_t</span> type.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-srp-server-get-username"></a><h3>gnutls_srp_server_get_username ()</h3>
<pre class="programlisting">const <span class="returnvalue">char</span> *
gnutls_srp_server_get_username (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>);</pre>
<p>This function will return the username of the peer.  This should
only be called in case of SRP authentication and in case of a
server.  Returns NULL in case of an error.</p>
<div class="refsect3">
<a name="id-1.2.4.6.252.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a gnutls session</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.252.6"></a><h4>Returns</h4>
<p> SRP username of the peer, or NULL in case of error.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-srp-set-client-credentials"></a><h3>gnutls_srp_set_client_credentials ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_srp_set_client_credentials (<em class="parameter"><code><span class="type">gnutls_srp_client_credentials_t</span> res</code></em>,
                                   <em class="parameter"><code>const <span class="type">char</span> *username</code></em>,
                                   <em class="parameter"><code>const <span class="type">char</span> *password</code></em>);</pre>
<p>This function sets the username and password, in a
<span class="type">gnutls_srp_client_credentials_t</span> type.  Those will be used in
SRP authentication.  <em class="parameter"><code>username</code></em>
 and <em class="parameter"><code>password</code></em>
 should be ASCII
strings or UTF-8 strings prepared using the "SASLprep" profile of
"stringprep".</p>
<div class="refsect3">
<a name="id-1.2.4.6.253.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>res</p></td>
<td class="parameter_description"><p>is a <span class="type">gnutls_srp_client_credentials_t</span> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>username</p></td>
<td class="parameter_description"><p>is the user's userid</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>password</p></td>
<td class="parameter_description"><p>is the user's password</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.253.6"></a><h4>Returns</h4>
<p> On success, <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0) is returned, or an
error code.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-srp-set-client-credentials-function"></a><h3>gnutls_srp_set_client_credentials_function ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_srp_set_client_credentials_function
                               (<em class="parameter"><code><span class="type">gnutls_srp_client_credentials_t</span> cred</code></em>,
                                <em class="parameter"><code><span class="type">gnutls_srp_client_credentials_function</span> *func</code></em>);</pre>
<p>This function can be used to set a callback to retrieve the
username and password for client SRP authentication.  The
callback's function form is:</p>
<p>int (*callback)(gnutls_session_t, char** username, char**password);</p>
<p>The <em class="parameter"><code>username</code></em>
 and <em class="parameter"><code>password</code></em>
 must be allocated using
<a href="/usr/share/gtk-doc/html/gnutls/gnutls-gnutls.html#gnutls-malloc"><code class="function">gnutls_malloc()</code></a>.  <em class="parameter"><code>username</code></em>
 and <em class="parameter"><code>password</code></em>
 should be ASCII strings
or UTF-8 strings prepared using the "SASLprep" profile of
"stringprep".</p>
<p>The callback function will be called once per handshake before the
initial hello message is sent.</p>
<p>The callback should not return a negative error code the second
time called, since the handshake procedure will be aborted.</p>
<p>The callback function should return 0 on success.
-1 indicates an error.</p>
<div class="refsect3">
<a name="id-1.2.4.6.254.10"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>cred</p></td>
<td class="parameter_description"><p>is a <span class="type">gnutls_srp_server_credentials_t</span> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>func</p></td>
<td class="parameter_description"><p>is the callback function</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-srp-set-prime-bits"></a><h3>gnutls_srp_set_prime_bits ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_srp_set_prime_bits (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>,
                           <em class="parameter"><code>unsigned <span class="type">int</span> bits</code></em>);</pre>
<p>This function sets the minimum accepted number of bits, for use in
an SRP key exchange.  If zero, the default 2048 bits will be used.</p>
<p>In the client side it sets the minimum accepted number of bits.  If
a server sends a prime with less bits than that
<a class="link" href="gnutls-gnutls.html#GNUTLS-E-RECEIVED-ILLEGAL-PARAMETER:CAPS" title="GNUTLS_E_RECEIVED_ILLEGAL_PARAMETER"><code class="literal">GNUTLS_E_RECEIVED_ILLEGAL_PARAMETER</code></a> will be returned by the
handshake.</p>
<p>This function has no effect in server side.</p>
<div class="refsect3">
<a name="id-1.2.4.6.255.7"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>bits</p></td>
<td class="parameter_description"><p>is the number of bits</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: 2.6.0</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-srp-set-server-credentials-file"></a><h3>gnutls_srp_set_server_credentials_file ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_srp_set_server_credentials_file
                               (<em class="parameter"><code><span class="type">gnutls_srp_server_credentials_t</span> res</code></em>,
                                <em class="parameter"><code>const <span class="type">char</span> *password_file</code></em>,
                                <em class="parameter"><code>const <span class="type">char</span> *password_conf_file</code></em>);</pre>
<p>This function sets the password files, in a
<span class="type">gnutls_srp_server_credentials_t</span> type.  Those password files
hold usernames and verifiers and will be used for SRP
authentication.</p>
<div class="refsect3">
<a name="id-1.2.4.6.256.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>res</p></td>
<td class="parameter_description"><p>is a <span class="type">gnutls_srp_server_credentials_t</span> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>password_file</p></td>
<td class="parameter_description"><p>is the SRP password file (tpasswd)</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>password_conf_file</p></td>
<td class="parameter_description"><p>is the SRP password conf file (tpasswd.conf)</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.256.6"></a><h4>Returns</h4>
<p> On success, <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0) is returned, or an
error code.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-srp-set-server-credentials-function"></a><h3>gnutls_srp_set_server_credentials_function ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_srp_set_server_credentials_function
                               (<em class="parameter"><code><span class="type">gnutls_srp_server_credentials_t</span> cred</code></em>,
                                <em class="parameter"><code><span class="type">gnutls_srp_server_credentials_function</span> *func</code></em>);</pre>
<p>This function can be used to set a callback to retrieve the user's
SRP credentials.  The callback's function form is:</p>
<p>int (*callback)(gnutls_session_t, const char* username,
 gnutls_datum_t *salt, gnutls_datum_t *verifier, gnutls_datum_t *generator,
 gnutls_datum_t *prime);</p>
<p><em class="parameter"><code>username</code></em>
 contains the actual username.
The <em class="parameter"><code>salt</code></em>
, <em class="parameter"><code>verifier</code></em>
, <em class="parameter"><code>generator</code></em>
 and <em class="parameter"><code>prime</code></em>
 must be filled
in using the <a href="/usr/share/gtk-doc/html/gnutls/gnutls-gnutls.html#gnutls-malloc"><code class="function">gnutls_malloc()</code></a>. For convenience <em class="parameter"><code>prime</code></em>
 and <em class="parameter"><code>generator</code></em>

may also be one of the static parameters defined in gnutls.h.</p>
<p>Initially, the data field is NULL in every <span class="type">gnutls_datum_t</span>
structure that the callback has to fill in. When the
callback is done GnuTLS deallocates all of those buffers
which are non-NULL, regardless of the return value.</p>
<p>In order to prevent attackers from guessing valid usernames,
if a user does not exist, g and n values should be filled in
using a random user's parameters. In that case the callback must
return the special value (1).
See <span class="type">gnutls_srp_set_server_fake_salt_seed</span> too.
If this is not required for your application, return a negative
number from the callback to abort the handshake.</p>
<p>The callback function will only be called once per handshake.
The callback function should return 0 on success, while
-1 indicates an error.</p>
<div class="refsect3">
<a name="id-1.2.4.6.257.10"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>cred</p></td>
<td class="parameter_description"><p>is a <span class="type">gnutls_srp_server_credentials_t</span> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>func</p></td>
<td class="parameter_description"><p>is the callback function</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-srp-verifier"></a><h3>gnutls_srp_verifier ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_srp_verifier (<em class="parameter"><code>const <span class="type">char</span> *username</code></em>,
                     <em class="parameter"><code>const <span class="type">char</span> *password</code></em>,
                     <em class="parameter"><code>const <span class="type">gnutls_datum_t</span> *salt</code></em>,
                     <em class="parameter"><code>const <span class="type">gnutls_datum_t</span> *generator</code></em>,
                     <em class="parameter"><code>const <span class="type">gnutls_datum_t</span> *prime</code></em>,
                     <em class="parameter"><code><span class="type">gnutls_datum_t</span> *res</code></em>);</pre>
<p>This function will create an SRP verifier, as specified in
RFC2945.  The <em class="parameter"><code>prime</code></em>
 and <em class="parameter"><code>generator</code></em>
 should be one of the static
parameters defined in gnutls/gnutls.h or may be generated.</p>
<p>The verifier will be allocated with <em class="parameter"><code><a href="/usr/share/gtk-doc/html/gnutls/gnutls-gnutls.html#gnutls-malloc"><code class="function">gnutls_malloc()</code></a></code></em>
 and will be stored in
<em class="parameter"><code>res</code></em>
 using binary format.</p>
<div class="refsect3">
<a name="id-1.2.4.6.258.6"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>username</p></td>
<td class="parameter_description"><p>is the user's name</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>password</p></td>
<td class="parameter_description"><p>is the user's password</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>salt</p></td>
<td class="parameter_description"><p>should be some randomly generated bytes</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>generator</p></td>
<td class="parameter_description"><p>is the generator of the group</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>prime</p></td>
<td class="parameter_description"><p>is the group's prime</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>res</p></td>
<td class="parameter_description"><p>where the verifier will be stored.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.258.7"></a><h4>Returns</h4>
<p> On success, <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0) is returned, or an
error code.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-srtp-get-keys"></a><h3>gnutls_srtp_get_keys ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_srtp_get_keys (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>,
                      <em class="parameter"><code><span class="type">void</span> *key_material</code></em>,
                      <em class="parameter"><code>unsigned <span class="type">int</span> key_material_size</code></em>,
                      <em class="parameter"><code><span class="type">gnutls_datum_t</span> *client_key</code></em>,
                      <em class="parameter"><code><span class="type">gnutls_datum_t</span> *client_salt</code></em>,
                      <em class="parameter"><code><span class="type">gnutls_datum_t</span> *server_key</code></em>,
                      <em class="parameter"><code><span class="type">gnutls_datum_t</span> *server_salt</code></em>);</pre>
<p>This is a helper function to generate the keying material for SRTP.
It requires the space of the key material to be pre-allocated (should be at least
2x the maximum key size and salt size). The <em class="parameter"><code>client_key</code></em>
, <em class="parameter"><code>client_salt</code></em>
, <em class="parameter"><code>server_key</code></em>

and <em class="parameter"><code>server_salt</code></em>
 are convenience datums that point inside the key material. They may
be <code class="literal">NULL</code>.</p>
<div class="refsect3">
<a name="id-1.2.4.6.259.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>key_material</p></td>
<td class="parameter_description"><p>Space to hold the generated key material</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>key_material_size</p></td>
<td class="parameter_description"><p>The maximum size of the key material</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>client_key</p></td>
<td class="parameter_description"><p>The master client write key, pointing inside the key material</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>client_salt</p></td>
<td class="parameter_description"><p>The master client write salt, pointing inside the key material</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>server_key</p></td>
<td class="parameter_description"><p>The master server write key, pointing inside the key material</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>server_salt</p></td>
<td class="parameter_description"><p>The master server write salt, pointing inside the key material</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.259.6"></a><h4>Returns</h4>
<p> On success the size of the key material is returned,
otherwise, <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SHORT-MEMORY-BUFFER:CAPS" title="GNUTLS_E_SHORT_MEMORY_BUFFER"><code class="literal">GNUTLS_E_SHORT_MEMORY_BUFFER</code></a> if the buffer given is not
sufficient, or a negative error code.</p>
<p>Since 3.1.4</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-srtp-get-mki"></a><h3>gnutls_srtp_get_mki ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_srtp_get_mki (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>,
                     <em class="parameter"><code><span class="type">gnutls_datum_t</span> *mki</code></em>);</pre>
<p>This function exports the negotiated Master Key Identifier,
received by the peer if any. The returned value in <em class="parameter"><code>mki</code></em>
 should be 
treated as constant and valid only during the session's lifetime.</p>
<div class="refsect3">
<a name="id-1.2.4.6.260.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>mki</p></td>
<td class="parameter_description"><p>will hold the MKI</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.260.6"></a><h4>Returns</h4>
<p> On success, <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0) is returned,
otherwise a negative error code is returned.</p>
<p>Since 3.1.4</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-srtp-get-profile-id"></a><h3>gnutls_srtp_get_profile_id ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_srtp_get_profile_id (<em class="parameter"><code>const <span class="type">char</span> *name</code></em>,
                            <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-srtp-profile-t" title="enum gnutls_srtp_profile_t"><span class="type">gnutls_srtp_profile_t</span></a> *profile</code></em>);</pre>
<p>This function allows you to look up a profile based on a string.</p>
<div class="refsect3">
<a name="id-1.2.4.6.261.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>name</p></td>
<td class="parameter_description"><p>The name of the profile to look up</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>profile</p></td>
<td class="parameter_description"><p>Will hold the profile id</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.261.6"></a><h4>Returns</h4>
<p> On success, <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0) is returned,
otherwise a negative error code is returned.</p>
<p>Since 3.1.4</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-srtp-get-profile-name"></a><h3>gnutls_srtp_get_profile_name ()</h3>
<pre class="programlisting">const <span class="returnvalue">char</span> *
gnutls_srtp_get_profile_name (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-srtp-profile-t" title="enum gnutls_srtp_profile_t"><span class="type">gnutls_srtp_profile_t</span></a> profile</code></em>);</pre>
<p>This function allows you to get the corresponding name for a
SRTP protection profile.</p>
<div class="refsect3">
<a name="id-1.2.4.6.262.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>profile</p></td>
<td class="parameter_description"><p>The profile to look up a string for</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.262.6"></a><h4>Returns</h4>
<p> On success, the name of a SRTP profile as a string,
otherwise NULL.</p>
<p>Since 3.1.4</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-srtp-get-selected-profile"></a><h3>gnutls_srtp_get_selected_profile ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_srtp_get_selected_profile (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>,
                                  <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-srtp-profile-t" title="enum gnutls_srtp_profile_t"><span class="type">gnutls_srtp_profile_t</span></a> *profile</code></em>);</pre>
<p>This function allows you to get the negotiated SRTP profile.</p>
<div class="refsect3">
<a name="id-1.2.4.6.263.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>profile</p></td>
<td class="parameter_description"><p>will hold the profile</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.263.6"></a><h4>Returns</h4>
<p> On success, <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0) is returned,
otherwise a negative error code is returned.</p>
<p>Since 3.1.4</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-srtp-set-mki"></a><h3>gnutls_srtp_set_mki ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_srtp_set_mki (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>,
                     <em class="parameter"><code>const <span class="type">gnutls_datum_t</span> *mki</code></em>);</pre>
<p>This function sets the Master Key Identifier, to be
used by this session (if any).</p>
<div class="refsect3">
<a name="id-1.2.4.6.264.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>mki</p></td>
<td class="parameter_description"><p>holds the MKI</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.264.6"></a><h4>Returns</h4>
<p> On success, <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0) is returned,
otherwise a negative error code is returned.</p>
<p>Since 3.1.4</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-srtp-set-profile"></a><h3>gnutls_srtp_set_profile ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_srtp_set_profile (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>,
                         <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-srtp-profile-t" title="enum gnutls_srtp_profile_t"><span class="type">gnutls_srtp_profile_t</span></a> profile</code></em>);</pre>
<p>This function is to be used by both clients and servers, to declare
what SRTP profiles they support, to negotiate with the peer.</p>
<div class="refsect3">
<a name="id-1.2.4.6.265.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>profile</p></td>
<td class="parameter_description"><p>is the profile id to add.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.265.6"></a><h4>Returns</h4>
<p> On success, <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0) is returned,
otherwise a negative error code is returned.</p>
<p>Since 3.1.4</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-srtp-set-profile-direct"></a><h3>gnutls_srtp_set_profile_direct ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_srtp_set_profile_direct (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>,
                                <em class="parameter"><code>const <span class="type">char</span> *profiles</code></em>,
                                <em class="parameter"><code>const <span class="type">char</span> **err_pos</code></em>);</pre>
<p>This function is to be used by both clients and servers, to declare
what SRTP profiles they support, to negotiate with the peer.</p>
<div class="refsect3">
<a name="id-1.2.4.6.266.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>profiles</p></td>
<td class="parameter_description"><p>is a string that contains the supported SRTP profiles,
separated by colons.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>err_pos</p></td>
<td class="parameter_description"><p>In case of an error this will have the position in the string the error occurred, may be NULL.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.266.6"></a><h4>Returns</h4>
<p> On syntax error <a class="link" href="gnutls-gnutls.html#GNUTLS-E-INVALID-REQUEST:CAPS" title="GNUTLS_E_INVALID_REQUEST"><code class="literal">GNUTLS_E_INVALID_REQUEST</code></a> is returned,
<a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> on success, or an error code.</p>
<p>Since 3.1.4</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-store-commitment"></a><h3>gnutls_store_commitment ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_store_commitment (<em class="parameter"><code>const <span class="type">char</span> *db_name</code></em>,
                         <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-tdb-t" title="gnutls_tdb_t"><span class="type">gnutls_tdb_t</span></a> tdb</code></em>,
                         <em class="parameter"><code>const <span class="type">char</span> *host</code></em>,
                         <em class="parameter"><code>const <span class="type">char</span> *service</code></em>,
                         <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-digest-algorithm-t" title="enum gnutls_digest_algorithm_t"><span class="type">gnutls_digest_algorithm_t</span></a> hash_algo</code></em>,
                         <em class="parameter"><code>const <span class="type">gnutls_datum_t</span> *hash</code></em>,
                         <em class="parameter"><code><span class="type">time_t</span> expiration</code></em>,
                         <em class="parameter"><code>unsigned <span class="type">int</span> flags</code></em>);</pre>
<p>This function will store the provided hash commitment to 
the list of stored public keys. The key with the given
hash will be considered valid until the provided expiration time.</p>
<p>The <em class="parameter"><code>store</code></em>
 variable if non-null specifies a custom backend for
the storage of entries. If it is NULL then the
default file backend will be used.</p>
<p>Note that this function is not thread safe with the default backend.</p>
<div class="refsect3">
<a name="id-1.2.4.6.267.7"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>db_name</p></td>
<td class="parameter_description"><p>A file specifying the stored keys (use NULL for the default)</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>tdb</p></td>
<td class="parameter_description"><p>A storage structure or NULL to use the default</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>host</p></td>
<td class="parameter_description"><p>The peer's name</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>service</p></td>
<td class="parameter_description"><p>non-NULL if this key is specific to a service (e.g. http)</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>hash_algo</p></td>
<td class="parameter_description"><p>The hash algorithm type</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>hash</p></td>
<td class="parameter_description"><p>The raw hash</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>expiration</p></td>
<td class="parameter_description"><p>The expiration time (use 0 to disable expiration)</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>flags</p></td>
<td class="parameter_description"><p>should be 0.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.267.8"></a><h4>Returns</h4>
<p> On success, <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0) is returned, otherwise a
negative error value.</p>
</div>
<p class="since">Since: 3.0</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-store-pubkey"></a><h3>gnutls_store_pubkey ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_store_pubkey (<em class="parameter"><code>const <span class="type">char</span> *db_name</code></em>,
                     <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-tdb-t" title="gnutls_tdb_t"><span class="type">gnutls_tdb_t</span></a> tdb</code></em>,
                     <em class="parameter"><code>const <span class="type">char</span> *host</code></em>,
                     <em class="parameter"><code>const <span class="type">char</span> *service</code></em>,
                     <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-certificate-type-t" title="enum gnutls_certificate_type_t"><span class="type">gnutls_certificate_type_t</span></a> cert_type</code></em>,
                     <em class="parameter"><code>const <span class="type">gnutls_datum_t</span> *cert</code></em>,
                     <em class="parameter"><code><span class="type">time_t</span> expiration</code></em>,
                     <em class="parameter"><code>unsigned <span class="type">int</span> flags</code></em>);</pre>
<p>This function will store the provided (raw or DER-encoded) certificate to 
the list of stored public keys. The key will be considered valid until 
the provided expiration time.</p>
<p>The <em class="parameter"><code>store</code></em>
 variable if non-null specifies a custom backend for
the storage of entries. If it is NULL then the
default file backend will be used.</p>
<div class="refsect3">
<a name="id-1.2.4.6.268.6"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>db_name</p></td>
<td class="parameter_description"><p>A file specifying the stored keys (use NULL for the default)</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>tdb</p></td>
<td class="parameter_description"><p>A storage structure or NULL to use the default</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>host</p></td>
<td class="parameter_description"><p>The peer's name</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>service</p></td>
<td class="parameter_description"><p>non-NULL if this key is specific to a service (e.g. http)</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>cert_type</p></td>
<td class="parameter_description"><p>The type of the certificate</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>cert</p></td>
<td class="parameter_description"><p>The data of the certificate</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>expiration</p></td>
<td class="parameter_description"><p>The expiration time (use 0 to disable expiration)</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>flags</p></td>
<td class="parameter_description"><p>should be 0.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.268.7"></a><h4>Returns</h4>
<p> On success, <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0) is returned, otherwise a
negative error value.</p>
</div>
<p class="since">Since: 3.0.13</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-strerror"></a><h3>gnutls_strerror ()</h3>
<pre class="programlisting">const <span class="returnvalue">char</span> *
gnutls_strerror (<em class="parameter"><code><span class="type">int</span> error</code></em>);</pre>
<p>This function is similar to strerror.  The difference is that it
accepts an error number returned by a gnutls function; In case of
an unknown error a descriptive string is sent instead of <code class="literal">NULL</code>.</p>
<p>Error codes are always a negative error code.</p>
<div class="refsect3">
<a name="id-1.2.4.6.269.6"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>error</p></td>
<td class="parameter_description"><p>is a GnuTLS error code, a negative error code</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.269.7"></a><h4>Returns</h4>
<p> A string explaining the GnuTLS error message.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-strerror-name"></a><h3>gnutls_strerror_name ()</h3>
<pre class="programlisting">const <span class="returnvalue">char</span> *
gnutls_strerror_name (<em class="parameter"><code><span class="type">int</span> error</code></em>);</pre>
<p>Return the GnuTLS error code define as a string.  For example,
gnutls_strerror_name (GNUTLS_E_DH_PRIME_UNACCEPTABLE) will return
the string "GNUTLS_E_DH_PRIME_UNACCEPTABLE".</p>
<div class="refsect3">
<a name="id-1.2.4.6.270.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>error</p></td>
<td class="parameter_description"><p>is an error returned by a gnutls function.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.270.6"></a><h4>Returns</h4>
<p> A string corresponding to the symbol name of the error
code.</p>
</div>
<p class="since">Since: 2.6.0</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-tdb-deinit"></a><h3>gnutls_tdb_deinit ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_tdb_deinit (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-tdb-t" title="gnutls_tdb_t"><span class="type">gnutls_tdb_t</span></a> tdb</code></em>);</pre>
<p>This function will deinitialize a public key trust storage structure.</p>
<div class="refsect3">
<a name="id-1.2.4.6.271.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>tdb</p></td>
<td class="parameter_description"><p>The structure to be deinitialized</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-tdb-init"></a><h3>gnutls_tdb_init ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_tdb_init (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-tdb-t" title="gnutls_tdb_t"><span class="type">gnutls_tdb_t</span></a> *tdb</code></em>);</pre>
<p>This function will initialize a public key trust storage structure.</p>
<div class="refsect3">
<a name="id-1.2.4.6.272.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>tdb</p></td>
<td class="parameter_description"><p>A pointer to the type to be initialized</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.272.6"></a><h4>Returns</h4>
<p> On success, <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0) is returned, otherwise a
negative error value.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-tdb-set-store-commitment-func"></a><h3>gnutls_tdb_set_store_commitment_func ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_tdb_set_store_commitment_func (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-tdb-t" title="gnutls_tdb_t"><span class="type">gnutls_tdb_t</span></a> tdb</code></em>,
                                      <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-tdb-store-commitment-func" title="gnutls_tdb_store_commitment_func ()"><span class="type">gnutls_tdb_store_commitment_func</span></a> cstore</code></em>);</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-tdb-set-store-func"></a><h3>gnutls_tdb_set_store_func ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_tdb_set_store_func (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-tdb-t" title="gnutls_tdb_t"><span class="type">gnutls_tdb_t</span></a> tdb</code></em>,
                           <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-tdb-store-func" title="gnutls_tdb_store_func ()"><span class="type">gnutls_tdb_store_func</span></a> store</code></em>);</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-tdb-set-verify-func"></a><h3>gnutls_tdb_set_verify_func ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_tdb_set_verify_func (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-tdb-t" title="gnutls_tdb_t"><span class="type">gnutls_tdb_t</span></a> tdb</code></em>,
                            <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-tdb-verify-func" title="gnutls_tdb_verify_func ()"><span class="type">gnutls_tdb_verify_func</span></a> verify</code></em>);</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-tdb-store-commitment-func"></a><h3>gnutls_tdb_store_commitment_func ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
<span class="c_punctuation">(</span>*gnutls_tdb_store_commitment_func<span class="c_punctuation">)</span> (<em class="parameter"><code>const <span class="type">char</span> *db_name</code></em>,
                                     <em class="parameter"><code>const <span class="type">char</span> *host</code></em>,
                                     <em class="parameter"><code>const <span class="type">char</span> *service</code></em>,
                                     <em class="parameter"><code><span class="type">time_t</span> expiration</code></em>,
                                     <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-digest-algorithm-t" title="enum gnutls_digest_algorithm_t"><span class="type">gnutls_digest_algorithm_t</span></a> hash_algo</code></em>,
                                     <em class="parameter"><code>const <span class="type">gnutls_datum_t</span> *hash</code></em>);</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-tdb-store-func"></a><h3>gnutls_tdb_store_func ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
<span class="c_punctuation">(</span>*gnutls_tdb_store_func<span class="c_punctuation">)</span> (<em class="parameter"><code>const <span class="type">char</span> *db_name</code></em>,
                          <em class="parameter"><code>const <span class="type">char</span> *host</code></em>,
                          <em class="parameter"><code>const <span class="type">char</span> *service</code></em>,
                          <em class="parameter"><code><span class="type">time_t</span> expiration</code></em>,
                          <em class="parameter"><code>const <span class="type">gnutls_datum_t</span> *pubkey</code></em>);</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-tdb-verify-func"></a><h3>gnutls_tdb_verify_func ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
<span class="c_punctuation">(</span>*gnutls_tdb_verify_func<span class="c_punctuation">)</span> (<em class="parameter"><code>const <span class="type">char</span> *db_name</code></em>,
                           <em class="parameter"><code>const <span class="type">char</span> *host</code></em>,
                           <em class="parameter"><code>const <span class="type">char</span> *service</code></em>,
                           <em class="parameter"><code>const <span class="type">gnutls_datum_t</span> *pubkey</code></em>);</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-time-func"></a><h3>gnutls_time_func ()</h3>
<pre class="programlisting"><span class="returnvalue">time_t</span>
<span class="c_punctuation">(</span>*gnutls_time_func<span class="c_punctuation">)</span> (<em class="parameter"><code><span class="type">time_t</span> *t</code></em>);</pre>
<p>Function prototype for <code class="function">time()</code>-like function.  Set with
<a class="link" href="gnutls-gnutls.html#gnutls-global-set-time-function" title="gnutls_global_set_time_function ()"><code class="function">gnutls_global_set_time_function()</code></a>.</p>
<div class="refsect3">
<a name="id-1.2.4.6.279.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>t</p></td>
<td class="parameter_description"><p>where to store time.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.279.6"></a><h4>Returns</h4>
<p> Number of seconds since the epoch, or (time_t)-1 on errors.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-transport-get-ptr"></a><h3>gnutls_transport_get_ptr ()</h3>
<pre class="programlisting"><a class="link" href="gnutls-gnutls.html#gnutls-transport-ptr-t" title="gnutls_transport_ptr_t"><span class="returnvalue">gnutls_transport_ptr_t</span></a>
gnutls_transport_get_ptr (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>);</pre>
<p>Used to get the first argument of the transport function (like
PUSH and PULL).  This must have been set using
<a class="link" href="gnutls-gnutls.html#gnutls-transport-set-ptr" title="gnutls_transport_set_ptr ()"><code class="function">gnutls_transport_set_ptr()</code></a>.</p>
<div class="refsect3">
<a name="id-1.2.4.6.280.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.280.6"></a><h4>Returns</h4>
<p> The first argument of the transport function.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-transport-get-ptr2"></a><h3>gnutls_transport_get_ptr2 ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_transport_get_ptr2 (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>,
                           <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-transport-ptr-t" title="gnutls_transport_ptr_t"><span class="type">gnutls_transport_ptr_t</span></a> *recv_ptr</code></em>,
                           <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-transport-ptr-t" title="gnutls_transport_ptr_t"><span class="type">gnutls_transport_ptr_t</span></a> *send_ptr</code></em>);</pre>
<p>Used to get the arguments of the transport functions (like PUSH
and PULL).  These should have been set using
<a class="link" href="gnutls-gnutls.html#gnutls-transport-set-ptr2" title="gnutls_transport_set_ptr2 ()"><code class="function">gnutls_transport_set_ptr2()</code></a>.</p>
<div class="refsect3">
<a name="id-1.2.4.6.281.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>recv_ptr</p></td>
<td class="parameter_description"><p>will hold the value for the pull function</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>send_ptr</p></td>
<td class="parameter_description"><p>will hold the value for the push function</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-transport-set-errno"></a><h3>gnutls_transport_set_errno ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_transport_set_errno (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>,
                            <em class="parameter"><code><span class="type">int</span> err</code></em>);</pre>
<p>Store <em class="parameter"><code>err</code></em>
 in the session-specific errno variable.  Useful values
for <em class="parameter"><code>err</code></em>
 are EINTR, EAGAIN and EMSGSIZE, other values are treated will be
treated as real errors in the push/pull function.</p>
<p>This function is useful in replacement push and pull functions set by
<a class="link" href="gnutls-gnutls.html#gnutls-transport-set-push-function" title="gnutls_transport_set_push_function ()"><code class="function">gnutls_transport_set_push_function()</code></a> and
<a class="link" href="gnutls-gnutls.html#gnutls-transport-set-pull-function" title="gnutls_transport_set_pull_function ()"><code class="function">gnutls_transport_set_pull_function()</code></a> under Windows, where the
replacements may not have access to the same <em class="parameter"><code>errno</code></em>

variable that is used by GnuTLS (e.g., the application is linked to
msvcr71.dll and gnutls is linked to msvcrt.dll).</p>
<div class="refsect3">
<a name="id-1.2.4.6.282.6"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>err</p></td>
<td class="parameter_description"><p>error value to store in session-specific errno variable.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-transport-set-errno-function"></a><h3>gnutls_transport_set_errno_function ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_transport_set_errno_function (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>,
                                     <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-errno-func" title="gnutls_errno_func ()"><span class="type">gnutls_errno_func</span></a> errno_func</code></em>);</pre>
<p>This is the function where you set a function to retrieve errno
after a failed push or pull operation.</p>
<p><em class="parameter"><code>errno_func</code></em>
 is of the form,
int (*gnutls_errno_func)(gnutls_transport_ptr_t);
and should return the errno.</p>
<div class="refsect3">
<a name="id-1.2.4.6.283.6"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>errno_func</p></td>
<td class="parameter_description"><p>a callback function similar to <code class="function">write()</code></p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: 2.12.0</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-transport-set-ptr"></a><h3>gnutls_transport_set_ptr ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_transport_set_ptr (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>,
                          <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-transport-ptr-t" title="gnutls_transport_ptr_t"><span class="type">gnutls_transport_ptr_t</span></a> ptr</code></em>);</pre>
<p>Used to set the first argument of the transport function (for push
and pull callbacks). In berkeley style sockets this function will set the
connection descriptor.</p>
<div class="refsect3">
<a name="id-1.2.4.6.284.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>ptr</p></td>
<td class="parameter_description"><p>is the value.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-transport-set-ptr2"></a><h3>gnutls_transport_set_ptr2 ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_transport_set_ptr2 (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>,
                           <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-transport-ptr-t" title="gnutls_transport_ptr_t"><span class="type">gnutls_transport_ptr_t</span></a> recv_ptr</code></em>,
                           <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-transport-ptr-t" title="gnutls_transport_ptr_t"><span class="type">gnutls_transport_ptr_t</span></a> send_ptr</code></em>);</pre>
<p>Used to set the first argument of the transport function (for push
and pull callbacks). In berkeley style sockets this function will set the
connection descriptor.  With this function you can use two different
pointers for receiving and sending.</p>
<div class="refsect3">
<a name="id-1.2.4.6.285.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>recv_ptr</p></td>
<td class="parameter_description"><p>is the value for the pull function</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>send_ptr</p></td>
<td class="parameter_description"><p>is the value for the push function</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-transport-set-pull-function"></a><h3>gnutls_transport_set_pull_function ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_transport_set_pull_function (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>,
                                    <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-pull-func" title="gnutls_pull_func ()"><span class="type">gnutls_pull_func</span></a> pull_func</code></em>);</pre>
<p>This is the function where you set a function for gnutls to receive
data.  Normally, if you use berkeley style sockets, do not need to
use this function since the default recv(2) will probably be ok.
The callback should return 0 on connection termination, a positive
number indicating the number of bytes received, and -1 on error.</p>
<p><em class="parameter"><code>gnutls_pull_func</code></em>
 is of the form,
ssize_t (*gnutls_pull_func)(gnutls_transport_ptr_t, void*, size_t);</p>
<div class="refsect3">
<a name="id-1.2.4.6.286.6"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>pull_func</p></td>
<td class="parameter_description"><p>a callback function similar to <code class="function">read()</code></p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-transport-set-pull-timeout-function"></a><h3>gnutls_transport_set_pull_timeout_function ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_transport_set_pull_timeout_function
                               (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>,
                                <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-pull-timeout-func" title="gnutls_pull_timeout_func ()"><span class="type">gnutls_pull_timeout_func</span></a> func</code></em>);</pre>
<p>This is the function where you set a function for gnutls to know
whether data are ready to be received. It should wait for data a
given time frame in milliseconds. The callback should return 0 on 
timeout, a positive number if data can be received, and -1 on error.
You'll need to override this function if <code class="function">select()</code> is not suitable
for the provided transport calls.</p>
<p>As with <code class="function">select()</code>, if the timeout value is zero the callback should return
zero if no data are immediately available.</p>
<p><em class="parameter"><code>gnutls_pull_timeout_func</code></em>
 is of the form,
int (*gnutls_pull_timeout_func)(gnutls_transport_ptr_t, unsigned int ms);</p>
<p>This callback is necessary when <a class="link" href="gnutls-gnutls.html#gnutls-handshake-set-timeout" title="gnutls_handshake_set_timeout ()"><code class="function">gnutls_handshake_set_timeout()</code></a> or 
<code class="function">gnutls_record_set_timeout()</code> are set. It will not be used when 
non-blocking sockets are in use. That is, this function will
not operate when <a class="link" href="gnutls-gnutls.html#GNUTLS-NONBLOCK:CAPS" title="GNUTLS_NONBLOCK"><code class="literal">GNUTLS_NONBLOCK</code></a> is specified in <a class="link" href="gnutls-gnutls.html#gnutls-init" title="gnutls_init ()"><code class="function">gnutls_init()</code></a>, 
or a custom pull function is registered without updating the 
pull timeout function.</p>
<p>The helper function <code class="function">gnutls_system_recv_timeout()</code> is provided to
simplify writing callbacks.</p>
<div class="refsect3">
<a name="id-1.2.4.6.287.9"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>func</p></td>
<td class="parameter_description"><p>a callback function</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: 3.0</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-transport-set-push-function"></a><h3>gnutls_transport_set_push_function ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_transport_set_push_function (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>,
                                    <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-push-func" title="gnutls_push_func ()"><span class="type">gnutls_push_func</span></a> push_func</code></em>);</pre>
<p>This is the function where you set a push function for gnutls to
use in order to send data.  If you are going to use berkeley style
sockets, you do not need to use this function since the default
send(2) will probably be ok.  Otherwise you should specify this
function for gnutls to be able to send data.
The callback should return a positive number indicating the
bytes sent, and -1 on error.</p>
<p><em class="parameter"><code>push_func</code></em>
 is of the form,
ssize_t (*gnutls_push_func)(gnutls_transport_ptr_t, const void*, size_t);</p>
<div class="refsect3">
<a name="id-1.2.4.6.288.6"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>push_func</p></td>
<td class="parameter_description"><p>a callback function similar to <code class="function">write()</code></p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-transport-set-vec-push-function"></a><h3>gnutls_transport_set_vec_push_function ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gnutls_transport_set_vec_push_function
                               (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> session</code></em>,
                                <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-vec-push-func" title="gnutls_vec_push_func ()"><span class="type">gnutls_vec_push_func</span></a> vec_func</code></em>);</pre>
<p>Using this function you can override the default writev(2)
function for gnutls to send data. Setting this callback 
instead of <a class="link" href="gnutls-gnutls.html#gnutls-transport-set-push-function" title="gnutls_transport_set_push_function ()"><code class="function">gnutls_transport_set_push_function()</code></a> is recommended
since it introduces less overhead in the TLS handshake process.</p>
<p><em class="parameter"><code>vec_func</code></em>
 is of the form,
ssize_t (*gnutls_vec_push_func) (gnutls_transport_ptr_t, const giovec_t * iov, int iovcnt);</p>
<div class="refsect3">
<a name="id-1.2.4.6.289.6"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>session</p></td>
<td class="parameter_description"><p>is a <a class="link" href="gnutls-gnutls.html#gnutls-session-t" title="gnutls_session_t"><span class="type">gnutls_session_t</span></a> type.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>vec_func</p></td>
<td class="parameter_description"><p>a callback function similar to <code class="function">writev()</code></p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: 2.12.0</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-url-is-supported"></a><h3>gnutls_url_is_supported ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_url_is_supported (<em class="parameter"><code>const <span class="type">char</span> *url</code></em>);</pre>
<p>Check whether url is supported.  Depending on the system libraries
GnuTLS may support pkcs11 or tpmkey URLs.</p>
<div class="refsect3">
<a name="id-1.2.4.6.290.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>url</p></td>
<td class="parameter_description"><p>A PKCS 11 url</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.290.6"></a><h4>Returns</h4>
<p> return non-zero if the given URL is supported, and zero if
it is not known.</p>
</div>
<p class="since">Since: 3.1.0</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-vec-push-func"></a><h3>gnutls_vec_push_func ()</h3>
<pre class="programlisting"><span class="returnvalue">ssize_t</span>
<span class="c_punctuation">(</span>*gnutls_vec_push_func<span class="c_punctuation">)</span> (<em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-transport-ptr-t" title="gnutls_transport_ptr_t"><span class="type">gnutls_transport_ptr_t</span></a> Param1</code></em>,
                         <em class="parameter"><code>const <span class="type">giovec_t</span> *iov</code></em>,
                         <em class="parameter"><code><span class="type">int</span> iovcnt</code></em>);</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-verify-stored-pubkey"></a><h3>gnutls_verify_stored_pubkey ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
gnutls_verify_stored_pubkey (<em class="parameter"><code>const <span class="type">char</span> *db_name</code></em>,
                             <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-tdb-t" title="gnutls_tdb_t"><span class="type">gnutls_tdb_t</span></a> tdb</code></em>,
                             <em class="parameter"><code>const <span class="type">char</span> *host</code></em>,
                             <em class="parameter"><code>const <span class="type">char</span> *service</code></em>,
                             <em class="parameter"><code><a class="link" href="gnutls-gnutls.html#gnutls-certificate-type-t" title="enum gnutls_certificate_type_t"><span class="type">gnutls_certificate_type_t</span></a> cert_type</code></em>,
                             <em class="parameter"><code>const <span class="type">gnutls_datum_t</span> *cert</code></em>,
                             <em class="parameter"><code>unsigned <span class="type">int</span> flags</code></em>);</pre>
<p>This function will try to verify the provided (raw or DER-encoded) certificate 
using a list of stored public keys.  The <em class="parameter"><code>service</code></em>
 field if non-NULL should
be a port number.</p>
<p>The <em class="parameter"><code>retrieve</code></em>
 variable if non-null specifies a custom backend for
the retrieval of entries. If it is NULL then the
default file backend will be used. In POSIX-like systems the
file backend uses the $HOME/.gnutls/known_hosts file.</p>
<p>Note that if the custom storage backend is provided the
retrieval function should return <a class="link" href="gnutls-gnutls.html#GNUTLS-E-CERTIFICATE-KEY-MISMATCH:CAPS" title="GNUTLS_E_CERTIFICATE_KEY_MISMATCH"><code class="literal">GNUTLS_E_CERTIFICATE_KEY_MISMATCH</code></a>
if the host/service pair is found but key doesn't match,
<a class="link" href="gnutls-gnutls.html#GNUTLS-E-NO-CERTIFICATE-FOUND:CAPS" title="GNUTLS_E_NO_CERTIFICATE_FOUND"><code class="literal">GNUTLS_E_NO_CERTIFICATE_FOUND</code></a> if no such host/service with
the given key is found, and 0 if it was found. The storage
function should return 0 on success.</p>
<div class="refsect3">
<a name="id-1.2.4.6.292.7"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>db_name</p></td>
<td class="parameter_description"><p>A file specifying the stored keys (use NULL for the default)</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>tdb</p></td>
<td class="parameter_description"><p>A storage structure or NULL to use the default</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>host</p></td>
<td class="parameter_description"><p>The peer's name</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>service</p></td>
<td class="parameter_description"><p>non-NULL if this key is specific to a service (e.g. http)</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>cert_type</p></td>
<td class="parameter_description"><p>The type of the certificate</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>cert</p></td>
<td class="parameter_description"><p>The raw (der) data of the certificate</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>flags</p></td>
<td class="parameter_description"><p>should be 0.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.4.6.292.8"></a><h4>Returns</h4>
<p> If no associated public key is found
then <a class="link" href="gnutls-gnutls.html#GNUTLS-E-NO-CERTIFICATE-FOUND:CAPS" title="GNUTLS_E_NO_CERTIFICATE_FOUND"><code class="literal">GNUTLS_E_NO_CERTIFICATE_FOUND</code></a> will be returned. If a key
is found but does not match <a class="link" href="gnutls-gnutls.html#GNUTLS-E-CERTIFICATE-KEY-MISMATCH:CAPS" title="GNUTLS_E_CERTIFICATE_KEY_MISMATCH"><code class="literal">GNUTLS_E_CERTIFICATE_KEY_MISMATCH</code></a>
is returned. On success, <a class="link" href="gnutls-gnutls.html#GNUTLS-E-SUCCESS:CAPS" title="GNUTLS_E_SUCCESS"><code class="literal">GNUTLS_E_SUCCESS</code></a> (0) is returned,
or a negative error value on other errors.</p>
</div>
<p class="since">Since: 3.0.13</p>
</div>
<hr>
<div class="refsect2">
<a name="mutex-deinit-func"></a><h3>mutex_deinit_func ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
<span class="c_punctuation">(</span>*mutex_deinit_func<span class="c_punctuation">)</span> (<em class="parameter"><code><span class="type">void</span> **mutex</code></em>);</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="mutex-init-func"></a><h3>mutex_init_func ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
<span class="c_punctuation">(</span>*mutex_init_func<span class="c_punctuation">)</span> (<em class="parameter"><code><span class="type">void</span> **mutex</code></em>);</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="mutex-lock-func"></a><h3>mutex_lock_func ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
<span class="c_punctuation">(</span>*mutex_lock_func<span class="c_punctuation">)</span> (<em class="parameter"><code><span class="type">void</span> **mutex</code></em>);</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="mutex-unlock-func"></a><h3>mutex_unlock_func ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
<span class="c_punctuation">(</span>*mutex_unlock_func<span class="c_punctuation">)</span> (<em class="parameter"><code><span class="type">void</span> **mutex</code></em>);</pre>
<p>
</p>
</div>
</div>
<div class="refsect1">
<a name="gnutls-gnutls.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="GNUTLS-CIPHER-ARCFOUR:CAPS"></a><h3>GNUTLS_CIPHER_ARCFOUR</h3>
<pre class="programlisting">#define GNUTLS_CIPHER_ARCFOUR GNUTLS_CIPHER_ARCFOUR_128
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-CIPHER-RIJNDAEL-128-CBC:CAPS"></a><h3>GNUTLS_CIPHER_RIJNDAEL_128_CBC</h3>
<pre class="programlisting">#define GNUTLS_CIPHER_RIJNDAEL_128_CBC GNUTLS_CIPHER_AES_128_CBC
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-CIPHER-RIJNDAEL-256-CBC:CAPS"></a><h3>GNUTLS_CIPHER_RIJNDAEL_256_CBC</h3>
<pre class="programlisting">#define GNUTLS_CIPHER_RIJNDAEL_256_CBC GNUTLS_CIPHER_AES_256_CBC
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-CIPHER-RIJNDAEL-CBC:CAPS"></a><h3>GNUTLS_CIPHER_RIJNDAEL_CBC</h3>
<pre class="programlisting">#define GNUTLS_CIPHER_RIJNDAEL_CBC GNUTLS_CIPHER_AES_128_CBC
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-DIG-SHA:CAPS"></a><h3>GNUTLS_DIG_SHA</h3>
<pre class="programlisting">#define GNUTLS_DIG_SHA GNUTLS_DIG_SHA1
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-AGAIN:CAPS"></a><h3>GNUTLS_E_AGAIN</h3>
<pre class="programlisting">#define GNUTLS_E_AGAIN -28
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-APPLICATION-ERROR-MAX:CAPS"></a><h3>GNUTLS_E_APPLICATION_ERROR_MAX</h3>
<pre class="programlisting">#define GNUTLS_E_APPLICATION_ERROR_MAX -65000
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-APPLICATION-ERROR-MIN:CAPS"></a><h3>GNUTLS_E_APPLICATION_ERROR_MIN</h3>
<pre class="programlisting">#define GNUTLS_E_APPLICATION_ERROR_MIN -65500
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-ASN1-DER-ERROR:CAPS"></a><h3>GNUTLS_E_ASN1_DER_ERROR</h3>
<pre class="programlisting">#define GNUTLS_E_ASN1_DER_ERROR -69
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-ASN1-DER-OVERFLOW:CAPS"></a><h3>GNUTLS_E_ASN1_DER_OVERFLOW</h3>
<pre class="programlisting">#define GNUTLS_E_ASN1_DER_OVERFLOW -77
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-ASN1-ELEMENT-NOT-FOUND:CAPS"></a><h3>GNUTLS_E_ASN1_ELEMENT_NOT_FOUND</h3>
<pre class="programlisting">#define GNUTLS_E_ASN1_ELEMENT_NOT_FOUND -67
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-ASN1-GENERIC-ERROR:CAPS"></a><h3>GNUTLS_E_ASN1_GENERIC_ERROR</h3>
<pre class="programlisting">#define GNUTLS_E_ASN1_GENERIC_ERROR -71
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-ASN1-IDENTIFIER-NOT-FOUND:CAPS"></a><h3>GNUTLS_E_ASN1_IDENTIFIER_NOT_FOUND</h3>
<pre class="programlisting">#define GNUTLS_E_ASN1_IDENTIFIER_NOT_FOUND -68
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-ASN1-SYNTAX-ERROR:CAPS"></a><h3>GNUTLS_E_ASN1_SYNTAX_ERROR</h3>
<pre class="programlisting">#define GNUTLS_E_ASN1_SYNTAX_ERROR -76
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-ASN1-TAG-ERROR:CAPS"></a><h3>GNUTLS_E_ASN1_TAG_ERROR</h3>
<pre class="programlisting">#define GNUTLS_E_ASN1_TAG_ERROR -73
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-ASN1-TAG-IMPLICIT:CAPS"></a><h3>GNUTLS_E_ASN1_TAG_IMPLICIT</h3>
<pre class="programlisting">#define GNUTLS_E_ASN1_TAG_IMPLICIT -74
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-ASN1-TYPE-ANY-ERROR:CAPS"></a><h3>GNUTLS_E_ASN1_TYPE_ANY_ERROR</h3>
<pre class="programlisting">#define GNUTLS_E_ASN1_TYPE_ANY_ERROR -75
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-ASN1-VALUE-NOT-FOUND:CAPS"></a><h3>GNUTLS_E_ASN1_VALUE_NOT_FOUND</h3>
<pre class="programlisting">#define GNUTLS_E_ASN1_VALUE_NOT_FOUND -70
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-ASN1-VALUE-NOT-VALID:CAPS"></a><h3>GNUTLS_E_ASN1_VALUE_NOT_VALID</h3>
<pre class="programlisting">#define GNUTLS_E_ASN1_VALUE_NOT_VALID -72
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-BAD-COOKIE:CAPS"></a><h3>GNUTLS_E_BAD_COOKIE</h3>
<pre class="programlisting">#define GNUTLS_E_BAD_COOKIE -214
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-BASE64-DECODING-ERROR:CAPS"></a><h3>GNUTLS_E_BASE64_DECODING_ERROR</h3>
<pre class="programlisting">#define GNUTLS_E_BASE64_DECODING_ERROR -34
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-BASE64-ENCODING-ERROR:CAPS"></a><h3>GNUTLS_E_BASE64_ENCODING_ERROR</h3>
<pre class="programlisting">#define GNUTLS_E_BASE64_ENCODING_ERROR -201
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-BASE64-UNEXPECTED-HEADER-ERROR:CAPS"></a><h3>GNUTLS_E_BASE64_UNEXPECTED_HEADER_ERROR</h3>
<pre class="programlisting">#define GNUTLS_E_BASE64_UNEXPECTED_HEADER_ERROR -207
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-CERTIFICATE-ERROR:CAPS"></a><h3>GNUTLS_E_CERTIFICATE_ERROR</h3>
<pre class="programlisting">#define GNUTLS_E_CERTIFICATE_ERROR -43
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-CERTIFICATE-KEY-MISMATCH:CAPS"></a><h3>GNUTLS_E_CERTIFICATE_KEY_MISMATCH</h3>
<pre class="programlisting">#define GNUTLS_E_CERTIFICATE_KEY_MISMATCH -60
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-CERTIFICATE-LIST-UNSORTED:CAPS"></a><h3>GNUTLS_E_CERTIFICATE_LIST_UNSORTED</h3>
<pre class="programlisting">#define GNUTLS_E_CERTIFICATE_LIST_UNSORTED -324
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-CHANNEL-BINDING-NOT-AVAILABLE:CAPS"></a><h3>GNUTLS_E_CHANNEL_BINDING_NOT_AVAILABLE</h3>
<pre class="programlisting">#define GNUTLS_E_CHANNEL_BINDING_NOT_AVAILABLE -213
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-COMPRESSION-FAILED:CAPS"></a><h3>GNUTLS_E_COMPRESSION_FAILED</h3>
<pre class="programlisting">#define GNUTLS_E_COMPRESSION_FAILED -27
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-CONSTRAINT-ERROR:CAPS"></a><h3>GNUTLS_E_CONSTRAINT_ERROR</h3>
<pre class="programlisting">#define GNUTLS_E_CONSTRAINT_ERROR -101
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-CRYPTODEV-DEVICE-ERROR:CAPS"></a><h3>GNUTLS_E_CRYPTODEV_DEVICE_ERROR</h3>
<pre class="programlisting">#define GNUTLS_E_CRYPTODEV_DEVICE_ERROR -212
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-CRYPTODEV-IOCTL-ERROR:CAPS"></a><h3>GNUTLS_E_CRYPTODEV_IOCTL_ERROR</h3>
<pre class="programlisting">#define GNUTLS_E_CRYPTODEV_IOCTL_ERROR -211
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-CRYPTO-ALREADY-REGISTERED:CAPS"></a><h3>GNUTLS_E_CRYPTO_ALREADY_REGISTERED</h3>
<pre class="programlisting">#define GNUTLS_E_CRYPTO_ALREADY_REGISTERED GNUTLS_E_ALREADY_REGISTERED
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-CRYPTO-INIT-FAILED:CAPS"></a><h3>GNUTLS_E_CRYPTO_INIT_FAILED</h3>
<pre class="programlisting">#define GNUTLS_E_CRYPTO_INIT_FAILED -318
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-DB-ERROR:CAPS"></a><h3>GNUTLS_E_DB_ERROR</h3>
<pre class="programlisting">#define GNUTLS_E_DB_ERROR -30
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-DECOMPRESSION-FAILED:CAPS"></a><h3>GNUTLS_E_DECOMPRESSION_FAILED</h3>
<pre class="programlisting">#define GNUTLS_E_DECOMPRESSION_FAILED -26 /* GNUTLS_A_DECOMPRESSION_FAILURE */
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-DECRYPTION-FAILED:CAPS"></a><h3>GNUTLS_E_DECRYPTION_FAILED</h3>
<pre class="programlisting">#define GNUTLS_E_DECRYPTION_FAILED -24 /* GNUTLS_A_DECRYPTION_FAILED, GNUTLS_A_BAD_RECORD_MAC */
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-DH-PRIME-UNACCEPTABLE:CAPS"></a><h3>GNUTLS_E_DH_PRIME_UNACCEPTABLE</h3>
<pre class="programlisting">#define GNUTLS_E_DH_PRIME_UNACCEPTABLE -63
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-ECC-NO-SUPPORTED-CURVES:CAPS"></a><h3>GNUTLS_E_ECC_NO_SUPPORTED_CURVES</h3>
<pre class="programlisting">#define GNUTLS_E_ECC_NO_SUPPORTED_CURVES -321
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-ECC-UNSUPPORTED-CURVE:CAPS"></a><h3>GNUTLS_E_ECC_UNSUPPORTED_CURVE</h3>
<pre class="programlisting">#define GNUTLS_E_ECC_UNSUPPORTED_CURVE -322
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-ENCRYPTION-FAILED:CAPS"></a><h3>GNUTLS_E_ENCRYPTION_FAILED</h3>
<pre class="programlisting">#define GNUTLS_E_ENCRYPTION_FAILED -40
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-ERROR-IN-FINISHED-PACKET:CAPS"></a><h3>GNUTLS_E_ERROR_IN_FINISHED_PACKET</h3>
<pre class="programlisting">#define GNUTLS_E_ERROR_IN_FINISHED_PACKET -18
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-EXPIRED:CAPS"></a><h3>GNUTLS_E_EXPIRED</h3>
<pre class="programlisting">#define GNUTLS_E_EXPIRED -29
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-FATAL-ALERT-RECEIVED:CAPS"></a><h3>GNUTLS_E_FATAL_ALERT_RECEIVED</h3>
<pre class="programlisting">#define GNUTLS_E_FATAL_ALERT_RECEIVED -12
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-FILE-ERROR:CAPS"></a><h3>GNUTLS_E_FILE_ERROR</h3>
<pre class="programlisting">#define GNUTLS_E_FILE_ERROR -64
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-GOT-APPLICATION-DATA:CAPS"></a><h3>GNUTLS_E_GOT_APPLICATION_DATA</h3>
<pre class="programlisting">#define GNUTLS_E_GOT_APPLICATION_DATA -38
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-HANDSHAKE-TOO-LARGE:CAPS"></a><h3>GNUTLS_E_HANDSHAKE_TOO_LARGE</h3>
<pre class="programlisting">#define GNUTLS_E_HANDSHAKE_TOO_LARGE -210
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-HASH-FAILED:CAPS"></a><h3>GNUTLS_E_HASH_FAILED</h3>
<pre class="programlisting">#define GNUTLS_E_HASH_FAILED -33
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-HEARTBEAT-PING-RECEIVED:CAPS"></a><h3>GNUTLS_E_HEARTBEAT_PING_RECEIVED</h3>
<pre class="programlisting">#define GNUTLS_E_HEARTBEAT_PING_RECEIVED -293
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-HEARTBEAT-PONG-RECEIVED:CAPS"></a><h3>GNUTLS_E_HEARTBEAT_PONG_RECEIVED</h3>
<pre class="programlisting">#define GNUTLS_E_HEARTBEAT_PONG_RECEIVED -292
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-IA-VERIFY-FAILED:CAPS"></a><h3>GNUTLS_E_IA_VERIFY_FAILED</h3>
<pre class="programlisting">#define GNUTLS_E_IA_VERIFY_FAILED -104
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-ILLEGAL-PARAMETER:CAPS"></a><h3>GNUTLS_E_ILLEGAL_PARAMETER</h3>
<pre class="programlisting">#define GNUTLS_E_ILLEGAL_PARAMETER -325
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-ILLEGAL-SRP-USERNAME:CAPS"></a><h3>GNUTLS_E_ILLEGAL_SRP_USERNAME</h3>
<pre class="programlisting">#define GNUTLS_E_ILLEGAL_SRP_USERNAME -90
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-INCOMPATIBLE-CRYPTO-LIBRARY:CAPS"></a><h3>GNUTLS_E_INCOMPATIBLE_CRYPTO_LIBRARY</h3>
<pre class="programlisting">#define GNUTLS_E_INCOMPATIBLE_CRYPTO_LIBRARY -202
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-INCOMPATIBLE-GCRYPT-LIBRARY:CAPS"></a><h3>GNUTLS_E_INCOMPATIBLE_GCRYPT_LIBRARY</h3>
<pre class="programlisting">#define GNUTLS_E_INCOMPATIBLE_GCRYPT_LIBRARY -202 /* obsolete */
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-INCOMPATIBLE-LIBTASN1-LIBRARY:CAPS"></a><h3>GNUTLS_E_INCOMPATIBLE_LIBTASN1_LIBRARY</h3>
<pre class="programlisting">#define GNUTLS_E_INCOMPATIBLE_LIBTASN1_LIBRARY -203
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-INCOMPAT-DSA-KEY-WITH-TLS-PROTOCOL:CAPS"></a><h3>GNUTLS_E_INCOMPAT_DSA_KEY_WITH_TLS_PROTOCOL</h3>
<pre class="programlisting">#define GNUTLS_E_INCOMPAT_DSA_KEY_WITH_TLS_PROTOCOL -216
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-INSUFFICIENT-CRED:CAPS"></a><h3>GNUTLS_E_INSUFFICIENT_CRED</h3>
<pre class="programlisting">#define GNUTLS_E_INSUFFICIENT_CRED GNUTLS_E_INSUFFICIENT_CREDENTIALS
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-INSUFFICIENT-CREDENTIALS:CAPS"></a><h3>GNUTLS_E_INSUFFICIENT_CREDENTIALS</h3>
<pre class="programlisting">#define GNUTLS_E_INSUFFICIENT_CREDENTIALS -32
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-INSUFICIENT-CRED:CAPS"></a><h3>GNUTLS_E_INSUFICIENT_CRED</h3>
<pre class="programlisting">#define GNUTLS_E_INSUFICIENT_CRED GNUTLS_E_INSUFFICIENT_CREDENTIALS /* for backwards compatibility only */
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-INSUFICIENT-CREDENTIALS:CAPS"></a><h3>GNUTLS_E_INSUFICIENT_CREDENTIALS</h3>
<pre class="programlisting">#define GNUTLS_E_INSUFICIENT_CREDENTIALS GNUTLS_E_INSUFFICIENT_CREDENTIALS /* for backwards compatibility only */
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-INTERNAL-ERROR:CAPS"></a><h3>GNUTLS_E_INTERNAL_ERROR</h3>
<pre class="programlisting">#define GNUTLS_E_INTERNAL_ERROR -59
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-INTERRUPTED:CAPS"></a><h3>GNUTLS_E_INTERRUPTED</h3>
<pre class="programlisting">#define GNUTLS_E_INTERRUPTED -52
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-INVALID-PASSWORD:CAPS"></a><h3>GNUTLS_E_INVALID_PASSWORD</h3>
<pre class="programlisting">#define GNUTLS_E_INVALID_PASSWORD -99
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-INVALID-REQUEST:CAPS"></a><h3>GNUTLS_E_INVALID_REQUEST</h3>
<pre class="programlisting">#define GNUTLS_E_INVALID_REQUEST -50
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-INVALID-SESSION:CAPS"></a><h3>GNUTLS_E_INVALID_SESSION</h3>
<pre class="programlisting">#define GNUTLS_E_INVALID_SESSION -10
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-KEY-USAGE-VIOLATION:CAPS"></a><h3>GNUTLS_E_KEY_USAGE_VIOLATION</h3>
<pre class="programlisting">#define GNUTLS_E_KEY_USAGE_VIOLATION -48
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-LARGE-PACKET:CAPS"></a><h3>GNUTLS_E_LARGE_PACKET</h3>
<pre class="programlisting">#define GNUTLS_E_LARGE_PACKET -7
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-LOCKING-ERROR:CAPS"></a><h3>GNUTLS_E_LOCKING_ERROR</h3>
<pre class="programlisting">#define GNUTLS_E_LOCKING_ERROR -306
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-MAC-VERIFY-FAILED:CAPS"></a><h3>GNUTLS_E_MAC_VERIFY_FAILED</h3>
<pre class="programlisting">#define GNUTLS_E_MAC_VERIFY_FAILED -100 /* for PKCS #12 MAC */
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-MEMORY-ERROR:CAPS"></a><h3>GNUTLS_E_MEMORY_ERROR</h3>
<pre class="programlisting">#define GNUTLS_E_MEMORY_ERROR -25
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-MPI-PRINT-FAILED:CAPS"></a><h3>GNUTLS_E_MPI_PRINT_FAILED</h3>
<pre class="programlisting">#define GNUTLS_E_MPI_PRINT_FAILED -35
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-MPI-SCAN-FAILED:CAPS"></a><h3>GNUTLS_E_MPI_SCAN_FAILED</h3>
<pre class="programlisting">#define GNUTLS_E_MPI_SCAN_FAILED -23
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-NO-CERTIFICATE-FOUND:CAPS"></a><h3>GNUTLS_E_NO_CERTIFICATE_FOUND</h3>
<pre class="programlisting">#define GNUTLS_E_NO_CERTIFICATE_FOUND -49 /* GNUTLS_A_BAD_CERTIFICATE */
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-NO-CERTIFICATE-STATUS:CAPS"></a><h3>GNUTLS_E_NO_CERTIFICATE_STATUS</h3>
<pre class="programlisting">#define GNUTLS_E_NO_CERTIFICATE_STATUS -340
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-NO-CIPHER-SUITES:CAPS"></a><h3>GNUTLS_E_NO_CIPHER_SUITES</h3>
<pre class="programlisting">#define GNUTLS_E_NO_CIPHER_SUITES -87
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-NO-COMPRESSION-ALGORITHMS:CAPS"></a><h3>GNUTLS_E_NO_COMPRESSION_ALGORITHMS</h3>
<pre class="programlisting">#define GNUTLS_E_NO_COMPRESSION_ALGORITHMS -86
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-NO-PRIORITIES-WERE-SET:CAPS"></a><h3>GNUTLS_E_NO_PRIORITIES_WERE_SET</h3>
<pre class="programlisting">#define GNUTLS_E_NO_PRIORITIES_WERE_SET -326
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-NO-TEMPORARY-DH-PARAMS:CAPS"></a><h3>GNUTLS_E_NO_TEMPORARY_DH_PARAMS</h3>
<pre class="programlisting">#define GNUTLS_E_NO_TEMPORARY_DH_PARAMS -93
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-NO-TEMPORARY-RSA-PARAMS:CAPS"></a><h3>GNUTLS_E_NO_TEMPORARY_RSA_PARAMS</h3>
<pre class="programlisting">#define GNUTLS_E_NO_TEMPORARY_RSA_PARAMS -84
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-OCSP-RESPONSE-ERROR:CAPS"></a><h3>GNUTLS_E_OCSP_RESPONSE_ERROR</h3>
<pre class="programlisting">#define GNUTLS_E_OCSP_RESPONSE_ERROR -341
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-OPENPGP-FINGERPRINT-UNSUPPORTED:CAPS"></a><h3>GNUTLS_E_OPENPGP_FINGERPRINT_UNSUPPORTED</h3>
<pre class="programlisting">#define GNUTLS_E_OPENPGP_FINGERPRINT_UNSUPPORTED -94
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-OPENPGP-GETKEY-FAILED:CAPS"></a><h3>GNUTLS_E_OPENPGP_GETKEY_FAILED</h3>
<pre class="programlisting">#define GNUTLS_E_OPENPGP_GETKEY_FAILED -88
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-OPENPGP-KEYRING-ERROR:CAPS"></a><h3>GNUTLS_E_OPENPGP_KEYRING_ERROR</h3>
<pre class="programlisting">#define GNUTLS_E_OPENPGP_KEYRING_ERROR -204
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-OPENPGP-PREFERRED-KEY-ERROR:CAPS"></a><h3>GNUTLS_E_OPENPGP_PREFERRED_KEY_ERROR</h3>
<pre class="programlisting">#define GNUTLS_E_OPENPGP_PREFERRED_KEY_ERROR -215
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-OPENPGP-SUBKEY-ERROR:CAPS"></a><h3>GNUTLS_E_OPENPGP_SUBKEY_ERROR</h3>
<pre class="programlisting">#define GNUTLS_E_OPENPGP_SUBKEY_ERROR -208
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-OPENPGP-UID-REVOKED:CAPS"></a><h3>GNUTLS_E_OPENPGP_UID_REVOKED</h3>
<pre class="programlisting">#define GNUTLS_E_OPENPGP_UID_REVOKED -79
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-PARSING-ERROR:CAPS"></a><h3>GNUTLS_E_PARSING_ERROR</h3>
<pre class="programlisting">#define GNUTLS_E_PARSING_ERROR -302
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-PKCS11-ATTRIBUTE-ERROR:CAPS"></a><h3>GNUTLS_E_PKCS11_ATTRIBUTE_ERROR</h3>
<pre class="programlisting">#define GNUTLS_E_PKCS11_ATTRIBUTE_ERROR -307
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-PKCS11-DATA-ERROR:CAPS"></a><h3>GNUTLS_E_PKCS11_DATA_ERROR</h3>
<pre class="programlisting">#define GNUTLS_E_PKCS11_DATA_ERROR -309
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-PKCS11-DEVICE-ERROR:CAPS"></a><h3>GNUTLS_E_PKCS11_DEVICE_ERROR</h3>
<pre class="programlisting">#define GNUTLS_E_PKCS11_DEVICE_ERROR -308
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-PKCS11-ERROR:CAPS"></a><h3>GNUTLS_E_PKCS11_ERROR</h3>
<pre class="programlisting">#define GNUTLS_E_PKCS11_ERROR -300
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-PKCS11-KEY-ERROR:CAPS"></a><h3>GNUTLS_E_PKCS11_KEY_ERROR</h3>
<pre class="programlisting">#define GNUTLS_E_PKCS11_KEY_ERROR -311
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-PKCS11-LOAD-ERROR:CAPS"></a><h3>GNUTLS_E_PKCS11_LOAD_ERROR</h3>
<pre class="programlisting">#define GNUTLS_E_PKCS11_LOAD_ERROR -301
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-PKCS11-PIN-ERROR:CAPS"></a><h3>GNUTLS_E_PKCS11_PIN_ERROR</h3>
<pre class="programlisting">#define GNUTLS_E_PKCS11_PIN_ERROR -303
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-PKCS11-PIN-EXPIRED:CAPS"></a><h3>GNUTLS_E_PKCS11_PIN_EXPIRED</h3>
<pre class="programlisting">#define GNUTLS_E_PKCS11_PIN_EXPIRED -312
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-PKCS11-PIN-LOCKED:CAPS"></a><h3>GNUTLS_E_PKCS11_PIN_LOCKED</h3>
<pre class="programlisting">#define GNUTLS_E_PKCS11_PIN_LOCKED -313
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-PKCS11-REQUESTED-OBJECT-NOT-AVAILBLE:CAPS"></a><h3>GNUTLS_E_PKCS11_REQUESTED_OBJECT_NOT_AVAILBLE</h3>
<pre class="programlisting">#define GNUTLS_E_PKCS11_REQUESTED_OBJECT_NOT_AVAILBLE -323
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-PKCS11-SESSION-ERROR:CAPS"></a><h3>GNUTLS_E_PKCS11_SESSION_ERROR</h3>
<pre class="programlisting">#define GNUTLS_E_PKCS11_SESSION_ERROR -314
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-PKCS11-SIGNATURE-ERROR:CAPS"></a><h3>GNUTLS_E_PKCS11_SIGNATURE_ERROR</h3>
<pre class="programlisting">#define GNUTLS_E_PKCS11_SIGNATURE_ERROR -315
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-PKCS11-SLOT-ERROR:CAPS"></a><h3>GNUTLS_E_PKCS11_SLOT_ERROR</h3>
<pre class="programlisting">#define GNUTLS_E_PKCS11_SLOT_ERROR -305
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-PKCS11-TOKEN-ERROR:CAPS"></a><h3>GNUTLS_E_PKCS11_TOKEN_ERROR</h3>
<pre class="programlisting">#define GNUTLS_E_PKCS11_TOKEN_ERROR -316
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-PKCS11-UNSUPPORTED-FEATURE-ERROR:CAPS"></a><h3>GNUTLS_E_PKCS11_UNSUPPORTED_FEATURE_ERROR</h3>
<pre class="programlisting">#define GNUTLS_E_PKCS11_UNSUPPORTED_FEATURE_ERROR -310
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-PKCS11-USER-ERROR:CAPS"></a><h3>GNUTLS_E_PKCS11_USER_ERROR</h3>
<pre class="programlisting">#define GNUTLS_E_PKCS11_USER_ERROR -317
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-PKCS1-WRONG-PAD:CAPS"></a><h3>GNUTLS_E_PKCS1_WRONG_PAD</h3>
<pre class="programlisting">#define GNUTLS_E_PKCS1_WRONG_PAD -57
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-PK-DECRYPTION-FAILED:CAPS"></a><h3>GNUTLS_E_PK_DECRYPTION_FAILED</h3>
<pre class="programlisting">#define GNUTLS_E_PK_DECRYPTION_FAILED -45
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-PK-ENCRYPTION-FAILED:CAPS"></a><h3>GNUTLS_E_PK_ENCRYPTION_FAILED</h3>
<pre class="programlisting">#define GNUTLS_E_PK_ENCRYPTION_FAILED -44
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-PK-SIGN-FAILED:CAPS"></a><h3>GNUTLS_E_PK_SIGN_FAILED</h3>
<pre class="programlisting">#define GNUTLS_E_PK_SIGN_FAILED -46
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-PK-SIG-VERIFY-FAILED:CAPS"></a><h3>GNUTLS_E_PK_SIG_VERIFY_FAILED</h3>
<pre class="programlisting">#define GNUTLS_E_PK_SIG_VERIFY_FAILED -89
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-PREMATURE-TERMINATION:CAPS"></a><h3>GNUTLS_E_PREMATURE_TERMINATION</h3>
<pre class="programlisting">#define GNUTLS_E_PREMATURE_TERMINATION -110
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-PULL-ERROR:CAPS"></a><h3>GNUTLS_E_PULL_ERROR</h3>
<pre class="programlisting">#define GNUTLS_E_PULL_ERROR -54
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-PUSH-ERROR:CAPS"></a><h3>GNUTLS_E_PUSH_ERROR</h3>
<pre class="programlisting">#define GNUTLS_E_PUSH_ERROR -53
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-RANDOM-FAILED:CAPS"></a><h3>GNUTLS_E_RANDOM_FAILED</h3>
<pre class="programlisting">#define GNUTLS_E_RANDOM_FAILED -206
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-RECEIVED-ILLEGAL-EXTENSION:CAPS"></a><h3>GNUTLS_E_RECEIVED_ILLEGAL_EXTENSION</h3>
<pre class="programlisting">#define GNUTLS_E_RECEIVED_ILLEGAL_EXTENSION -58
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-RECEIVED-ILLEGAL-PARAMETER:CAPS"></a><h3>GNUTLS_E_RECEIVED_ILLEGAL_PARAMETER</h3>
<pre class="programlisting">#define GNUTLS_E_RECEIVED_ILLEGAL_PARAMETER -55 /* GNUTLS_A_ILLEGAL_PARAMETER */
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-RECORD-LIMIT-REACHED:CAPS"></a><h3>GNUTLS_E_RECORD_LIMIT_REACHED</h3>
<pre class="programlisting">#define GNUTLS_E_RECORD_LIMIT_REACHED -39
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-REHANDSHAKE:CAPS"></a><h3>GNUTLS_E_REHANDSHAKE</h3>
<pre class="programlisting">#define GNUTLS_E_REHANDSHAKE -37 /* GNUTLS_A_NO_RENEGOTIATION */
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-REQUESTED-DATA-NOT-AVAILABLE:CAPS"></a><h3>GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE</h3>
<pre class="programlisting">#define GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE -56
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-SAFE-RENEGOTIATION-FAILED:CAPS"></a><h3>GNUTLS_E_SAFE_RENEGOTIATION_FAILED</h3>
<pre class="programlisting">#define GNUTLS_E_SAFE_RENEGOTIATION_FAILED -107
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-SESSION-EOF:CAPS"></a><h3>GNUTLS_E_SESSION_EOF</h3>
<pre class="programlisting">#define GNUTLS_E_SESSION_EOF -328
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-SHORT-MEMORY-BUFFER:CAPS"></a><h3>GNUTLS_E_SHORT_MEMORY_BUFFER</h3>
<pre class="programlisting">#define GNUTLS_E_SHORT_MEMORY_BUFFER -51
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-SRP-PWD-ERROR:CAPS"></a><h3>GNUTLS_E_SRP_PWD_ERROR</h3>
<pre class="programlisting">#define GNUTLS_E_SRP_PWD_ERROR -31
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-SRP-PWD-PARSING-ERROR:CAPS"></a><h3>GNUTLS_E_SRP_PWD_PARSING_ERROR</h3>
<pre class="programlisting">#define GNUTLS_E_SRP_PWD_PARSING_ERROR -91
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-SUCCESS:CAPS"></a><h3>GNUTLS_E_SUCCESS</h3>
<pre class="programlisting">#define GNUTLS_E_SUCCESS 0
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-TIMEDOUT:CAPS"></a><h3>GNUTLS_E_TIMEDOUT</h3>
<pre class="programlisting">#define GNUTLS_E_TIMEDOUT -319
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-TOO-MANY-EMPTY-PACKETS:CAPS"></a><h3>GNUTLS_E_TOO_MANY_EMPTY_PACKETS</h3>
<pre class="programlisting">#define GNUTLS_E_TOO_MANY_EMPTY_PACKETS -78
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-TOO-MANY-HANDSHAKE-PACKETS:CAPS"></a><h3>GNUTLS_E_TOO_MANY_HANDSHAKE_PACKETS</h3>
<pre class="programlisting">#define GNUTLS_E_TOO_MANY_HANDSHAKE_PACKETS -81
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-TPM-ERROR:CAPS"></a><h3>GNUTLS_E_TPM_ERROR</h3>
<pre class="programlisting">#define GNUTLS_E_TPM_ERROR -329
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-TPM-KEY-NOT-FOUND:CAPS"></a><h3>GNUTLS_E_TPM_KEY_NOT_FOUND</h3>
<pre class="programlisting">#define GNUTLS_E_TPM_KEY_NOT_FOUND -333
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-TPM-KEY-PASSWORD-ERROR:CAPS"></a><h3>GNUTLS_E_TPM_KEY_PASSWORD_ERROR</h3>
<pre class="programlisting">#define GNUTLS_E_TPM_KEY_PASSWORD_ERROR -330
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-TPM-SESSION-ERROR:CAPS"></a><h3>GNUTLS_E_TPM_SESSION_ERROR</h3>
<pre class="programlisting">#define GNUTLS_E_TPM_SESSION_ERROR -332
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-TPM-SRK-PASSWORD-ERROR:CAPS"></a><h3>GNUTLS_E_TPM_SRK_PASSWORD_ERROR</h3>
<pre class="programlisting">#define GNUTLS_E_TPM_SRK_PASSWORD_ERROR -331
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-TPM-UNINITIALIZED:CAPS"></a><h3>GNUTLS_E_TPM_UNINITIALIZED</h3>
<pre class="programlisting">#define GNUTLS_E_TPM_UNINITIALIZED -334
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-UNEXPECTED-HANDSHAKE-PACKET:CAPS"></a><h3>GNUTLS_E_UNEXPECTED_HANDSHAKE_PACKET</h3>
<pre class="programlisting">#define GNUTLS_E_UNEXPECTED_HANDSHAKE_PACKET -19
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-UNEXPECTED-PACKET:CAPS"></a><h3>GNUTLS_E_UNEXPECTED_PACKET</h3>
<pre class="programlisting">#define GNUTLS_E_UNEXPECTED_PACKET -15 /* GNUTLS_A_UNEXPECTED_MESSAGE */
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-UNEXPECTED-PACKET-LENGTH:CAPS"></a><h3>GNUTLS_E_UNEXPECTED_PACKET_LENGTH</h3>
<pre class="programlisting">#define GNUTLS_E_UNEXPECTED_PACKET_LENGTH -9 /* GNUTLS_A_RECORD_OVERFLOW */
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-UNIMPLEMENTED-FEATURE:CAPS"></a><h3>GNUTLS_E_UNIMPLEMENTED_FEATURE</h3>
<pre class="programlisting">#define GNUTLS_E_UNIMPLEMENTED_FEATURE -1250
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-UNKNOWN-ALGORITHM:CAPS"></a><h3>GNUTLS_E_UNKNOWN_ALGORITHM</h3>
<pre class="programlisting">#define GNUTLS_E_UNKNOWN_ALGORITHM -105
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-UNKNOWN-CIPHER-SUITE:CAPS"></a><h3>GNUTLS_E_UNKNOWN_CIPHER_SUITE</h3>
<pre class="programlisting">#define GNUTLS_E_UNKNOWN_CIPHER_SUITE -21 /* GNUTLS_A_HANDSHAKE_FAILURE */
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-UNKNOWN-CIPHER-TYPE:CAPS"></a><h3>GNUTLS_E_UNKNOWN_CIPHER_TYPE</h3>
<pre class="programlisting">#define GNUTLS_E_UNKNOWN_CIPHER_TYPE -6
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-UNKNOWN-COMPRESSION-ALGORITHM:CAPS"></a><h3>GNUTLS_E_UNKNOWN_COMPRESSION_ALGORITHM</h3>
<pre class="programlisting">#define GNUTLS_E_UNKNOWN_COMPRESSION_ALGORITHM -3
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-UNKNOWN-HASH-ALGORITHM:CAPS"></a><h3>GNUTLS_E_UNKNOWN_HASH_ALGORITHM</h3>
<pre class="programlisting">#define GNUTLS_E_UNKNOWN_HASH_ALGORITHM -96
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-UNKNOWN-PKCS-BAG-TYPE:CAPS"></a><h3>GNUTLS_E_UNKNOWN_PKCS_BAG_TYPE</h3>
<pre class="programlisting">#define GNUTLS_E_UNKNOWN_PKCS_BAG_TYPE -98
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-UNKNOWN-PKCS-CONTENT-TYPE:CAPS"></a><h3>GNUTLS_E_UNKNOWN_PKCS_CONTENT_TYPE</h3>
<pre class="programlisting">#define GNUTLS_E_UNKNOWN_PKCS_CONTENT_TYPE -97
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-UNKNOWN-PK-ALGORITHM:CAPS"></a><h3>GNUTLS_E_UNKNOWN_PK_ALGORITHM</h3>
<pre class="programlisting">#define GNUTLS_E_UNKNOWN_PK_ALGORITHM -80
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-UNKNOWN-SRP-USERNAME:CAPS"></a><h3>GNUTLS_E_UNKNOWN_SRP_USERNAME</h3>
<pre class="programlisting">#define GNUTLS_E_UNKNOWN_SRP_USERNAME -109
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-UNSAFE-RENEGOTIATION-DENIED:CAPS"></a><h3>GNUTLS_E_UNSAFE_RENEGOTIATION_DENIED</h3>
<pre class="programlisting">#define GNUTLS_E_UNSAFE_RENEGOTIATION_DENIED -108
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-UNSUPPORTED-CERTIFICATE-TYPE:CAPS"></a><h3>GNUTLS_E_UNSUPPORTED_CERTIFICATE_TYPE</h3>
<pre class="programlisting">#define GNUTLS_E_UNSUPPORTED_CERTIFICATE_TYPE -61 /* GNUTLS_A_UNSUPPORTED_CERTIFICATE */
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-UNSUPPORTED-SIGNATURE-ALGORITHM:CAPS"></a><h3>GNUTLS_E_UNSUPPORTED_SIGNATURE_ALGORITHM</h3>
<pre class="programlisting">#define GNUTLS_E_UNSUPPORTED_SIGNATURE_ALGORITHM -106
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-UNSUPPORTED-VERSION-PACKET:CAPS"></a><h3>GNUTLS_E_UNSUPPORTED_VERSION_PACKET</h3>
<pre class="programlisting">#define GNUTLS_E_UNSUPPORTED_VERSION_PACKET -8 /* GNUTLS_A_PROTOCOL_VERSION */
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-UNWANTED-ALGORITHM:CAPS"></a><h3>GNUTLS_E_UNWANTED_ALGORITHM</h3>
<pre class="programlisting">#define GNUTLS_E_UNWANTED_ALGORITHM -22
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-USER-ERROR:CAPS"></a><h3>GNUTLS_E_USER_ERROR</h3>
<pre class="programlisting">#define GNUTLS_E_USER_ERROR -320
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-WARNING-ALERT-RECEIVED:CAPS"></a><h3>GNUTLS_E_WARNING_ALERT_RECEIVED</h3>
<pre class="programlisting">#define GNUTLS_E_WARNING_ALERT_RECEIVED -16
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-WARNING-IA-FPHF-RECEIVED:CAPS"></a><h3>GNUTLS_E_WARNING_IA_FPHF_RECEIVED</h3>
<pre class="programlisting">#define GNUTLS_E_WARNING_IA_FPHF_RECEIVED -103
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-WARNING-IA-IPHF-RECEIVED:CAPS"></a><h3>GNUTLS_E_WARNING_IA_IPHF_RECEIVED</h3>
<pre class="programlisting">#define GNUTLS_E_WARNING_IA_IPHF_RECEIVED -102
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-X509-CERTIFICATE-ERROR:CAPS"></a><h3>GNUTLS_E_X509_CERTIFICATE_ERROR</h3>
<pre class="programlisting">#define GNUTLS_E_X509_CERTIFICATE_ERROR GNUTLS_E_CERTIFICATE_ERROR
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-X509-UNKNOWN-SAN:CAPS"></a><h3>GNUTLS_E_X509_UNKNOWN_SAN</h3>
<pre class="programlisting">#define GNUTLS_E_X509_UNKNOWN_SAN -62
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-X509-UNSUPPORTED-ATTRIBUTE:CAPS"></a><h3>GNUTLS_E_X509_UNSUPPORTED_ATTRIBUTE</h3>
<pre class="programlisting">#define GNUTLS_E_X509_UNSUPPORTED_ATTRIBUTE -95
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-X509-UNSUPPORTED-CRITICAL-EXTENSION:CAPS"></a><h3>GNUTLS_E_X509_UNSUPPORTED_CRITICAL_EXTENSION</h3>
<pre class="programlisting">#define GNUTLS_E_X509_UNSUPPORTED_CRITICAL_EXTENSION -47
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-X509-UNSUPPORTED-EXTENSION:CAPS"></a><h3>GNUTLS_E_X509_UNSUPPORTED_EXTENSION</h3>
<pre class="programlisting">#define GNUTLS_E_X509_UNSUPPORTED_EXTENSION -327
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-E-X509-UNSUPPORTED-OID:CAPS"></a><h3>GNUTLS_E_X509_UNSUPPORTED_OID</h3>
<pre class="programlisting">#define GNUTLS_E_X509_UNSUPPORTED_OID -205
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-HEARTBEAT-WAIT:CAPS"></a><h3>GNUTLS_HEARTBEAT_WAIT</h3>
<pre class="programlisting">#define GNUTLS_HEARTBEAT_WAIT 1
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-KEY-CRL-SIGN:CAPS"></a><h3>GNUTLS_KEY_CRL_SIGN</h3>
<pre class="programlisting">#define GNUTLS_KEY_CRL_SIGN		2
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-KEY-DATA-ENCIPHERMENT:CAPS"></a><h3>GNUTLS_KEY_DATA_ENCIPHERMENT</h3>
<pre class="programlisting">#define GNUTLS_KEY_DATA_ENCIPHERMENT 16
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-KEY-DECIPHER-ONLY:CAPS"></a><h3>GNUTLS_KEY_DECIPHER_ONLY</h3>
<pre class="programlisting">#define GNUTLS_KEY_DECIPHER_ONLY 32768
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-KEY-DIGITAL-SIGNATURE:CAPS"></a><h3>GNUTLS_KEY_DIGITAL_SIGNATURE</h3>
<pre class="programlisting">#define GNUTLS_KEY_DIGITAL_SIGNATURE 128
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-KEY-ENCIPHER-ONLY:CAPS"></a><h3>GNUTLS_KEY_ENCIPHER_ONLY</h3>
<pre class="programlisting">#define GNUTLS_KEY_ENCIPHER_ONLY 1
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-KEY-KEY-AGREEMENT:CAPS"></a><h3>GNUTLS_KEY_KEY_AGREEMENT</h3>
<pre class="programlisting">#define GNUTLS_KEY_KEY_AGREEMENT 8
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-KEY-KEY-CERT-SIGN:CAPS"></a><h3>GNUTLS_KEY_KEY_CERT_SIGN</h3>
<pre class="programlisting">#define GNUTLS_KEY_KEY_CERT_SIGN 4
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-KEY-KEY-ENCIPHERMENT:CAPS"></a><h3>GNUTLS_KEY_KEY_ENCIPHERMENT</h3>
<pre class="programlisting">#define GNUTLS_KEY_KEY_ENCIPHERMENT 32
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-KEY-NON-REPUDIATION:CAPS"></a><h3>GNUTLS_KEY_NON_REPUDIATION</h3>
<pre class="programlisting">#define GNUTLS_KEY_NON_REPUDIATION 64
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-MAC-SHA:CAPS"></a><h3>GNUTLS_MAC_SHA</h3>
<pre class="programlisting">#define GNUTLS_MAC_SHA GNUTLS_MAC_SHA1
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-MAX-ALGORITHM-NUM:CAPS"></a><h3>GNUTLS_MAX_ALGORITHM_NUM</h3>
<pre class="programlisting">#define GNUTLS_MAX_ALGORITHM_NUM 32
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-MAX-SESSION-ID:CAPS"></a><h3>GNUTLS_MAX_SESSION_ID</h3>
<pre class="programlisting">#define GNUTLS_MAX_SESSION_ID 32
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-PKCS11-PIN-CONTEXT-SPECIFIC:CAPS"></a><h3>GNUTLS_PKCS11_PIN_CONTEXT_SPECIFIC</h3>
<pre class="programlisting">#define GNUTLS_PKCS11_PIN_CONTEXT_SPECIFIC GNUTLS_PIN_CONTEXT_SPECIFIC
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-PKCS11-PIN-COUNT-LOW:CAPS"></a><h3>GNUTLS_PKCS11_PIN_COUNT_LOW</h3>
<pre class="programlisting">#define GNUTLS_PKCS11_PIN_COUNT_LOW  GNUTLS_PIN_COUNT_LOW
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-PKCS11-PIN-FINAL-TRY:CAPS"></a><h3>GNUTLS_PKCS11_PIN_FINAL_TRY</h3>
<pre class="programlisting">#define GNUTLS_PKCS11_PIN_FINAL_TRY GNUTLS_PIN_FINAL_TRY
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-PKCS11-PIN-SO:CAPS"></a><h3>GNUTLS_PKCS11_PIN_SO</h3>
<pre class="programlisting">#define GNUTLS_PKCS11_PIN_SO GNUTLS_PIN_SO
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-PKCS11-PIN-USER:CAPS"></a><h3>GNUTLS_PKCS11_PIN_USER</h3>
<pre class="programlisting">#define GNUTLS_PKCS11_PIN_USER GNUTLS_PIN_USER
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-PKCS11-PIN-WRONG:CAPS"></a><h3>GNUTLS_PKCS11_PIN_WRONG</h3>
<pre class="programlisting">#define GNUTLS_PKCS11_PIN_WRONG GNUTLS_PIN_WRONG
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-PK-ECC:CAPS"></a><h3>GNUTLS_PK_ECC</h3>
<pre class="programlisting">#define GNUTLS_PK_ECC GNUTLS_PK_EC
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-SERVER:CAPS"></a><h3>GNUTLS_SERVER</h3>
<pre class="programlisting">#define GNUTLS_SERVER 1
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-VERSION:CAPS"></a><h3>GNUTLS_VERSION</h3>
<pre class="programlisting">#define GNUTLS_VERSION "3.4.9"
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-VERSION-MAJOR:CAPS"></a><h3>GNUTLS_VERSION_MAJOR</h3>
<pre class="programlisting">#define GNUTLS_VERSION_MAJOR 3
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-VERSION-MINOR:CAPS"></a><h3>GNUTLS_VERSION_MINOR</h3>
<pre class="programlisting">#define GNUTLS_VERSION_MINOR 4
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-VERSION-NUMBER:CAPS"></a><h3>GNUTLS_VERSION_NUMBER</h3>
<pre class="programlisting">#define GNUTLS_VERSION_NUMBER 0x030409
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GNUTLS-VERSION-PATCH:CAPS"></a><h3>GNUTLS_VERSION_PATCH</h3>
<pre class="programlisting">#define GNUTLS_VERSION_PATCH 9
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="HAVE-SSIZE-T:CAPS"></a><h3>HAVE_SSIZE_T</h3>
<pre class="programlisting">#define             HAVE_SSIZE_T</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-alert-description-t"></a><h3>enum gnutls_alert_description_t</h3>
<p>Enumeration of different TLS alerts.</p>
<div class="refsect3">
<a name="id-1.2.4.7.189.4"></a><h4>Members</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="300px" class="enum_members_name">
<col class="enum_members_description">
<col width="200px" class="enum_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-A-CLOSE-NOTIFY:CAPS"></a>GNUTLS_A_CLOSE_NOTIFY</p></td>
<td class="enum_member_description">
<p>Close notify.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-A-UNEXPECTED-MESSAGE:CAPS"></a>GNUTLS_A_UNEXPECTED_MESSAGE</p></td>
<td class="enum_member_description">
<p>Unexpected message.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-A-BAD-RECORD-MAC:CAPS"></a>GNUTLS_A_BAD_RECORD_MAC</p></td>
<td class="enum_member_description">
<p>Bad record MAC.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-A-DECRYPTION-FAILED:CAPS"></a>GNUTLS_A_DECRYPTION_FAILED</p></td>
<td class="enum_member_description">
<p>Decryption failed.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-A-RECORD-OVERFLOW:CAPS"></a>GNUTLS_A_RECORD_OVERFLOW</p></td>
<td class="enum_member_description">
<p>Record overflow.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-A-DECOMPRESSION-FAILURE:CAPS"></a>GNUTLS_A_DECOMPRESSION_FAILURE</p></td>
<td class="enum_member_description">
<p>Decompression failed.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-A-HANDSHAKE-FAILURE:CAPS"></a>GNUTLS_A_HANDSHAKE_FAILURE</p></td>
<td class="enum_member_description">
<p>Handshake failed.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-A-SSL3-NO-CERTIFICATE:CAPS"></a>GNUTLS_A_SSL3_NO_CERTIFICATE</p></td>
<td class="enum_member_description">
<p>No certificate.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-A-BAD-CERTIFICATE:CAPS"></a>GNUTLS_A_BAD_CERTIFICATE</p></td>
<td class="enum_member_description">
<p>Certificate is bad.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-A-UNSUPPORTED-CERTIFICATE:CAPS"></a>GNUTLS_A_UNSUPPORTED_CERTIFICATE</p></td>
<td class="enum_member_description">
<p>Certificate is not supported.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-A-CERTIFICATE-REVOKED:CAPS"></a>GNUTLS_A_CERTIFICATE_REVOKED</p></td>
<td class="enum_member_description">
<p>Certificate was revoked.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-A-CERTIFICATE-EXPIRED:CAPS"></a>GNUTLS_A_CERTIFICATE_EXPIRED</p></td>
<td class="enum_member_description">
<p>Certificate is expired.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-A-CERTIFICATE-UNKNOWN:CAPS"></a>GNUTLS_A_CERTIFICATE_UNKNOWN</p></td>
<td class="enum_member_description">
<p>Unknown certificate.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-A-ILLEGAL-PARAMETER:CAPS"></a>GNUTLS_A_ILLEGAL_PARAMETER</p></td>
<td class="enum_member_description">
<p>Illegal parameter.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-A-UNKNOWN-CA:CAPS"></a>GNUTLS_A_UNKNOWN_CA</p></td>
<td class="enum_member_description">
<p>CA is unknown.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-A-ACCESS-DENIED:CAPS"></a>GNUTLS_A_ACCESS_DENIED</p></td>
<td class="enum_member_description">
<p>Access was denied.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-A-DECODE-ERROR:CAPS"></a>GNUTLS_A_DECODE_ERROR</p></td>
<td class="enum_member_description">
<p>Decode error.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-A-DECRYPT-ERROR:CAPS"></a>GNUTLS_A_DECRYPT_ERROR</p></td>
<td class="enum_member_description">
<p>Decrypt error.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-A-EXPORT-RESTRICTION:CAPS"></a>GNUTLS_A_EXPORT_RESTRICTION</p></td>
<td class="enum_member_description">
<p>Export restriction.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-A-PROTOCOL-VERSION:CAPS"></a>GNUTLS_A_PROTOCOL_VERSION</p></td>
<td class="enum_member_description">
<p>Error in protocol version.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-A-INSUFFICIENT-SECURITY:CAPS"></a>GNUTLS_A_INSUFFICIENT_SECURITY</p></td>
<td class="enum_member_description">
<p>Insufficient security.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-A-INTERNAL-ERROR:CAPS"></a>GNUTLS_A_INTERNAL_ERROR</p></td>
<td class="enum_member_description">
<p>Internal error.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-A-INAPPROPRIATE-FALLBACK:CAPS"></a>GNUTLS_A_INAPPROPRIATE_FALLBACK</p></td>
<td class="enum_member_description">
<p>Inappropriate fallback,</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-A-USER-CANCELED:CAPS"></a>GNUTLS_A_USER_CANCELED</p></td>
<td class="enum_member_description">
<p>User canceled.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-A-NO-RENEGOTIATION:CAPS"></a>GNUTLS_A_NO_RENEGOTIATION</p></td>
<td class="enum_member_description">
<p>No renegotiation is allowed.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-A-UNSUPPORTED-EXTENSION:CAPS"></a>GNUTLS_A_UNSUPPORTED_EXTENSION</p></td>
<td class="enum_member_description">
<p>An unsupported extension was
  sent.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-A-CERTIFICATE-UNOBTAINABLE:CAPS"></a>GNUTLS_A_CERTIFICATE_UNOBTAINABLE</p></td>
<td class="enum_member_description">
<p>Could not retrieve the
  specified certificate.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-A-UNRECOGNIZED-NAME:CAPS"></a>GNUTLS_A_UNRECOGNIZED_NAME</p></td>
<td class="enum_member_description">
<p>The server name sent was not
  recognized.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-A-UNKNOWN-PSK-IDENTITY:CAPS"></a>GNUTLS_A_UNKNOWN_PSK_IDENTITY</p></td>
<td class="enum_member_description">
<p>The SRP/PSK username is missing
  or not known.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-A-NO-APPLICATION-PROTOCOL:CAPS"></a>GNUTLS_A_NO_APPLICATION_PROTOCOL</p></td>
<td class="enum_member_description">
<p>The ALPN protocol requested is
  not supported by the peer.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-alert-level-t"></a><h3>enum gnutls_alert_level_t</h3>
<p>Enumeration of different TLS alert severities.</p>
<div class="refsect3">
<a name="id-1.2.4.7.190.4"></a><h4>Members</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="300px" class="enum_members_name">
<col class="enum_members_description">
<col width="200px" class="enum_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-AL-WARNING:CAPS"></a>GNUTLS_AL_WARNING</p></td>
<td class="enum_member_description">
<p>Alert of warning severity.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-AL-FATAL:CAPS"></a>GNUTLS_AL_FATAL</p></td>
<td class="enum_member_description">
<p>Alert of fatal severity.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-certificate-credentials-st"></a><h3>struct gnutls_certificate_credentials_st</h3>
<pre class="programlisting">struct gnutls_certificate_credentials_st;</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-certificate-print-formats-t"></a><h3>enum gnutls_certificate_print_formats_t</h3>
<p>Enumeration of different certificate printing variants.</p>
<div class="refsect3">
<a name="id-1.2.4.7.192.4"></a><h4>Members</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="300px" class="enum_members_name">
<col class="enum_members_description">
<col width="200px" class="enum_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-CRT-PRINT-FULL:CAPS"></a>GNUTLS_CRT_PRINT_FULL</p></td>
<td class="enum_member_description">
<p>Full information about certificate.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-CRT-PRINT-ONELINE:CAPS"></a>GNUTLS_CRT_PRINT_ONELINE</p></td>
<td class="enum_member_description">
<p>Information about certificate in one line.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-CRT-PRINT-UNSIGNED-FULL:CAPS"></a>GNUTLS_CRT_PRINT_UNSIGNED_FULL</p></td>
<td class="enum_member_description">
<p>All info for an unsigned certificate.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-CRT-PRINT-COMPACT:CAPS"></a>GNUTLS_CRT_PRINT_COMPACT</p></td>
<td class="enum_member_description">
<p>Information about certificate name in one line, plus identification of the public key.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-CRT-PRINT-FULL-NUMBERS:CAPS"></a>GNUTLS_CRT_PRINT_FULL_NUMBERS</p></td>
<td class="enum_member_description">
<p>Full information about certificate and include easy to parse public key parameters.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-certificate-request-t"></a><h3>enum gnutls_certificate_request_t</h3>
<p>Enumeration of certificate request types.</p>
<div class="refsect3">
<a name="id-1.2.4.7.193.4"></a><h4>Members</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="300px" class="enum_members_name">
<col class="enum_members_description">
<col width="200px" class="enum_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-CERT-IGNORE:CAPS"></a>GNUTLS_CERT_IGNORE</p></td>
<td class="enum_member_description">
<p>Ignore certificate.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-CERT-REQUEST:CAPS"></a>GNUTLS_CERT_REQUEST</p></td>
<td class="enum_member_description">
<p>Request certificate.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-CERT-REQUIRE:CAPS"></a>GNUTLS_CERT_REQUIRE</p></td>
<td class="enum_member_description">
<p>Require certificate.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-certificate-status-t"></a><h3>enum gnutls_certificate_status_t</h3>
<p>Enumeration of certificate status codes.  Note that the status
bits may have different meanings in OpenPGP keys and X.509
certificate verification.</p>
<div class="refsect3">
<a name="id-1.2.4.7.194.4"></a><h4>Members</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="300px" class="enum_members_name">
<col class="enum_members_description">
<col width="200px" class="enum_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-CERT-INVALID:CAPS"></a>GNUTLS_CERT_INVALID</p></td>
<td class="enum_member_description">
<p>The certificate is not signed by one of the
  known authorities or the signature is invalid (deprecated by the flags 
  <a class="link" href="gnutls-gnutls.html#GNUTLS-CERT-SIGNATURE-FAILURE:CAPS"><code class="literal">GNUTLS_CERT_SIGNATURE_FAILURE</code></a> and <a class="link" href="gnutls-gnutls.html#GNUTLS-CERT-SIGNER-NOT-FOUND:CAPS"><code class="literal">GNUTLS_CERT_SIGNER_NOT_FOUND</code></a>).</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-CERT-REVOKED:CAPS"></a>GNUTLS_CERT_REVOKED</p></td>
<td class="enum_member_description">
<p>Certificate is revoked by its authority.  In X.509 this will be
  set only if CRLs are checked.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-CERT-SIGNER-NOT-FOUND:CAPS"></a>GNUTLS_CERT_SIGNER_NOT_FOUND</p></td>
<td class="enum_member_description">
<p>The certificate's issuer is not known. 
  This is the case if the issuer is not included in the trusted certificate list.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-CERT-SIGNER-NOT-CA:CAPS"></a>GNUTLS_CERT_SIGNER_NOT_CA</p></td>
<td class="enum_member_description">
<p>The certificate's signer was not a CA. This
  may happen if this was a version 1 certificate, which is common with 
  some CAs, or a version 3 certificate without the basic constrains extension.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-CERT-INSECURE-ALGORITHM:CAPS"></a>GNUTLS_CERT_INSECURE_ALGORITHM</p></td>
<td class="enum_member_description">
<p>The certificate was signed using an insecure
  algorithm such as MD2 or MD5. These algorithms have been broken and
  should not be trusted.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-CERT-NOT-ACTIVATED:CAPS"></a>GNUTLS_CERT_NOT_ACTIVATED</p></td>
<td class="enum_member_description">
<p>The certificate is not yet activated.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-CERT-EXPIRED:CAPS"></a>GNUTLS_CERT_EXPIRED</p></td>
<td class="enum_member_description">
<p>The certificate has expired.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-CERT-SIGNATURE-FAILURE:CAPS"></a>GNUTLS_CERT_SIGNATURE_FAILURE</p></td>
<td class="enum_member_description">
<p>The signature verification failed.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-CERT-REVOCATION-DATA-SUPERSEDED:CAPS"></a>GNUTLS_CERT_REVOCATION_DATA_SUPERSEDED</p></td>
<td class="enum_member_description">
<p>The revocation data are old and have been superseded.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-CERT-UNEXPECTED-OWNER:CAPS"></a>GNUTLS_CERT_UNEXPECTED_OWNER</p></td>
<td class="enum_member_description">
<p>The owner is not the expected one.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-CERT-REVOCATION-DATA-ISSUED-IN-FUTURE:CAPS"></a>GNUTLS_CERT_REVOCATION_DATA_ISSUED_IN_FUTURE</p></td>
<td class="enum_member_description">
<p>The revocation data have a future issue date.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-CERT-SIGNER-CONSTRAINTS-FAILURE:CAPS"></a>GNUTLS_CERT_SIGNER_CONSTRAINTS_FAILURE</p></td>
<td class="enum_member_description">
<p>The certificate's signer constraints were
  violated.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-CERT-MISMATCH:CAPS"></a>GNUTLS_CERT_MISMATCH</p></td>
<td class="enum_member_description">
<p>The certificate presented isn't the expected one (TOFU)</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-CERT-PURPOSE-MISMATCH:CAPS"></a>GNUTLS_CERT_PURPOSE_MISMATCH</p></td>
<td class="enum_member_description">
<p>The certificate or an intermediate does not match the intended purpose (extended key usage).</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-certificate-type-t"></a><h3>enum gnutls_certificate_type_t</h3>
<p>Enumeration of different certificate types.</p>
<div class="refsect3">
<a name="id-1.2.4.7.195.4"></a><h4>Members</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="300px" class="enum_members_name">
<col class="enum_members_description">
<col width="200px" class="enum_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-CRT-UNKNOWN:CAPS"></a>GNUTLS_CRT_UNKNOWN</p></td>
<td class="enum_member_description">
<p>Unknown certificate type.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-CRT-X509:CAPS"></a>GNUTLS_CRT_X509</p></td>
<td class="enum_member_description">
<p>X.509 Certificate.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-CRT-OPENPGP:CAPS"></a>GNUTLS_CRT_OPENPGP</p></td>
<td class="enum_member_description">
<p>OpenPGP certificate.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-CRT-RAW:CAPS"></a>GNUTLS_CRT_RAW</p></td>
<td class="enum_member_description">
<p>Raw public key (SubjectPublicKey)</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-channel-binding-t"></a><h3>enum gnutls_channel_binding_t</h3>
<p>Enumeration of support channel binding types.</p>
<div class="refsect3">
<a name="id-1.2.4.7.196.4"></a><h4>Members</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="300px" class="enum_members_name">
<col class="enum_members_description">
<col width="200px" class="enum_members_annotations">
</colgroup>
<tbody><tr>
<td class="enum_member_name"><p><a name="GNUTLS-CB-TLS-UNIQUE:CAPS"></a>GNUTLS_CB_TLS_UNIQUE</p></td>
<td class="enum_member_description">
<p>"tls-unique" (RFC 5929) channel binding</p>
</td>
<td class="enum_member_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-cipher-algorithm-t"></a><h3>enum gnutls_cipher_algorithm_t</h3>
<p>Enumeration of different symmetric encryption algorithms.</p>
<div class="refsect3">
<a name="id-1.2.4.7.197.4"></a><h4>Members</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="300px" class="enum_members_name">
<col class="enum_members_description">
<col width="200px" class="enum_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-CIPHER-UNKNOWN:CAPS"></a>GNUTLS_CIPHER_UNKNOWN</p></td>
<td class="enum_member_description">
<p>Value to identify an unknown/unsupported algorithm.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-CIPHER-NULL:CAPS"></a>GNUTLS_CIPHER_NULL</p></td>
<td class="enum_member_description">
<p>The NULL (identity) encryption algorithm.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-CIPHER-ARCFOUR-128:CAPS"></a>GNUTLS_CIPHER_ARCFOUR_128</p></td>
<td class="enum_member_description">
<p>ARCFOUR stream cipher with 128-bit keys.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-CIPHER-3DES-CBC:CAPS"></a>GNUTLS_CIPHER_3DES_CBC</p></td>
<td class="enum_member_description">
<p>3DES in CBC mode.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-CIPHER-AES-128-CBC:CAPS"></a>GNUTLS_CIPHER_AES_128_CBC</p></td>
<td class="enum_member_description">
<p>AES in CBC mode with 128-bit keys.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-CIPHER-AES-256-CBC:CAPS"></a>GNUTLS_CIPHER_AES_256_CBC</p></td>
<td class="enum_member_description">
<p>AES in CBC mode with 256-bit keys.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-CIPHER-ARCFOUR-40:CAPS"></a>GNUTLS_CIPHER_ARCFOUR_40</p></td>
<td class="enum_member_description">
<p>ARCFOUR stream cipher with 40-bit keys.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-CIPHER-CAMELLIA-128-CBC:CAPS"></a>GNUTLS_CIPHER_CAMELLIA_128_CBC</p></td>
<td class="enum_member_description">
<p>Camellia in CBC mode with 128-bit keys.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-CIPHER-CAMELLIA-256-CBC:CAPS"></a>GNUTLS_CIPHER_CAMELLIA_256_CBC</p></td>
<td class="enum_member_description">
<p>Camellia in CBC mode with 256-bit keys.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-CIPHER-AES-192-CBC:CAPS"></a>GNUTLS_CIPHER_AES_192_CBC</p></td>
<td class="enum_member_description">
<p>AES in CBC mode with 192-bit keys.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-CIPHER-AES-128-GCM:CAPS"></a>GNUTLS_CIPHER_AES_128_GCM</p></td>
<td class="enum_member_description">
<p>AES in GCM mode with 128-bit keys.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-CIPHER-AES-256-GCM:CAPS"></a>GNUTLS_CIPHER_AES_256_GCM</p></td>
<td class="enum_member_description">
<p>AES in GCM mode with 256-bit keys.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-CIPHER-CAMELLIA-192-CBC:CAPS"></a>GNUTLS_CIPHER_CAMELLIA_192_CBC</p></td>
<td class="enum_member_description">
<p>Camellia in CBC mode with 192-bit keys.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-CIPHER-SALSA20-256:CAPS"></a>GNUTLS_CIPHER_SALSA20_256</p></td>
<td class="enum_member_description">
<p>Salsa20 with 256-bit keys.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-CIPHER-ESTREAM-SALSA20-256:CAPS"></a>GNUTLS_CIPHER_ESTREAM_SALSA20_256</p></td>
<td class="enum_member_description">
<p>Estream's Salsa20 variant with 256-bit keys.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-CIPHER-CAMELLIA-128-GCM:CAPS"></a>GNUTLS_CIPHER_CAMELLIA_128_GCM</p></td>
<td class="enum_member_description">
<p>CAMELLIA in GCM mode with 128-bit keys.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-CIPHER-CAMELLIA-256-GCM:CAPS"></a>GNUTLS_CIPHER_CAMELLIA_256_GCM</p></td>
<td class="enum_member_description">
<p>CAMELLIA in GCM mode with 256-bit keys.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-CIPHER-RC2-40-CBC:CAPS"></a>GNUTLS_CIPHER_RC2_40_CBC</p></td>
<td class="enum_member_description">
<p>RC2 in CBC mode with 40-bit keys.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-CIPHER-DES-CBC:CAPS"></a>GNUTLS_CIPHER_DES_CBC</p></td>
<td class="enum_member_description">
<p>DES in CBC mode (56-bit keys).</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-CIPHER-AES-128-CCM:CAPS"></a>GNUTLS_CIPHER_AES_128_CCM</p></td>
<td class="enum_member_description">
<p>AES in CCM mode with 128-bit keys.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-CIPHER-AES-256-CCM:CAPS"></a>GNUTLS_CIPHER_AES_256_CCM</p></td>
<td class="enum_member_description">
<p>AES in CCM mode with 256-bit keys.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-CIPHER-AES-128-CCM-8:CAPS"></a>GNUTLS_CIPHER_AES_128_CCM_8</p></td>
<td class="enum_member_description">
<p>AES in CCM mode with 64-bit tag and 128-bit keys.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-CIPHER-AES-256-CCM-8:CAPS"></a>GNUTLS_CIPHER_AES_256_CCM_8</p></td>
<td class="enum_member_description">
<p>AES in CCM mode with 64-bit tag and 256-bit keys.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-CIPHER-CHACHA20-POLY1305:CAPS"></a>GNUTLS_CIPHER_CHACHA20_POLY1305</p></td>
<td class="enum_member_description">
<p>The Chacha20 cipher with the Poly1305 authenticator (AEAD).</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-CIPHER-IDEA-PGP-CFB:CAPS"></a>GNUTLS_CIPHER_IDEA_PGP_CFB</p></td>
<td class="enum_member_description">
<p>IDEA in CFB mode (placeholder - unsupported).</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-CIPHER-3DES-PGP-CFB:CAPS"></a>GNUTLS_CIPHER_3DES_PGP_CFB</p></td>
<td class="enum_member_description">
<p>3DES in CFB mode (placeholder - unsupported).</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-CIPHER-CAST5-PGP-CFB:CAPS"></a>GNUTLS_CIPHER_CAST5_PGP_CFB</p></td>
<td class="enum_member_description">
<p>CAST5 in CFB mode (placeholder - unsupported).</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-CIPHER-BLOWFISH-PGP-CFB:CAPS"></a>GNUTLS_CIPHER_BLOWFISH_PGP_CFB</p></td>
<td class="enum_member_description">
<p>Blowfish in CFB mode (placeholder - unsupported).</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-CIPHER-SAFER-SK128-PGP-CFB:CAPS"></a>GNUTLS_CIPHER_SAFER_SK128_PGP_CFB</p></td>
<td class="enum_member_description">
<p>Safer-SK in CFB mode with 128-bit keys (placeholder - unsupported).</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-CIPHER-AES128-PGP-CFB:CAPS"></a>GNUTLS_CIPHER_AES128_PGP_CFB</p></td>
<td class="enum_member_description">
<p>AES in CFB mode with 128-bit keys (placeholder - unsupported).</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-CIPHER-AES192-PGP-CFB:CAPS"></a>GNUTLS_CIPHER_AES192_PGP_CFB</p></td>
<td class="enum_member_description">
<p>AES in CFB mode with 192-bit keys (placeholder - unsupported).</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-CIPHER-AES256-PGP-CFB:CAPS"></a>GNUTLS_CIPHER_AES256_PGP_CFB</p></td>
<td class="enum_member_description">
<p>AES in CFB mode with 256-bit keys (placeholder - unsupported).</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-CIPHER-TWOFISH-PGP-CFB:CAPS"></a>GNUTLS_CIPHER_TWOFISH_PGP_CFB</p></td>
<td class="enum_member_description">
<p>Twofish in CFB mode (placeholder - unsupported).</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-close-request-t"></a><h3>enum gnutls_close_request_t</h3>
<p>Enumeration of how TLS session should be terminated.  See <a class="link" href="gnutls-gnutls.html#gnutls-bye" title="gnutls_bye ()"><code class="function">gnutls_bye()</code></a>.</p>
<div class="refsect3">
<a name="id-1.2.4.7.198.4"></a><h4>Members</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="300px" class="enum_members_name">
<col class="enum_members_description">
<col width="200px" class="enum_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-SHUT-RDWR:CAPS"></a>GNUTLS_SHUT_RDWR</p></td>
<td class="enum_member_description">
<p>Disallow further receives/sends.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-SHUT-WR:CAPS"></a>GNUTLS_SHUT_WR</p></td>
<td class="enum_member_description">
<p>Disallow further sends.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-compression-method-t"></a><h3>enum gnutls_compression_method_t</h3>
<p>Enumeration of different TLS compression methods.</p>
<div class="refsect3">
<a name="id-1.2.4.7.199.4"></a><h4>Members</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="300px" class="enum_members_name">
<col class="enum_members_description">
<col width="200px" class="enum_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-COMP-UNKNOWN:CAPS"></a>GNUTLS_COMP_UNKNOWN</p></td>
<td class="enum_member_description">
<p>Unknown compression method.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-COMP-NULL:CAPS"></a>GNUTLS_COMP_NULL</p></td>
<td class="enum_member_description">
<p>The NULL compression method (no compression).</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-COMP-DEFLATE:CAPS"></a>GNUTLS_COMP_DEFLATE</p></td>
<td class="enum_member_description">
<p>The DEFLATE compression method from zlib.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-COMP-ZLIB:CAPS"></a>GNUTLS_COMP_ZLIB</p></td>
<td class="enum_member_description">
<p>Same as <a class="link" href="gnutls-gnutls.html#GNUTLS-COMP-DEFLATE:CAPS"><code class="literal">GNUTLS_COMP_DEFLATE</code></a>.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-cred-set"></a><h3>gnutls_cred_set</h3>
<pre class="programlisting">#define gnutls_cred_set gnutls_credentials_set
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-credentials-type-t"></a><h3>enum gnutls_credentials_type_t</h3>
<p>Enumeration of different credential types.</p>
<div class="refsect3">
<a name="id-1.2.4.7.201.4"></a><h4>Members</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="300px" class="enum_members_name">
<col class="enum_members_description">
<col width="200px" class="enum_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-CRD-CERTIFICATE:CAPS"></a>GNUTLS_CRD_CERTIFICATE</p></td>
<td class="enum_member_description">
<p>Certificate credential.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-CRD-ANON:CAPS"></a>GNUTLS_CRD_ANON</p></td>
<td class="enum_member_description">
<p>Anonymous credential.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-CRD-SRP:CAPS"></a>GNUTLS_CRD_SRP</p></td>
<td class="enum_member_description">
<p>SRP credential.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-CRD-PSK:CAPS"></a>GNUTLS_CRD_PSK</p></td>
<td class="enum_member_description">
<p>PSK credential.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-CRD-IA:CAPS"></a>GNUTLS_CRD_IA</p></td>
<td class="enum_member_description">
<p>IA credential.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-dh-params-int"></a><h3>struct gnutls_dh_params_int</h3>
<pre class="programlisting">struct gnutls_dh_params_int;</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-dh-params-t"></a><h3>gnutls_dh_params_t</h3>
<pre class="programlisting">typedef struct gnutls_dh_params_int *gnutls_dh_params_t;
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-digest-algorithm-t"></a><h3>enum gnutls_digest_algorithm_t</h3>
<p>Enumeration of different digest (hash) algorithms.</p>
<div class="refsect3">
<a name="id-1.2.4.7.204.4"></a><h4>Members</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="300px" class="enum_members_name">
<col class="enum_members_description">
<col width="200px" class="enum_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-DIG-UNKNOWN:CAPS"></a>GNUTLS_DIG_UNKNOWN</p></td>
<td class="enum_member_description">
<p>Unknown hash algorithm.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-DIG-NULL:CAPS"></a>GNUTLS_DIG_NULL</p></td>
<td class="enum_member_description">
<p>NULL hash algorithm (empty output).</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-DIG-MD5:CAPS"></a>GNUTLS_DIG_MD5</p></td>
<td class="enum_member_description">
<p>MD5 algorithm.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-DIG-SHA1:CAPS"></a>GNUTLS_DIG_SHA1</p></td>
<td class="enum_member_description">
<p>SHA-1 algorithm.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-DIG-RMD160:CAPS"></a>GNUTLS_DIG_RMD160</p></td>
<td class="enum_member_description">
<p>RMD160 algorithm.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-DIG-MD2:CAPS"></a>GNUTLS_DIG_MD2</p></td>
<td class="enum_member_description">
<p>MD2 algorithm.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-DIG-SHA256:CAPS"></a>GNUTLS_DIG_SHA256</p></td>
<td class="enum_member_description">
<p>SHA-256 algorithm.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-DIG-SHA384:CAPS"></a>GNUTLS_DIG_SHA384</p></td>
<td class="enum_member_description">
<p>SHA-384 algorithm.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-DIG-SHA512:CAPS"></a>GNUTLS_DIG_SHA512</p></td>
<td class="enum_member_description">
<p>SHA-512 algorithm.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-DIG-SHA224:CAPS"></a>GNUTLS_DIG_SHA224</p></td>
<td class="enum_member_description">
<p>SHA-224 algorithm.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-ecc-curve-t"></a><h3>enum gnutls_ecc_curve_t</h3>
<p>Enumeration of ECC curves.</p>
<div class="refsect3">
<a name="id-1.2.4.7.205.4"></a><h4>Members</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="300px" class="enum_members_name">
<col class="enum_members_description">
<col width="200px" class="enum_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-ECC-CURVE-INVALID:CAPS"></a>GNUTLS_ECC_CURVE_INVALID</p></td>
<td class="enum_member_description">
<p>Cannot be known</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-ECC-CURVE-SECP224R1:CAPS"></a>GNUTLS_ECC_CURVE_SECP224R1</p></td>
<td class="enum_member_description">
<p>the SECP224R1 curve</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-ECC-CURVE-SECP256R1:CAPS"></a>GNUTLS_ECC_CURVE_SECP256R1</p></td>
<td class="enum_member_description">
<p>the SECP256R1 curve</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-ECC-CURVE-SECP384R1:CAPS"></a>GNUTLS_ECC_CURVE_SECP384R1</p></td>
<td class="enum_member_description">
<p>the SECP384R1 curve</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-ECC-CURVE-SECP521R1:CAPS"></a>GNUTLS_ECC_CURVE_SECP521R1</p></td>
<td class="enum_member_description">
<p>the SECP521R1 curve</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-ECC-CURVE-SECP192R1:CAPS"></a>GNUTLS_ECC_CURVE_SECP192R1</p></td>
<td class="enum_member_description">
<p>the SECP192R1 curve</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-handshake-description-t"></a><h3>enum gnutls_handshake_description_t</h3>
<p>Enumeration of different TLS handshake packets.</p>
<div class="refsect3">
<a name="id-1.2.4.7.206.4"></a><h4>Members</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="300px" class="enum_members_name">
<col class="enum_members_description">
<col width="200px" class="enum_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-HANDSHAKE-HELLO-REQUEST:CAPS"></a>GNUTLS_HANDSHAKE_HELLO_REQUEST</p></td>
<td class="enum_member_description">
<p>Hello request.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-HANDSHAKE-CLIENT-HELLO:CAPS"></a>GNUTLS_HANDSHAKE_CLIENT_HELLO</p></td>
<td class="enum_member_description">
<p>Client hello.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-HANDSHAKE-SERVER-HELLO:CAPS"></a>GNUTLS_HANDSHAKE_SERVER_HELLO</p></td>
<td class="enum_member_description">
<p>Server hello.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-HANDSHAKE-HELLO-VERIFY-REQUEST:CAPS"></a>GNUTLS_HANDSHAKE_HELLO_VERIFY_REQUEST</p></td>
<td class="enum_member_description">
<p>DTLS Hello verify request.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-HANDSHAKE-NEW-SESSION-TICKET:CAPS"></a>GNUTLS_HANDSHAKE_NEW_SESSION_TICKET</p></td>
<td class="enum_member_description">
<p>New session ticket.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-HANDSHAKE-CERTIFICATE-PKT:CAPS"></a>GNUTLS_HANDSHAKE_CERTIFICATE_PKT</p></td>
<td class="enum_member_description">
<p>Certificate packet.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-HANDSHAKE-SERVER-KEY-EXCHANGE:CAPS"></a>GNUTLS_HANDSHAKE_SERVER_KEY_EXCHANGE</p></td>
<td class="enum_member_description">
<p>Server key exchange.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-HANDSHAKE-CERTIFICATE-REQUEST:CAPS"></a>GNUTLS_HANDSHAKE_CERTIFICATE_REQUEST</p></td>
<td class="enum_member_description">
<p>Certificate request.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-HANDSHAKE-SERVER-HELLO-DONE:CAPS"></a>GNUTLS_HANDSHAKE_SERVER_HELLO_DONE</p></td>
<td class="enum_member_description">
<p>Server hello done.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-HANDSHAKE-CERTIFICATE-VERIFY:CAPS"></a>GNUTLS_HANDSHAKE_CERTIFICATE_VERIFY</p></td>
<td class="enum_member_description">
<p>Certificate verify.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-HANDSHAKE-CLIENT-KEY-EXCHANGE:CAPS"></a>GNUTLS_HANDSHAKE_CLIENT_KEY_EXCHANGE</p></td>
<td class="enum_member_description">
<p>Client key exchange.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-HANDSHAKE-FINISHED:CAPS"></a>GNUTLS_HANDSHAKE_FINISHED</p></td>
<td class="enum_member_description">
<p>Finished.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-HANDSHAKE-CERTIFICATE-STATUS:CAPS"></a>GNUTLS_HANDSHAKE_CERTIFICATE_STATUS</p></td>
<td class="enum_member_description">
<p>Certificate status (OCSP).</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-HANDSHAKE-SUPPLEMENTAL:CAPS"></a>GNUTLS_HANDSHAKE_SUPPLEMENTAL</p></td>
<td class="enum_member_description">
<p>Supplemental.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-HANDSHAKE-CHANGE-CIPHER-SPEC:CAPS"></a>GNUTLS_HANDSHAKE_CHANGE_CIPHER_SPEC</p></td>
<td class="enum_member_description">
<p>Change Cipher Spec.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-HANDSHAKE-CLIENT-HELLO-V2:CAPS"></a>GNUTLS_HANDSHAKE_CLIENT_HELLO_V2</p></td>
<td class="enum_member_description">
<p>SSLv2 Client Hello.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-kx-algorithm-t"></a><h3>enum gnutls_kx_algorithm_t</h3>
<p>Enumeration of different key exchange algorithms.</p>
<div class="refsect3">
<a name="id-1.2.4.7.207.4"></a><h4>Members</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="300px" class="enum_members_name">
<col class="enum_members_description">
<col width="200px" class="enum_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-KX-UNKNOWN:CAPS"></a>GNUTLS_KX_UNKNOWN</p></td>
<td class="enum_member_description">
<p>Unknown key-exchange algorithm.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-KX-RSA:CAPS"></a>GNUTLS_KX_RSA</p></td>
<td class="enum_member_description">
<p>RSA key-exchange algorithm.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-KX-DHE-DSS:CAPS"></a>GNUTLS_KX_DHE_DSS</p></td>
<td class="enum_member_description">
<p>DHE-DSS key-exchange algorithm.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-KX-DHE-RSA:CAPS"></a>GNUTLS_KX_DHE_RSA</p></td>
<td class="enum_member_description">
<p>DHE-RSA key-exchange algorithm.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-KX-ANON-DH:CAPS"></a>GNUTLS_KX_ANON_DH</p></td>
<td class="enum_member_description">
<p>Anon-DH key-exchange algorithm.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-KX-SRP:CAPS"></a>GNUTLS_KX_SRP</p></td>
<td class="enum_member_description">
<p>SRP key-exchange algorithm.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-KX-RSA-EXPORT:CAPS"></a>GNUTLS_KX_RSA_EXPORT</p></td>
<td class="enum_member_description">
<p>RSA-EXPORT key-exchange algorithm (defunc).</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-KX-SRP-RSA:CAPS"></a>GNUTLS_KX_SRP_RSA</p></td>
<td class="enum_member_description">
<p>SRP-RSA key-exchange algorithm.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-KX-SRP-DSS:CAPS"></a>GNUTLS_KX_SRP_DSS</p></td>
<td class="enum_member_description">
<p>SRP-DSS key-exchange algorithm.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-KX-PSK:CAPS"></a>GNUTLS_KX_PSK</p></td>
<td class="enum_member_description">
<p>PSK key-exchange algorithm.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-KX-DHE-PSK:CAPS"></a>GNUTLS_KX_DHE_PSK</p></td>
<td class="enum_member_description">
<p>DHE-PSK key-exchange algorithm.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-KX-ANON-ECDH:CAPS"></a>GNUTLS_KX_ANON_ECDH</p></td>
<td class="enum_member_description">
<p>Anon-ECDH key-exchange algorithm.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-KX-ECDHE-RSA:CAPS"></a>GNUTLS_KX_ECDHE_RSA</p></td>
<td class="enum_member_description">
<p>ECDHE-RSA key-exchange algorithm.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-KX-ECDHE-ECDSA:CAPS"></a>GNUTLS_KX_ECDHE_ECDSA</p></td>
<td class="enum_member_description">
<p>ECDHE-ECDSA key-exchange algorithm.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-KX-ECDHE-PSK:CAPS"></a>GNUTLS_KX_ECDHE_PSK</p></td>
<td class="enum_member_description">
<p>ECDHE-PSK key-exchange algorithm.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-KX-RSA-PSK:CAPS"></a>GNUTLS_KX_RSA_PSK</p></td>
<td class="enum_member_description">
<p>RSA-PSK key-exchange algorithm.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-mac-algorithm-t"></a><h3>enum gnutls_mac_algorithm_t</h3>
<p>Enumeration of different Message Authentication Code (MAC)
algorithms.</p>
<div class="refsect3">
<a name="id-1.2.4.7.208.4"></a><h4>Members</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="300px" class="enum_members_name">
<col class="enum_members_description">
<col width="200px" class="enum_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-MAC-UNKNOWN:CAPS"></a>GNUTLS_MAC_UNKNOWN</p></td>
<td class="enum_member_description">
<p>Unknown MAC algorithm.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-MAC-NULL:CAPS"></a>GNUTLS_MAC_NULL</p></td>
<td class="enum_member_description">
<p>NULL MAC algorithm (empty output).</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-MAC-MD5:CAPS"></a>GNUTLS_MAC_MD5</p></td>
<td class="enum_member_description">
<p>HMAC-MD5 algorithm.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-MAC-SHA1:CAPS"></a>GNUTLS_MAC_SHA1</p></td>
<td class="enum_member_description">
<p>HMAC-SHA-1 algorithm.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-MAC-RMD160:CAPS"></a>GNUTLS_MAC_RMD160</p></td>
<td class="enum_member_description">
<p>HMAC-RMD160 algorithm.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-MAC-MD2:CAPS"></a>GNUTLS_MAC_MD2</p></td>
<td class="enum_member_description">
<p>HMAC-MD2 algorithm.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-MAC-SHA256:CAPS"></a>GNUTLS_MAC_SHA256</p></td>
<td class="enum_member_description">
<p>HMAC-SHA-256 algorithm.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-MAC-SHA384:CAPS"></a>GNUTLS_MAC_SHA384</p></td>
<td class="enum_member_description">
<p>HMAC-SHA-384 algorithm.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-MAC-SHA512:CAPS"></a>GNUTLS_MAC_SHA512</p></td>
<td class="enum_member_description">
<p>HMAC-SHA-512 algorithm.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-MAC-SHA224:CAPS"></a>GNUTLS_MAC_SHA224</p></td>
<td class="enum_member_description">
<p>HMAC-SHA-224 algorithm.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-MAC-AEAD:CAPS"></a>GNUTLS_MAC_AEAD</p></td>
<td class="enum_member_description">
<p>MAC implicit through AEAD cipher.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-MAC-UMAC-96:CAPS"></a>GNUTLS_MAC_UMAC_96</p></td>
<td class="enum_member_description">
<p>The UMAC-96 MAC algorithm.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-MAC-UMAC-128:CAPS"></a>GNUTLS_MAC_UMAC_128</p></td>
<td class="enum_member_description">
<p>The UMAC-128 MAC algorithm.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-openpgp-crt-int"></a><h3>gnutls_openpgp_crt_int</h3>
<pre class="programlisting">typedef struct {
	cdk_kbnode_t knode;
	uint8_t preferred_keyid[GNUTLS_OPENPGP_KEYID_SIZE];
	int preferred_set;
} gnutls_openpgp_crt_int;
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-openpgp-crt-status-t"></a><h3>enum gnutls_openpgp_crt_status_t</h3>
<p>Enumeration of ways to send OpenPGP certificate.</p>
<div class="refsect3">
<a name="id-1.2.4.7.210.4"></a><h4>Members</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="300px" class="enum_members_name">
<col class="enum_members_description">
<col width="200px" class="enum_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-OPENPGP-CERT:CAPS"></a>GNUTLS_OPENPGP_CERT</p></td>
<td class="enum_member_description">
<p>Send entire certificate.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-OPENPGP-CERT-FINGERPRINT:CAPS"></a>GNUTLS_OPENPGP_CERT_FINGERPRINT</p></td>
<td class="enum_member_description">
<p>Send only certificate fingerprint.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-openpgp-crt-t"></a><h3>gnutls_openpgp_crt_t</h3>
<pre class="programlisting">typedef struct gnutls_openpgp_crt_int *gnutls_openpgp_crt_t;
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-openpgp-keyring-int"></a><h3>gnutls_openpgp_keyring_int</h3>
<pre class="programlisting">typedef struct {
	cdk_keydb_hd_t db;
} gnutls_openpgp_keyring_int;
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-openpgp-keyring-t"></a><h3>gnutls_openpgp_keyring_t</h3>
<pre class="programlisting">typedef struct gnutls_openpgp_keyring_int *gnutls_openpgp_keyring_t;
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-openpgp-privkey-int"></a><h3>gnutls_openpgp_privkey_int</h3>
<pre class="programlisting">typedef struct {
	cdk_kbnode_t knode;
	uint8_t preferred_keyid[GNUTLS_OPENPGP_KEYID_SIZE];
	int preferred_set;
} gnutls_openpgp_privkey_int;
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-openpgp-privkey-t"></a><h3>gnutls_openpgp_privkey_t</h3>
<pre class="programlisting">typedef struct gnutls_openpgp_privkey_int *gnutls_openpgp_privkey_t;
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-params-type-t"></a><h3>enum gnutls_params_type_t</h3>
<p>Enumeration of different TLS session parameter types.</p>
<div class="refsect3">
<a name="id-1.2.4.7.216.4"></a><h4>Members</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="300px" class="enum_members_name">
<col class="enum_members_description">
<col width="200px" class="enum_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-PARAMS-RSA-EXPORT:CAPS"></a>GNUTLS_PARAMS_RSA_EXPORT</p></td>
<td class="enum_member_description">
<p>Session RSA-EXPORT parameters (defunc).</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-PARAMS-DH:CAPS"></a>GNUTLS_PARAMS_DH</p></td>
<td class="enum_member_description">
<p>Session Diffie-Hellman parameters.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-PARAMS-ECDH:CAPS"></a>GNUTLS_PARAMS_ECDH</p></td>
<td class="enum_member_description">
<p>Session Elliptic-Curve Diffie-Hellman parameters.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-pem-base64-decode-alloc"></a><h3>gnutls_pem_base64_decode_alloc</h3>
<pre class="programlisting">#define gnutls_pem_base64_decode_alloc gnutls_pem_base64_decode2
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-pem-base64-encode-alloc"></a><h3>gnutls_pem_base64_encode_alloc</h3>
<pre class="programlisting">#define gnutls_pem_base64_encode_alloc gnutls_pem_base64_encode2
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-pin-flag-t"></a><h3>enum gnutls_pin_flag_t</h3>
<p>Enumeration of different flags that are input to the PIN function.</p>
<div class="refsect3">
<a name="id-1.2.4.7.219.4"></a><h4>Members</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="300px" class="enum_members_name">
<col class="enum_members_description">
<col width="200px" class="enum_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-PIN-USER:CAPS"></a>GNUTLS_PIN_USER</p></td>
<td class="enum_member_description">
<p>The PIN for the user.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-PIN-SO:CAPS"></a>GNUTLS_PIN_SO</p></td>
<td class="enum_member_description">
<p>The PIN for the security officer (admin).</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-PIN-FINAL-TRY:CAPS"></a>GNUTLS_PIN_FINAL_TRY</p></td>
<td class="enum_member_description">
<p>This is the final try before blocking.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-PIN-COUNT-LOW:CAPS"></a>GNUTLS_PIN_COUNT_LOW</p></td>
<td class="enum_member_description">
<p>Few tries remain before token blocks.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-PIN-CONTEXT-SPECIFIC:CAPS"></a>GNUTLS_PIN_CONTEXT_SPECIFIC</p></td>
<td class="enum_member_description">
<p>The PIN is for a specific action and key like signing.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-PIN-WRONG:CAPS"></a>GNUTLS_PIN_WRONG</p></td>
<td class="enum_member_description">
<p>Last given PIN was not correct.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-pk-algorithm-t"></a><h3>enum gnutls_pk_algorithm_t</h3>
<p>Enumeration of different public-key algorithms.</p>
<div class="refsect3">
<a name="id-1.2.4.7.220.4"></a><h4>Members</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="300px" class="enum_members_name">
<col class="enum_members_description">
<col width="200px" class="enum_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-PK-UNKNOWN:CAPS"></a>GNUTLS_PK_UNKNOWN</p></td>
<td class="enum_member_description">
<p>Unknown public-key algorithm.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-PK-RSA:CAPS"></a>GNUTLS_PK_RSA</p></td>
<td class="enum_member_description">
<p>RSA public-key algorithm.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-PK-DSA:CAPS"></a>GNUTLS_PK_DSA</p></td>
<td class="enum_member_description">
<p>DSA public-key algorithm.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-PK-DH:CAPS"></a>GNUTLS_PK_DH</p></td>
<td class="enum_member_description">
<p>Diffie-Hellman algorithm. Used to generate parameters.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-PK-EC:CAPS"></a>GNUTLS_PK_EC</p></td>
<td class="enum_member_description">
<p>Elliptic curve algorithm. Used to generate parameters.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-pkcs11-privkey-st"></a><h3>struct gnutls_pkcs11_privkey_st</h3>
<pre class="programlisting">struct gnutls_pkcs11_privkey_st;</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-pkcs11-privkey-t"></a><h3>gnutls_pkcs11_privkey_t</h3>
<pre class="programlisting">typedef struct gnutls_pkcs11_privkey_st *gnutls_pkcs11_privkey_t;
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-priority-st"></a><h3>struct gnutls_priority_st</h3>
<pre class="programlisting">struct gnutls_priority_st {
	priority_st cipher;
	priority_st mac;
	priority_st kx;
	priority_st compression;
	priority_st protocol;
	priority_st cert_type;
	priority_st sign_algo;
	priority_st supported_ecc;

	/* to disable record padding */
	bool no_extensions;
	bool no_ext_master_secret;
	bool allow_large_records;
	unsigned int dumbfw;
	safe_renegotiation_t sr;
	bool min_record_version;
	bool server_precedence;
	bool allow_wrong_pms;
	bool no_tickets;
	bool no_etm;
	bool have_cbc;
	/* Whether stateless compression will be used */
	bool stateless_compression;
	unsigned int additional_verify_flags;

	/* The session's expected security level.
	 * Will be used to determine the minimum DH bits,
	 * (or the acceptable certificate security level).
	 */
	gnutls_sec_param_t level;
	unsigned int dh_prime_bits; /* old (deprecated) variable */

	/* TLS_FALLBACK_SCSV */
	bool fallback;
};
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-priority-t"></a><h3>gnutls_priority_t</h3>
<pre class="programlisting">typedef struct gnutls_priority_st *gnutls_priority_t;
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-privkey-type-t"></a><h3>enum gnutls_privkey_type_t</h3>
<p>Enumeration of different private key types.</p>
<div class="refsect3">
<a name="id-1.2.4.7.225.4"></a><h4>Members</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="300px" class="enum_members_name">
<col class="enum_members_description">
<col width="200px" class="enum_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-PRIVKEY-X509:CAPS"></a>GNUTLS_PRIVKEY_X509</p></td>
<td class="enum_member_description">
<p>X.509 private key, <a class="link" href="gnutls-gnutls.html#gnutls-x509-privkey-t" title="gnutls_x509_privkey_t"><span class="type">gnutls_x509_privkey_t</span></a>.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-PRIVKEY-OPENPGP:CAPS"></a>GNUTLS_PRIVKEY_OPENPGP</p></td>
<td class="enum_member_description">
<p>OpenPGP private key, <a class="link" href="gnutls-gnutls.html#gnutls-openpgp-privkey-t" title="gnutls_openpgp_privkey_t"><span class="type">gnutls_openpgp_privkey_t</span></a>.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-PRIVKEY-PKCS11:CAPS"></a>GNUTLS_PRIVKEY_PKCS11</p></td>
<td class="enum_member_description">
<p>PKCS11 private key, <a class="link" href="gnutls-gnutls.html#gnutls-pkcs11-privkey-t" title="gnutls_pkcs11_privkey_t"><span class="type">gnutls_pkcs11_privkey_t</span></a>.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-PRIVKEY-EXT:CAPS"></a>GNUTLS_PRIVKEY_EXT</p></td>
<td class="enum_member_description">
<p>External private key, operating using callbacks.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-protocol-t"></a><h3>enum gnutls_protocol_t</h3>
<p>Enumeration of different SSL/TLS protocol versions.</p>
<div class="refsect3">
<a name="id-1.2.4.7.226.4"></a><h4>Members</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="300px" class="enum_members_name">
<col class="enum_members_description">
<col width="200px" class="enum_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-SSL3:CAPS"></a>GNUTLS_SSL3</p></td>
<td class="enum_member_description">
<p>SSL version 3.0.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-TLS1-0:CAPS"></a>GNUTLS_TLS1_0</p></td>
<td class="enum_member_description">
<p>TLS version 1.0.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-TLS1:CAPS"></a>GNUTLS_TLS1</p></td>
<td class="enum_member_description">
<p>Same as <a class="link" href="gnutls-gnutls.html#GNUTLS-TLS1-0:CAPS"><code class="literal">GNUTLS_TLS1_0</code></a>.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-TLS1-1:CAPS"></a>GNUTLS_TLS1_1</p></td>
<td class="enum_member_description">
<p>TLS version 1.1.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-TLS1-2:CAPS"></a>GNUTLS_TLS1_2</p></td>
<td class="enum_member_description">
<p>TLS version 1.2.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-DTLS0-9:CAPS"></a>GNUTLS_DTLS0_9</p></td>
<td class="enum_member_description">
<p>DTLS version 0.9 (Cisco AnyConnect / OpenSSL 0.9.8e).</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-DTLS1-0:CAPS"></a>GNUTLS_DTLS1_0</p></td>
<td class="enum_member_description">
<p>DTLS version 1.0.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-DTLS1-2:CAPS"></a>GNUTLS_DTLS1_2</p></td>
<td class="enum_member_description">
<p>DTLS version 1.2.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-DTLS-VERSION-MIN:CAPS"></a>GNUTLS_DTLS_VERSION_MIN</p></td>
<td class="enum_member_description"> </td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-DTLS-VERSION-MAX:CAPS"></a>GNUTLS_DTLS_VERSION_MAX</p></td>
<td class="enum_member_description"> </td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-TLS-VERSION-MAX:CAPS"></a>GNUTLS_TLS_VERSION_MAX</p></td>
<td class="enum_member_description"> </td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-VERSION-UNKNOWN:CAPS"></a>GNUTLS_VERSION_UNKNOWN</p></td>
<td class="enum_member_description">
<p>Unknown SSL/TLS version.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-psk-key-flags"></a><h3>enum gnutls_psk_key_flags</h3>
<p>Enumeration of different PSK key flags.</p>
<div class="refsect3">
<a name="id-1.2.4.7.227.4"></a><h4>Members</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="300px" class="enum_members_name">
<col class="enum_members_description">
<col width="200px" class="enum_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-PSK-KEY-RAW:CAPS"></a>GNUTLS_PSK_KEY_RAW</p></td>
<td class="enum_member_description">
<p>PSK-key in raw format.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-PSK-KEY-HEX:CAPS"></a>GNUTLS_PSK_KEY_HEX</p></td>
<td class="enum_member_description">
<p>PSK-key in hex format.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-random-art-t"></a><h3>enum gnutls_random_art_t</h3>
<p>Enumeration of different random art types.</p>
<div class="refsect3">
<a name="id-1.2.4.7.228.4"></a><h4>Members</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="300px" class="enum_members_name">
<col class="enum_members_description">
<col width="200px" class="enum_members_annotations">
</colgroup>
<tbody><tr>
<td class="enum_member_name"><p><a name="GNUTLS-RANDOM-ART-OPENSSH:CAPS"></a>GNUTLS_RANDOM_ART_OPENSSH</p></td>
<td class="enum_member_description">
<p>OpenSSH-style random art.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-read"></a><h3>gnutls_read</h3>
<pre class="programlisting">#define gnutls_read gnutls_record_recv
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-rsa-params-t"></a><h3>gnutls_rsa_params_t</h3>
<pre class="programlisting">typedef struct gnutls_x509_privkey_int *gnutls_rsa_params_t;
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-sec-param-t"></a><h3>enum gnutls_sec_param_t</h3>
<p>Enumeration of security parameters for passive attacks.</p>
<div class="refsect3">
<a name="id-1.2.4.7.231.4"></a><h4>Members</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="300px" class="enum_members_name">
<col class="enum_members_description">
<col width="200px" class="enum_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-SEC-PARAM-UNKNOWN:CAPS"></a>GNUTLS_SEC_PARAM_UNKNOWN</p></td>
<td class="enum_member_description">
<p>Cannot be known</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-SEC-PARAM-INSECURE:CAPS"></a>GNUTLS_SEC_PARAM_INSECURE</p></td>
<td class="enum_member_description">
<p>Less than 42 bits of security</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-SEC-PARAM-EXPORT:CAPS"></a>GNUTLS_SEC_PARAM_EXPORT</p></td>
<td class="enum_member_description">
<p>42 bits of security</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-SEC-PARAM-VERY-WEAK:CAPS"></a>GNUTLS_SEC_PARAM_VERY_WEAK</p></td>
<td class="enum_member_description">
<p>64 bits of security</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-SEC-PARAM-WEAK:CAPS"></a>GNUTLS_SEC_PARAM_WEAK</p></td>
<td class="enum_member_description">
<p>72 bits of security</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-SEC-PARAM-LOW:CAPS"></a>GNUTLS_SEC_PARAM_LOW</p></td>
<td class="enum_member_description">
<p>80 bits of security</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-SEC-PARAM-LEGACY:CAPS"></a>GNUTLS_SEC_PARAM_LEGACY</p></td>
<td class="enum_member_description">
<p>96 bits of security</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-SEC-PARAM-MEDIUM:CAPS"></a>GNUTLS_SEC_PARAM_MEDIUM</p></td>
<td class="enum_member_description">
<p>112 bits of security (used to be <code class="literal">GNUTLS_SEC_PARAM_NORMAL</code>)</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-SEC-PARAM-HIGH:CAPS"></a>GNUTLS_SEC_PARAM_HIGH</p></td>
<td class="enum_member_description">
<p>128 bits of security</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-SEC-PARAM-ULTRA:CAPS"></a>GNUTLS_SEC_PARAM_ULTRA</p></td>
<td class="enum_member_description">
<p>192 bits of security</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-SEC-PARAM-FUTURE:CAPS"></a>GNUTLS_SEC_PARAM_FUTURE</p></td>
<td class="enum_member_description">
<p>256 bits of security</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-server-name-type-t"></a><h3>enum gnutls_server_name_type_t</h3>
<p>Enumeration of different server name types.</p>
<div class="refsect3">
<a name="id-1.2.4.7.232.4"></a><h4>Members</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="300px" class="enum_members_name">
<col class="enum_members_description">
<col width="200px" class="enum_members_annotations">
</colgroup>
<tbody><tr>
<td class="enum_member_name"><p><a name="GNUTLS-NAME-DNS:CAPS"></a>GNUTLS_NAME_DNS</p></td>
<td class="enum_member_description">
<p>Domain Name System name type.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-session-int"></a><h3>struct gnutls_session_int</h3>
<pre class="programlisting">struct gnutls_session_int {
	security_parameters_st security_parameters;
	record_parameters_st *record_parameters[MAX_EPOCH_INDEX];
	internals_st internals;
	gnutls_key_st key;
};
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-session-t"></a><h3>gnutls_session_t</h3>
<pre class="programlisting">typedef struct gnutls_session_int *gnutls_session_t;
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-sign-algorithm-get-name"></a><h3>gnutls_sign_algorithm_get_name</h3>
<pre class="programlisting">#define gnutls_sign_algorithm_get_name gnutls_sign_get_name
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-sign-algorithm-t"></a><h3>enum gnutls_sign_algorithm_t</h3>
<p>Enumeration of different digital signature algorithms.</p>
<div class="refsect3">
<a name="id-1.2.4.7.236.4"></a><h4>Members</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="300px" class="enum_members_name">
<col class="enum_members_description">
<col width="200px" class="enum_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-SIGN-UNKNOWN:CAPS"></a>GNUTLS_SIGN_UNKNOWN</p></td>
<td class="enum_member_description">
<p>Unknown signature algorithm.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-SIGN-RSA-SHA1:CAPS"></a>GNUTLS_SIGN_RSA_SHA1</p></td>
<td class="enum_member_description">
<p>Digital signature algorithm RSA with SHA-1</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-SIGN-RSA-SHA:CAPS"></a>GNUTLS_SIGN_RSA_SHA</p></td>
<td class="enum_member_description">
<p>Same as <a class="link" href="gnutls-gnutls.html#GNUTLS-SIGN-RSA-SHA1:CAPS"><code class="literal">GNUTLS_SIGN_RSA_SHA1</code></a>.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-SIGN-DSA-SHA1:CAPS"></a>GNUTLS_SIGN_DSA_SHA1</p></td>
<td class="enum_member_description">
<p>Digital signature algorithm DSA with SHA-1</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-SIGN-DSA-SHA:CAPS"></a>GNUTLS_SIGN_DSA_SHA</p></td>
<td class="enum_member_description">
<p>Same as <a class="link" href="gnutls-gnutls.html#GNUTLS-SIGN-DSA-SHA1:CAPS"><code class="literal">GNUTLS_SIGN_DSA_SHA1</code></a>.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-SIGN-RSA-MD5:CAPS"></a>GNUTLS_SIGN_RSA_MD5</p></td>
<td class="enum_member_description">
<p>Digital signature algorithm RSA with MD5.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-SIGN-RSA-MD2:CAPS"></a>GNUTLS_SIGN_RSA_MD2</p></td>
<td class="enum_member_description">
<p>Digital signature algorithm RSA with MD2.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-SIGN-RSA-RMD160:CAPS"></a>GNUTLS_SIGN_RSA_RMD160</p></td>
<td class="enum_member_description">
<p>Digital signature algorithm RSA with RMD-160.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-SIGN-RSA-SHA256:CAPS"></a>GNUTLS_SIGN_RSA_SHA256</p></td>
<td class="enum_member_description">
<p>Digital signature algorithm RSA with SHA-256.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-SIGN-RSA-SHA384:CAPS"></a>GNUTLS_SIGN_RSA_SHA384</p></td>
<td class="enum_member_description">
<p>Digital signature algorithm RSA with SHA-384.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-SIGN-RSA-SHA512:CAPS"></a>GNUTLS_SIGN_RSA_SHA512</p></td>
<td class="enum_member_description">
<p>Digital signature algorithm RSA with SHA-512.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-SIGN-RSA-SHA224:CAPS"></a>GNUTLS_SIGN_RSA_SHA224</p></td>
<td class="enum_member_description">
<p>Digital signature algorithm RSA with SHA-224.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-SIGN-DSA-SHA224:CAPS"></a>GNUTLS_SIGN_DSA_SHA224</p></td>
<td class="enum_member_description">
<p>Digital signature algorithm DSA with SHA-224</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-SIGN-DSA-SHA256:CAPS"></a>GNUTLS_SIGN_DSA_SHA256</p></td>
<td class="enum_member_description">
<p>Digital signature algorithm DSA with SHA-256</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-SIGN-ECDSA-SHA1:CAPS"></a>GNUTLS_SIGN_ECDSA_SHA1</p></td>
<td class="enum_member_description">
<p>ECDSA with SHA1.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-SIGN-ECDSA-SHA224:CAPS"></a>GNUTLS_SIGN_ECDSA_SHA224</p></td>
<td class="enum_member_description">
<p>Digital signature algorithm ECDSA with SHA-224.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-SIGN-ECDSA-SHA256:CAPS"></a>GNUTLS_SIGN_ECDSA_SHA256</p></td>
<td class="enum_member_description">
<p>Digital signature algorithm ECDSA with SHA-256.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-SIGN-ECDSA-SHA384:CAPS"></a>GNUTLS_SIGN_ECDSA_SHA384</p></td>
<td class="enum_member_description">
<p>Digital signature algorithm ECDSA with SHA-384.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-SIGN-ECDSA-SHA512:CAPS"></a>GNUTLS_SIGN_ECDSA_SHA512</p></td>
<td class="enum_member_description">
<p>Digital signature algorithm ECDSA with SHA-512.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-SIGN-DSA-SHA384:CAPS"></a>GNUTLS_SIGN_DSA_SHA384</p></td>
<td class="enum_member_description">
<p>Digital signature algorithm DSA with SHA-384</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-SIGN-DSA-SHA512:CAPS"></a>GNUTLS_SIGN_DSA_SHA512</p></td>
<td class="enum_member_description">
<p>Digital signature algorithm DSA with SHA-512</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-srp-base64-decode-alloc"></a><h3>gnutls_srp_base64_decode_alloc</h3>
<pre class="programlisting">#define gnutls_srp_base64_decode_alloc gnutls_srp_base64_decode2
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-srp-base64-encode-alloc"></a><h3>gnutls_srp_base64_encode_alloc</h3>
<pre class="programlisting">#define gnutls_srp_base64_encode_alloc gnutls_srp_base64_encode2
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-srtp-profile-t"></a><h3>enum gnutls_srtp_profile_t</h3>
<p>Enumeration of different SRTP protection profiles.</p>
<div class="refsect3">
<a name="id-1.2.4.7.239.4"></a><h4>Members</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="300px" class="enum_members_name">
<col class="enum_members_description">
<col width="200px" class="enum_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-SRTP-AES128-CM-HMAC-SHA1-80:CAPS"></a>GNUTLS_SRTP_AES128_CM_HMAC_SHA1_80</p></td>
<td class="enum_member_description">
<p>128 bit AES with a 80 bit HMAC-SHA1</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-SRTP-AES128-CM-HMAC-SHA1-32:CAPS"></a>GNUTLS_SRTP_AES128_CM_HMAC_SHA1_32</p></td>
<td class="enum_member_description">
<p>128 bit AES with a 32 bit HMAC-SHA1</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-SRTP-NULL-HMAC-SHA1-80:CAPS"></a>GNUTLS_SRTP_NULL_HMAC_SHA1_80</p></td>
<td class="enum_member_description">
<p>NULL cipher with a 80 bit HMAC-SHA1</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-SRTP-NULL-HMAC-SHA1-32:CAPS"></a>GNUTLS_SRTP_NULL_HMAC_SHA1_32</p></td>
<td class="enum_member_description">
<p>NULL cipher with a 32 bit HMAC-SHA1</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-supplemental-data-format-type-t"></a><h3>enum gnutls_supplemental_data_format_type_t</h3>
<p>Enumeration of different supplemental data types (RFC 4680).</p>
<div class="refsect3">
<a name="id-1.2.4.7.240.4"></a><h4>Members</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="300px" class="enum_members_name">
<col class="enum_members_description">
<col width="200px" class="enum_members_annotations">
</colgroup>
<tbody><tr>
<td class="enum_member_name"><p><a name="GNUTLS-SUPPLEMENTAL-UNKNOWN:CAPS"></a>GNUTLS_SUPPLEMENTAL_UNKNOWN</p></td>
<td class="enum_member_description">
<p>Unknown data format</p>
</td>
<td class="enum_member_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-tdb-int"></a><h3>struct gnutls_tdb_int</h3>
<pre class="programlisting">struct gnutls_tdb_int;</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-tdb-t"></a><h3>gnutls_tdb_t</h3>
<pre class="programlisting">typedef struct gnutls_tdb_int *gnutls_tdb_t;
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-transport-ptr-t"></a><h3>gnutls_transport_ptr_t</h3>
<pre class="programlisting">typedef void *gnutls_transport_ptr_t;
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-write"></a><h3>gnutls_write</h3>
<pre class="programlisting">#define gnutls_write gnutls_record_send
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-x509-crl-int"></a><h3>gnutls_x509_crl_int</h3>
<pre class="programlisting">typedef struct {
	ASN1_TYPE crl;

	unsigned expanded;
	/* This is used to optimize reads by gnutls_x509_crl_get_crt_serial2() */
	ASN1_TYPE rcache;
	unsigned rcache_idx;
	int use_extensions;

	gnutls_datum_t der;
	gnutls_datum_t raw_issuer_dn;
} gnutls_x509_crl_int;
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-x509-crl-t"></a><h3>gnutls_x509_crl_t</h3>
<pre class="programlisting">typedef struct gnutls_x509_crl_int *gnutls_x509_crl_t;
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-x509-crq-int"></a><h3>gnutls_x509_crq_int</h3>
<pre class="programlisting">typedef struct {
	ASN1_TYPE crq;
} gnutls_x509_crq_int;
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-x509-crq-t"></a><h3>gnutls_x509_crq_t</h3>
<pre class="programlisting">typedef struct gnutls_x509_crq_int *gnutls_x509_crq_t;
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-x509-crt-fmt-t"></a><h3>enum gnutls_x509_crt_fmt_t</h3>
<p>Enumeration of different certificate encoding formats.</p>
<div class="refsect3">
<a name="id-1.2.4.7.249.4"></a><h4>Members</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="300px" class="enum_members_name">
<col class="enum_members_description">
<col width="200px" class="enum_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-X509-FMT-DER:CAPS"></a>GNUTLS_X509_FMT_DER</p></td>
<td class="enum_member_description">
<p>X.509 certificate in DER format (binary).</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-X509-FMT-PEM:CAPS"></a>GNUTLS_X509_FMT_PEM</p></td>
<td class="enum_member_description">
<p>X.509 certificate in PEM format (text).</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-x509-crt-int"></a><h3>gnutls_x509_crt_int</h3>
<pre class="programlisting">typedef struct {
	ASN1_TYPE cert;
	int use_extensions;
	int expanded;		/* a certificate has been expanded */

	/* These two cached values allow fast calls to
	 * get_raw_*_dn(). */
	gnutls_datum_t raw_dn;
	gnutls_datum_t raw_issuer_dn;
	gnutls_datum_t raw_spki;

	gnutls_datum_t der;
	struct pin_info_st pin;

	/* backwards compatibility for gnutls_x509_crt_get_subject()
	 * and gnutls_x509_crt_get_issuer() */
	gnutls_x509_dn_st dn;
	gnutls_x509_dn_st idn;
} gnutls_x509_crt_int;
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-x509-crt-t"></a><h3>gnutls_x509_crt_t</h3>
<pre class="programlisting">typedef struct gnutls_x509_crt_int *gnutls_x509_crt_t;
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-x509-privkey-int"></a><h3>gnutls_x509_privkey_int</h3>
<pre class="programlisting">typedef struct {
	/* the size of params depends on the public
	 * key algorithm
	 */
	gnutls_pk_params_st params;

	gnutls_pk_algorithm_t pk_algorithm;
	unsigned expanded;

	ASN1_TYPE key;
	struct pin_info_st pin;
} gnutls_x509_privkey_int;
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-x509-privkey-t"></a><h3>gnutls_x509_privkey_t</h3>
<pre class="programlisting">typedef struct gnutls_x509_privkey_int *gnutls_x509_privkey_t;
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gnutls-x509-subject-alt-name-t"></a><h3>enum gnutls_x509_subject_alt_name_t</h3>
<p>Enumeration of different subject alternative names types.</p>
<div class="refsect3">
<a name="id-1.2.4.7.254.4"></a><h4>Members</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="300px" class="enum_members_name">
<col class="enum_members_description">
<col width="200px" class="enum_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-SAN-DNSNAME:CAPS"></a>GNUTLS_SAN_DNSNAME</p></td>
<td class="enum_member_description">
<p>DNS-name SAN.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-SAN-RFC822NAME:CAPS"></a>GNUTLS_SAN_RFC822NAME</p></td>
<td class="enum_member_description">
<p>E-mail address SAN.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-SAN-URI:CAPS"></a>GNUTLS_SAN_URI</p></td>
<td class="enum_member_description">
<p>URI SAN.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-SAN-IPADDRESS:CAPS"></a>GNUTLS_SAN_IPADDRESS</p></td>
<td class="enum_member_description">
<p>IP address SAN.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-SAN-OTHERNAME:CAPS"></a>GNUTLS_SAN_OTHERNAME</p></td>
<td class="enum_member_description">
<p>OtherName SAN.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-SAN-DN:CAPS"></a>GNUTLS_SAN_DN</p></td>
<td class="enum_member_description">
<p>DN SAN.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GNUTLS-SAN-OTHERNAME-XMPP:CAPS"></a>GNUTLS_SAN_OTHERNAME_XMPP</p></td>
<td class="enum_member_description">
<p>Virtual SAN, used by
  gnutls_x509_crt_get_subject_alt_othername_oid.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
</div>
</div>
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