GNU TLS NEWS -- History of user-visible changes. -*- outline -*- Copyright (C) 2004, 2005 Simon Josefsson Copyright (C) 2000, 2001, 2002, 2003, 2004 Nikos Mavroyanopoulos See the end for copying conditions. * Version 1.2.7 (2005-09-09) - The GNUTLS and GNUTLS-EXTRA libraries are now built with versioned symbols. - Certtool now complains when reading out-of-range X.509 serial numbers, suggested by Fran . - Certtool now uses the readline library (when available) when reading X.509 serial numbers. - Fixed build problems in getpass on uClibc and Mingw32 platforms. - Fixed compile warning regarding socklen_t on Mingw32, reported by Martin Lambers . - Fixed examples in doc/examples/, suggested by Fran . - Gnulib is now used for the core library, enabling future code cleanups. - The gnutls-cli tool now use gnutls_certificate_verify_peers2, suggested by Daniel Stenberg . - Doc fixes for gnutls_transport_set_push and gnutls_transport_set_pull. - Minilibtasn1 is now 0.2.17 (removed optional use of C99 macros). - Disable zlib support if zlib.h is not present. - A number of internal cleanups. - API and ABI modifications: No changes since last version. * Version 1.2.6 (2005-07-16) - MiniLZO updated to version 2.01 and moved to separate directory. - Collision between system LZO header files and MiniLZO header file fixed, reported by Matthias Urlichs . - Will now test for liblzo functionality in liblzo2 too, reported by Thomas Klausner . - Minilibtasn1 is now 0.2.14 (no code changes). - Some code changes to avoid GTK-DOC warnings. - API and ABI modifications: No changes since last version. * Version 1.2.5 (2005-07-03) - More builddir != srcdir fixes, reported by Mike Castle . - Fixed off-by-one bug in the size parameter of gnutls_x509_crt_get*_dn, reported by Adam Langley . - Corrected some stuff in minilzo detection. Pointed out by Sergey Lipnevich. - MiniLZO updated to version 2.00. - gnutls_x509_crt_list_import now accept a DER formatted CRL. - API and ABI modifications: No changes since last version. * Version 1.2.4 (2005-05-28) - Corrected some bugs that could affect 64 bit systems. - Some corrections in the header files to include the prototype of memmem properly (affected 64 bit systems). Report and patch by Yoann Vandoorselaere . - Introduced the --fix-key option to certtool, which can be used to regenerate the (optional) parameters in a private key. It should be used together with --key-info. - Corrected a bug in certificate chain verification that could lead to marking a trusted chain as non trusted, if the last certificate in the chain was a self signed one. - Gnulib portability files were updated. - License were updated to reflect new FSF address. - API and ABI modifications: No changes since last version. * Version 1.2.3 (2005-04-28) - Corrected bug in record packet parsing that could lead to a denial of service attack. - Corrected bug in RSA key export. Previously exported keys can be fixed using certtool. Use certtool -k outfile - API and ABI modifications: gnutls_x509_privkey_fix(): Add. * Version 1.2.2 (2005-04-25) - gnutls_error_to_alert() now considers GNUTLS_E_UNEXPECTED_HANDSHAKE_PACKET. - Fixed error in session resuming that could cause a crash in a session. - Fixed pkcs12 friendly name and local key identifier decoding. - Internal cleanups, removed duplicate typedef/struct definitions, and made source code include external include file, to check function prototypes during compile time. - API and ABI modifications: No changes since last version. At least not intentional, but due to the include header changes, there may be inadvertant changes, please let us know if you find any. * Version 1.2.1 (2005-04-04) - gnutls_bye() will no longer fail when RDWR is used and application data are available for reading. - Added more strict checks for the SRP parameters (g,n), when they are not in the included list. - Added warning to certtool when MD5 is being used for digital signatures. - Optimizations ("-O2 -finline-functions") are not enabled by default, instead the standard autoconf defaults are used. Use `./configure CFLAGS="-O2 -finline-functions"' to get the old optimizations. - Added the option --get-dh-params to certtool, in order to get the parameters included in the library primes and generators. - Improved the semantics of GNUTLS_VERIFY_ALLOW_X509_V1_CA_CRT, to allow only trusted Version 1 CAs and introduced GNUTLS_VERIFY_ALLOW_ANY_X509_V1_CA_CRT which has the old semantics. - Nettle self tests now build properly, reported by Pierre . - Eliminated some memory leaks in DHE and RSA-EXPORT cipher suites. Reported by Yoann Vandoorselaere . - If the library has been compiled with features disabled, a warning is issued during the compilation of any program. - API and ABI modifications: gnutls_x509_crt_list_import(): Add gnutls_x509_crq_get_attribute_by_oid(): Add. gnutls_x509_crq_set_attribute_by_oid(): Add gnutls_x509_crt_set_extension_by_oid(): Add. GNUTLS_VERIFY_ALLOW_X509_V1_CA_CRT: Modify semantics. GNUTLS_VERIFY_ALLOW_ANY_X509_V1_CA_CRT: Add, old behaviour. * Version 1.2.0 (2005-01-27) - Added the definitions and OIDs for the RIPEMD-160 hash algorithm. - Introduced gnutls_x509_crt_sign2(), gnutls_x509_crq_sign2() and gnutls_x509_crl_sign2(). - Fixed license header in source code files. * Version 1.1.23 (2005-01-18) - It is now possible to generate PKCS#12 structures without private keys using "certtool --to-p12", suggested by Fabian Fagerholm . - Certtool now prints information for the RSA and DSA parameters of certificates and private keys. - Corrected the write of CRL distribution points. - The certificate chain verification function now checks certificates in the reverse order to minimize the spent resources. - Corrected several bugs found by Marcin Garski - The functions gnutls_x509_crl_get_issuer_dn, gnutls_x509_crq_get_dn, gnutls_x509_crt_get_issuer_dn, gnutls_x509_crt_get_dn, and gnutls_x509_rdn_get now set *sizeof_buf to the buffer length that is required, instead of the string length. That is, the value has been incremented by 1 to account for the terminating zero. Reported by Martin Lambers . - Debug output shouldn't crash on platforms that doesn't handle NULL printf %s values. Reported by Michael.Ringe@aachen.utimaco.de. - Sync included copy of libtasn1 with version 0.2.13. - Client X.509 authenticated connections via gnutls-cli should now work again. * Version 1.1.22 (2004-11-04) - Replace GNU LD version script with Libtool -export-symbols-regex, from Joe Orton . - Documentation improvements. - Code indented using 'indent -i4 -kr'. - The API manual is included in Devhelp format. (Was in last release too, but the NEWS entry was forgotten.) - The OpenSSL compatibility code now use the internal crypto interface. - Added simple self test of OpenSSL compatibility library. - Internally, libtool convenience libraries are used. - Cleanups to configure.ac. * Version 1.1.21 (2004-10-27) - Print DN of certificates with unknown characters in them, but in hexform only. - Added second precision to the X.509 parsing and generation functions. - Corrected bug in _gnutls_x509_get_dn_oid(), and returns the actual OID. - Add parameter --la-file to libgnutls-config and libgnutls-extra-config, tiny patch contributed by Joe Orton . - Add pkg-config meta files, suggested by Stéphane LOEUILLET . - Fix memory initializaion bug in gnutls_certificate_set_x509_trust, tiny patch by Aleix Conchillo Flaque . - Add self test of PKCS#12 functionality in "certtool", based on test vectors from Joe Orton . - Fix library order in libgnutls*-config --libs output, to permit static linking, reported by Yoann Vandoorselaere . * Version 1.1.20 (2004-10-12) - Fix compile problem in gl/getpass.c on some systems. * Version 1.1.19 (2004-10-07) - Fix memory leak in gnutls_certificate_verify_peers and gnutls_certificate_free_credentials, report and patch by Simon Posnjak . - Fix crash in `certtool --to-p12 --load-privkey foo', i.e. exporting a key and no certificate to PKCS#12. - Fix objdir != srcdir builds, reported by "Gerrit P. Haase" . - Fixes faulty getpass implementation in libextra/opencdk/, reported by Yoann Vandoorselaere . - Uses memmem instead of strnstr in lib/. - Using more GNULib portability files, although not yet inside lib/. - Added gnutls_certificate_verify_peers to gnutls/compat.h. Nikos deprecated gnutls_certificate_verify_peers in favor of gnutls_certificate_verify_peers2 earlier in the 1.1 branch. - Improvements to the manual. - Add new example "ex-rfc2818" for certificate verification, from Nikos. - Known bug: the library require snprintf. This has not yet been fixed, but will be handled via GNULib later on. * Version 1.1.18 (2004-08-24) - Corrected handling of certificate with dates after year 2038. - Corrected DER decoder which could incorrectly treat input as BER and fail. - Correct certtool --smime-to-p7 end of line character handling. - Added example client and server for anonymous authentication. - Added self test that tests anonymous TLS client and server. - Added self tests of Nettle and generic crypto layer. - Added API reference manual in HTML format in doc/reference/ using GTK-DOC. Online version at . - Assume C89 or better; removed checks for size_t, ptrdiff_t and time_t. - Man pages for API functions are included. * Version 1.1.17 (2004-08-18) - Bug fix of padding string in RSA PKCS#1 v1.5 type 2 encryption, reported by Robey Pointer . - Generic crypto interface for secret key ciphers, hashes and randomness added. See section "Experimental" within section "COMPILATION ISSUES" in README. - Removed length limit on passwords read by 'certtool'. - Documentation fixes. * Version 1.1.16 (2004-08-15) - Fix missing gnulib linker parameter when building certtool. - Add gnulib module 'progname', needed by module 'error'. - Improve building with srcdir != objdir. * Version 1.1.15 (2004-08-15) - Certtool has simplistic --smime-to-p7 to translate RFC 2633 messages into PKCS #7 format. - Ported to Mac OS X / Darwin. - Ported to FreeBSD. * Version 1.1.14 (2004-08-09) - Documentation converted to Texinfo format. - Bug fix of test suite. - Configure now print build information, used by Autobuild. * Version 1.1.13 (2004-08-05) - Added simple self test suite. * Version 1.1.12 (2004-08-02) - Updated the SRP authentication to conform to the latest (yet unreleased) draft. Unfortunately this breaks compatibility with previous versions. - Changed the makefiles to be more portable. - SRP ciphersuites were moved to the gnutls library. - Added some default limits in the verification of certificate chains, to avoid denial of service attacks. Also added gnutls_certificate_set_verify_limits() to override them. Issue pointed out by Patrik Hornik . - Added gnutls_certificate_verify_peers2(). * Version 1.1.11 (2004-07-16) - Added the '_t' suffix to all exported symbols. - Fixed bug in RSA encryption, report and patch by Martijn Koster . - Corrected a bug in certificate verification. Pointed out by Yoann Vandoorselaere - Added the GNUTLS_VERIFY_DO_NOT_ALLOW_SAME flags to the verification functions. - The ephemeral DH and RSA parameters are no longer stored in the session resume DB. - Do not free the SRP (prime and generator) parameters obtained from the callback if they are the static ones defined in extra.h - Eliminated some memory leaks. Reported by Yoann Vandoorselaere. * Version 1.1.10 (2004-06-12) - Added gnutls_sign_algorithm_get_name() and gnutls_pk_algorithm_get_name() - Corrected bug in TLS renegotiation. - Corrected bug in OpenPGP key loading using a callback. - gnutls-srpcrypt was renamed to srptool - Allow handshake requests by the client. - Automatically disable certificate types that do not have corresponding certificates. - Added gnutls_auth_client_get_type() and gnutls_auth_server_get_type() - Opencdk library is being included if not found. - certtool can now add ip address SAN extension. - certtool has now support for more X.520 DN attribute types. - Better handling of EOF in gnutls_record_recv(). - _gnutls_deinit() is no longer used. Sessions are not automatically removed any more, on abnormal termination. - Corrected session resuming in SRP ciphersuites. - Updated to conform to the latest srp draft (draft-ietf-tls-srp-07) - Added new functions to allow access to the ephemeral Diffie Hellman parameters. - Added the functions gnutls_x509_crt_get_pk_rsa_raw() and gnutls_x509_crt_get_pk_dsa_raw() to retrieve parameters from certificates. - Added the functions gnutls_dh_get_group(), gnutls_dh_get_pubkey() and gnutls_rsa_export_get_pubkey() to retrieve parameters of the DH or RSA-EXPORT key exchange. - Some fixes in the session resuming code. - Added gnutls_openpgp_keyring_check_id(). * Version 1.1.9 (2004-04-14) - Added support for authority key identifier and the extended key usage X.509 extension fields. The certtoool was updated to support them. - The RC2 cipher is no more included. The one in libgcrypt is now used. - Added batch support to certtool. Now it can use templates. * Version 1.1.8 (2004-04-07) - Implemented all the tests for the SRP group parameters in client side. This may lead to incompatibility with very old gnutls servers. - Corrected bug in RSA parameters handling which could cause unexpected crashes. - Optimized the copying of rsa_params. * Version 1.1.7 (2004-03-29) - Added gnutls_certificate_set_params_function() and gnutls_anon_set_params_function() that set the RSA or DH parameters using a callback. - Added functions gnutls_rsa_params_cpy(), gnutls_dh_params_cpy() and gnutls_x509_privkey_cpy(). - Corrected a compilation issue when opencdk was installed in a non standard directory. - Deprecated: gnutls_srp_server_set_select_function(), gnutls_certificate_client_set_select_function(), gnutls_srp_server_set_select_function(). * Version 1.1.6 (2004-02-24) - Several bug fixes, by Arne Thomassen. - Fixed a bug where 'server name' extension was always sent. * Version 1.1.5 (2004-01-06) - Added the gnutls_sign_algorithm type. * Version 1.1.4 (2004-01-04) - Improved gnutls-cli's SRP behaviour in SRP ciphersuites. If they are of highest priority then the abbreviated handshake is used. - Removed all references of missing files. - Changed handshake behaviour to send the lowest TLS version when an unsupported version was advertized. The current behaviour is to send the maximum version we support. - Corrected problem printing the DC attributes in a DN. * Version 1.1.3 (2003-12-30) - Implemented TLS 1.1 (and also obsoleted the TLS 1.0 CBC protection hack). * Version 1.1.2 (2003-12-28) - Added CRL verification functionality to certtool. - Corrected the CRL distribution point extension handling. * Version 1.1.1 (2003-12-26) - Added PKCS #7 support to certtool utility. - Added support for reading and generating CRL distribution points extensions in certificates. - Added support for generating CRLs in the library and the certtool utility. - Added support for the Subject Key ID PKIX extension. * Version 1.1.0 (2003-12-21) - The error codes GNUTLS_E_NO_TEMPORARY_DH_PARAMS and GNUTLS_E_NO_TEMPORARY_RSA_PARAMS are no longer returned by the handshake function. Ciphersuites that require temporary parameters are removed when such parameters do not exist. - Added the callbacks gnutls_certificate_client_retrieve_function() and gnutls_certificate_server_retrieve_function(), to allow a client or a server to specify certificates for the handshake without storing them to the credentials structure. - Added support for generating and exporting DSA private keys. - Added gnutls_x509_crt_set_key_usage() and certtool can now set the certificate's key usage. - Added gnutls_openpgp_key_get_key_usage(). * Version 1.0.1 (2003-12-10) - Some minor fixes in the makefiles. They now include CFLAGS from libgcrypt or opencdk if installed in a non standard directory. - Fixed the SRP detection test in gnutls-cli-debug. - Added gnutls_rsa_params_export_pkcs1() and gnutls_rsa_params_import_pkcs1(). * Version 1.0.0 (2003-12-04) - Exported the static SRP group parameters. - Some fixes in the certificate authenticated SRP ciphersuites. - Improved the support for draft-ietf-tls-srp-05. The two-phase handshake is now fully supported without any interaction with the application layer (except for a callback). * Version 0.9.99 (2003-11-28) - Some fixes in the gnutls.h header for the gnutls_server_name_set() and gnutls_server_name_get() prototypes. - Exported the gnutls_x509_privkey_sign_data(), gnutls_x509_privkey_verify_data() and gnutls_x509_crt_verify_data(). - Some fixes in the openpgp authentication. - Removed the Twofish cipher. * Version 0.9.98 (2003-11-16) - The openssl compatibility layer was moved to gnutls-openssl library instead of being included in the gnutls-extra library. - Added the RIPEMD ciphersuites defined in draft-ietf-tls-openpgp-keys-04. - Building with openpgp support is now mandatory. - gnutls4 compatibility header is no longer included by default in gnutls.h. - gnutls8 function usage yelds a deprecation warning in gcc3. - gnutls_x509_*_set_dn_by_oid() and gnutls_x509_*_get_*_dn_by_oid() functions have a raw_flag parameter added. - Added gnutls_x509_*_get_dn_oid() and gnutls_x509_crt_get_extension_oid() functions which return the available OIDs. * Version 0.9.97 (2003-11-11) - The certtool utility can now generate PKCS #12 structures without specifying a certificate. - Added capability to read CRLs to certtool. - Corrected some functions which return GNUTLS_E_SHORT_MEMORY_BUFFER to properly set the required buffer size. - Corrected a bug in libgcrypt detection. * Version 0.9.96 (2003-11-09) - Some changes to allow compilation with mingw32. - Several code cleanups. * Version 0.9.95 (2003-11-02) - Improved the verification functions. Added new verification output flags and removed the unused and redundant ones. - Improved the OpenPGP key support. - The prime utility was removed, and its functionality was moved to certtool. * Version 0.9.94 (2003-10-30) - Added manpages for the included programs. - Documented and improved the certtool utility. - Added PKCS #12 support to certtool utility. * Version 0.9.93 (2003-10-26) - Corrected some compilation issues. - Improved the certtool command line utility. * Version 0.9.92 (2003-10-25) - The RFC2818 hostname verification is now case insensitive. - Added support for generating X.509 certificates. - Added the certtool, a tool for generating X.509 certificates * Version 0.9.91 (2003-10-17) - Fixed a compilation issue in the openpgp authentication part. * Version 0.9.90 (2003-10-08) - Updated the openpgp key API (depends on the unreleased new opencdk). * Version 0.9.8 (2003-10-02) - Updated the SRP implementation to follow the latest draft (draft-ietf-tls-srp-05). - Improved the gnutls-cli behaviour in error handling, and added a check for the peer's hostname. - Use versioned symbols in the library (where available). - RIJNDAEL ciphersuites were renamed to AES. * Version 0.9.7 (2003-08-25) - The tex files are now included in the distribution. - The library can now decrypt PKCS #12 files encrypted with the RC2-40 cipher. - The missing rfc2818_hostname object is now included. - Several corrections and bug fixes in the library by Arne Thomassen . - CR is now allowed in the base64 decoder. * Version 0.9.6 (2003-06-28) - Added gnutls_x509_privkey_get_key_id() and gnutls_x509_crt_get_key_id() functions which return a unique (per public key) ID. These can be used to check if the private key corresponds to a given certificate. - Corrections in the TLS layer openpgp certificate packet parser. - Corrected a bug in the record layer buffering, which affected the case where external pull function was used. Report and patch by Sergey Poznyakoff . - Corrected a bug in gnutls-srpcrypt where a non allocated variable was freed. - SRP programs are now built by default. - Added API to read and write to PKCS #12 structures. Prototypes in gnutls/pkcs12.h. - The gnutls_transport_ptr type was changed to a pointer type (void*). * Version 0.9.5 (2003-04-06) - Several improvements in the PKCS #7 handling - Eliminated several hard coded constants in MPI parameters. * Version 0.9.4 (2003-03-28) - Corrected a parsing error in the Certificate request message. - Corrected behaviour when a certificate request message is received. Now a certificate packet is always sent, and in SSL 3.0 cipher suites a no_certificate alert is sent instead. - Added functionality to generate PKCS #7 structures (with certificates). * Version 0.9.3 (2003-03-24) - Support for MD2 was dropped. - Improved the error logging functions, by adding a level, and by allowing debugging messages just by increasing the level. - The diffie Hellman ciphersuites are now of higher priority than the plain RSA. - The RSA premaster secret version check can no longer be disabled. - Implemented the counter measure discussed in the paper "Attacking RSA-based Sessions in SSL/TLS", against the attack described in the same paper. - Added the functions: gnutls_handshake_get_last_in(), gnutls_handshake_get_last_out(). - The gnutls_certificate_set_rsa_params() was renamed to gnutls_certificate_set_rsa_export_params(). - Added the new functions: gnutls_certificate_set_x509_key() gnutls_certificate_set_x509_trust(), gnutls_certificate_set_x509_crl(), gnutls_x509_crt_export(), gnutls_x509_crl_export(). - Added support for encoding and decoding PKCS #8 2.0 encrypted RSA private keys. * Version 0.9.2 (2003-03-15) - Some corrections in the memory mapping code (file is unmapped after it is read). - Added support for PKCS#10 certificate requests generation. * Version 0.9.1 (2003-03-12) - Corrected a bug in 64 bit architectures, which affected the serial number calculation in the record layer. - Added gnutls_certificate_free_keys() which deletes all the private keys and certificates from the credentials structure. - Corrected a broken buffer check in _gnutls_io_read_buffered(), which caused some unexpected packet length errors. Report and patch by Ian Peters . - Added ability to generate RSA keys. - Increased the maximum parameter size in order to read some large keys by some CAs. Patch by Ian Peters . - Added an strnstr() function and the requirement in some functions to use null terminated PEM structures is no more. - Use mmap() if available to read files. - Fixed a memory leak in SRP code reported by Rupert Kittinger . * Version 0.9.0 (2003-03-03) - This version is not binary compatible with the previous ones. - The library notifies the application on empty and illegal SRP usernames, so that proper notification (via an alert) is sent to the peer. - Added ability to send some messages back to the application using the gnutls_global_set_log_function(). - gnutls_dh_params_generate() and gnutls_rsa_params_generate() now use gnutls_malloc() to allocate the output parameters. - Added support for MD2 algorithm in certificate signature verification. - The RSA and DH parameter generation interface was changed. Added ability to import and export from and to PKCS3 structures. This was needed to read parameters generated using the openssl dhparam tool. - Several changes in the temporary (DH/RSA) parameter codebase. No DH parameters are now included in the library. Also the credentials structure can now hold only one temporary parameter of a kind. - Added a new Certificate, CRL, Private key and PKCS7 structures handling API, defined in gnutls/x509.h - Added gnutls_certificate_set_verify_flags() function to allow setting the verification flags in the credentials structure. They will be used in the *verify_peers functions. - Added protection against the new TLS 1.0 record layer timing attack. - Added support for Certificate revocation lists. Functions defined in gnutls/x509.h - The only functions that were removed are: gnutls_x509_certificate_to_xml() gnutls_x509_extract_dn_string() - Ported to libtasn1 0.2.x * Version 0.8.1 (2003-01-22) - Improved the SRP support, to prevent attackers guessing the available usernames by brute force. - Improved the SRP detection in gnutls-cli-debug - Some fixes which now allow compilation. * Version 0.8.0 (2003-01-20) - Added gnutls_x509_extract_dn_string() which returns a distinguished name in a single string. - Added gnutls_openpgp_extract_key_name_string() which returns an openpgp user ID in a single string. - Added gnutls_x509_extract_certificate_ca_status() which returns the CA status of the given certificate. - Added SRP-6 support. Follows draft-ietf-tls-srp-04. - If libtasn1 is not present in the system, it is included in the main gnutls library. - If liblzo is present in the system, then the included minilzo will not be used, and libgnutls-extra will depend on liblzo. - GNUTLS_E_PARSING_ERROR error code was replaced by GNUTLS_E_BASE64_DECODING_ERROR, and GNUTLS_E_SRP_PWD_PARSING_ERROR. GNUTLS_E_ASCII_ARMOR_ERROR was also replaced by GNUTLS_E_BASE64_DECODING_ERROR. * Version 0.6.0 (2002-12-08) - Added "gnutls/compat4.h" header. This is included in gnutls.h to emulate the old 0.4.x API. - Example programs are now stored in doc/examples/ - Several improvements and updates in the documentation. - Added the certificate authenticated SRP cipher suites. - gnutls_x509_extract_certificate_dn_string() was updated to return an RFC2253 conforming string. - Added the SRP related functions: gnutls_srp_verifier() gnutls_srp_base64_encode() gnutls_srp_base64_decode() - Added the function gnutls_srp_set_server_credentials_function() to allow retrieving SRP parameters from an external backend - other than password files. - Added the function gnutls_openpgp_set_recv_key_function() which can be used to set a callback, to get OpenPGP keys. - Exported the functions: gnutls_malloc() gnutls_free() which should be used by callback functions. - Changed the semantics of gnutls_pem_base64_encode_alloc() and gnutls_pem_base64_decode_alloc(). In the default case were the gnutls library is used with malloc/realloc/free, these are binary compatible. * Version 0.5.11 (2002-11-05) - Some fixes in 'gnutls-cli' client program to prevent some segmentation faults at exit. - Example programs found in the documentation can now be generated by running "make examples" in doc/tex directory. - Added more descriptive error strings, to gnutls_strerror(). - Documented error codes, and the function reference list is now sorted. - Optimized buffering code. - gnutls_x509_extract_certificate_dn_string() was rewritten. - Added GNUTLS_E_SHORT_MEMORY_BUFFER error code, which is returned in the case where the memory buffer provided is not long enough. - Depends on the new OpenCDK 0.3.2. * Version 0.5.10 (2002-10-13) - Updated documentation. - Added server name extension. This allows clients to specify the name of the server they connect to. Useful to HTTPS. - Several corrections in the code base, mostly in signed/unsigned, checkings. * Version 0.5.9 (2002-10-10) - Corrected some code which worked fine in gcc 3.2, but not with any other compiler. - Updated 'gnutls-cli' with the '--starttls' option, to allow testing starttls implementations. - Added gnutls_x509_extract_key_pk_algorithm() function which extracts the private key type, of a DER encoded key. - Added gnutls_x509_extract_certificate_dn_string() which returns the certificate's distinguished name in a single string. - Added gnutls_set_default_priority() and gnutls_set_default_export_priority() functions, to avoid calling all the *_priority() functions if the defaults are acceptable. - Added int gnutls_x509_check_certificates_hostname() which check whether the given hostname matches the owner of the given X.509 certificate. * Version 0.5.8 (2002-09-25) - Updated documentation. - Added gnutls_record_get_direction() which replaces the obsolete gnutls_handshake_get_direction(). - Added function to convert error codes to alert descriptions - Added LZO compression * Version 0.5.7 (2002-09-11) - Some fixes in the memory allocation functions (realloc). - Improved the string functions used in XML certificate generation. - Removed dependency on libgdbm. - Corrected bug in gnutls_dh_params_set() which affected gnutls_dh_params_deinit(). - Corrected bug in session resuming code in server side. * Version 0.5.6 (2002-09-06) - Corrected bugs in SRP implementation, which prevented gnutls to interoperate with other implementations. (interoperability testing was done by David Taylor) - Corrected bug in cert_type extension. - Corrected extension type checks which used an 8 bit extension size, instead of 16 bits. - Added versioning in the XML output of certificate functions. - Removed the X.509 test suite. * Version 0.5.5 (2002-09-03) - Updated the SRP implementation to the latest draft. The blowfish crypt implementation was removed, since the new draft does not allow other hash algorithms except for the srpsha. - Renamed all the constructed types in order to have more consistent names. - Improved the certificate and key read functions. Now they can read the certificate and the private key from the same file. - Updated and corrected documentation. * Version 0.5.4 (2002-08-27) - Fixes in TLS 1.0 PRF and SSL3 random functions. - gnutls_handshake_set_exportable_detection() was obsoleted. - Added gnutls_openpgp_extract_key_id() which returns the key ID. - Corrected bug in DHE key exchange - Added support for temporary RSA keys which are needed for the export cipher suites. - Added the TLS_RSA_EXPORT_ARCFOUR_40_MD5 ciphersuite. * Version 0.5.3 (2002-08-23) - No changes. Replaces the tarball of 0.5.2 which accidentally contained code from the unstable branch. * Version 0.5.2 (2002-08-22) - Added an error code that is returned in clients which connect to export only servers. This must be enabled using the gnutls_handshake_set_exportable_detection() function. - Updated openssl compatibility layer. - Added gnutls_handshake_get_direction() function which returns the state of the handshake when interrupted. * Version 0.5.1 (2002-07-17) - Corrected the m4 macros which used instead of - Documentation fixes - Added gnutls_transport_set_ptr2() function, which accepts two different pointers, to be used while receiving, and while sending data. - Semantic changes in gnutls_record_set_max_size(). The requested size is now immediately enforced at the output buffers. - gnutls_global_init_extra() now fails if the library versions do not match. - Fixes in client and server example programs. Null encryption can be used in these programs, to assist in debuging. - Fixes in zlib compression code. * Version 0.5.0 (2002-07-06) - Added X.509 certificate tests in tests/ directory - Removed stubs for SRP and Anonymous authentication. They served no purpose since they are always included, unless it was requested not to do so. - Added gnutls_handshake_set_private_extensions() function. This function can be used to enable private (gnutls specific) cipher suites and compression algorithms. - Added check for C99 macro support by the compiler. - Added functions gnutls_b64_encode_fmt2() and gnutls_b64_decode_fmt2() - Added the new libtasn1 library. - Removed the gdbm backend. Applications are now responsible for the session resuming backend. The gnutls-serv application contains an simple example on how to use gdbm for resuming. - Headers for the gnutls library are now installed in $(includedir)/gnutls - Added an OpenSSL compatible interface (with some limitations). - Added functions to convert DER encoded certificates to XML format. * Version 0.4.4 (2002-06-24) - Corrected bug in PKCS-1 RSA encryption which prevented gnutls to encrypt using keys of some specific size. * Version 0.4.3 (2002-05-23) - The gnutls-extra library now compiles fine, if the opencdk library is not present. - Several bug fixes. - Added gnutls_global_set_mem_func() function, to set the memory allocation functions, if other than the defaults are to be used. - The default memory allocation functions are now the ones in libc. * Version 0.4.2 (2002-05-21) - Separated ASN.1 structures parser documentation and TLS library documentation. - Added gnutls_handshake_set_rsa_pms() function, which disables the version check in RSA premaster secret. - Added gnutls_session_is_resumed() function, which reports if a session is a resumed one. - Added gnutls_state_set_ptr() and gnutls_state_get_ptr() functions, to assist in callback functions. - Replaced the included 1024 bit prime for Diffie Hellman, with a new random one. - Relicensed the library under the GNU Lesser General Public License - Added gnutls-extra library which contains the GPL covered code of gnutls. * Version 0.4.1 (2002-04-07) - Now uses alloca() for temporary variables - Optimized RSA signing - Added functions to return the peer's certificate activation and expiration time. - Corrected time function's behaviour (the time value returned no longer relate to local timezone). * Version 0.4.0 (2002-04-01) - Added support for RFC2630 (PKCS7) X.509 certificate sets - Added new functions: gnutls_x509_extract_certificate_pk_algorithm(), gnutls_openpgp_extract_key_pk_algorithm(). - Several optimizations in the Handshake protocol - Several optimizations in RSA algorithm - Unified the return values because of small buffers. * Version 0.3.92 (2002-03-23) - Updated documentation - Combined error codes of ASN.1 parser and gnutls - Removed GNUTLS_CERT_TRUSTED from the CertificateStatus enumeration - Added protection against CBC chosen plaintext attack (disabled by default) - Improved and optimized compression support * Version 0.3.91 (2002-03-03) - Added gnutls-cli-debug program - Corrections in session resumption - Rehandshake can now handle negotiation of different authentication type. - gnutls-cli, gnutls-serv, gnutls-srpcrypt and gnutls-cli-debug are now being installed. * Version 0.3.90 (2002-02-24) - Handshake messages are not kept in memory any more. Now we use less memory during a handshake - Added support for certificates with DSA parameters - Added DHE_DSS cipher suites - Key exchange methods changed so they do not depend on the certificate type. Added certificate type negotiation TLS extension. - Added openpgp key support (EXPERIMENTAL) - Improved Diffie Hellman key exchange support. - Bug fixes in the RSA key exchange. - Added check for the requested TLS extensions - TLS extensions now use a 16 bit type field. - Added a minimal string library to assist in ASN.1 parsing - Changes in ASN.1 parser to work with the new bison - Added gnutls_x509_extract_subject_alt_name(), which deprecates gnutls_x509_extract_subject_dns_name() - gnutls_x509_set_trust_(file/mem) can now be called multiple times - gnutls_srp_server_set_cred_file() can now be called multiple times * Version 0.3.5 (2002-01-25) - Corrected the RSA key exchange method, to avoid attacks against PKCS-1 formating. * Version 0.3.4 (2002-01-20) - Corrected bugs in DHE_RSA key exchange method * Version 0.3.3 (2002-01-19) - Added gnutls_x509pki_verify_certificate() - Added gnutls_x509pki_set_trust_mem() and gnutls_x509pki_set_key_mem() - Bug fixes in srpcrypt (based on patch by Marc Huber) - Bug fixes in the Handshake protocol (based on patch by Guillaume Morin) - Corrected library versioning * Version 0.3.2 (2002-01-05) - Corrected bug which did not allow a client to accept multiple CA names - Added gnutls_fingerprint() - Added gnutls_x509pki_extract_certificate_serial() - Added gnutls_b64_encode_fmt() and gnutls_b64_decode_fmt() - Corrected behaviour in version advertizing - Updated documentation - Prefixed all types in gnutls.h with 'GNUTLS_' to avoid namespace collisions * Version 0.3.1 (2001-12-21) - Corrections in the configuration files - Fixes a bug in anonymous authentication * Version 0.3.0 (2001-12-17) - Corrected bug in new integer formatting (now we use the old format again) - Several corrections and usual cleanups * Version 0.2.91 (2001-12-10) - Fixes in MPI handling (fixes possible bug with signed integers) - Removed name indication extension - Added gnutls_transport_get_ptr() and gnutls_db_get_ptr() - Optimizations in server certificate callback. - Fixes in anonymous authentication - Corrections in client ciphersuite selection * Version 0.2.90 (2001-12-07) - gnutls_handshake(), gnutls_read() etc. functions no longer require the 'SOCKET cd' argument. This argument is set using the function gnutls_set_transport_ptr(). - introduced gnutls_x509pki_get_peer_certificate_list(). This function returns a list containing peer's certificate and issuers DER encoded. - Updated X.509 certificate handling API - Added callback to select the server certificate - More consistent function naming (changes in several function names) - Buffer overflow checking in ASN.1 structures parser - Updated documentation * Version 0.2.11 (2001-11-16) - Changed the meaning of GNUTLS_E_REHANDSHAKE value. If this value is returned, then the caller should perform a handshake or send an alert to the peer. - Made receive buffer dynamic. Normally if no large chunks are received it occupies less space. - Added max_record_size extension - Bugfixes in session handling - Improved non blocking IO support in the Handshake Protocol - Usual bugfixes and cleanups - Documentation updated (includes ASN.1 documentation) * Version 0.2.10 (2001-11-05) - Corrected bugs and improved non blocking IO - Added hooks to use external database to store sessions - Usual cleanups * Version 0.2.9 (2001-10-27) - AUTH_INFO types and structures were moved to library internals - AUTH_FAILED is no longer returned in SRP authentication (any fatal error in SRP means auth failed) - Introduced GNUTLS_E_INTERRUPTED - Added support for non blocking IO - gnutls_recv() and gnutls_send() are now obsolete - Changed semantics of gnutls_rehandshake() * Version 0.2.4 (2001-10-12) - Better handling of X.509 certificate extensions - Added DHE_RSA ciphersuites - Updated the Name Indication (dnsname) extension - Improvements in Diffie Hellman primes handling * Version 0.2.3 (2001-09-19) - Memory optimizations in gnutls_recv() - Fixed several memory leaks - Added ability to specify callback for x509 client certificate selection - Better documentation * Version 0.2.2 (2001-08-21) - Several bugfixes (library and documentation) * Version 0.2.1 (2001-08-07) - SRP fixes * Version 0.2.0 (2001-08-07) - Partial support for X.509v3 Certificate extensions. - Added Internal memory handlers - Removed gnutls_x509_set_cn() - Added X.509 client authentication - Several bug fixes and protocol fixes * Version 0.1.9 (2001-07-30) - Corrected bug(s) in ChangeCipherSpec packet (fixes renegotiate) - SRP is updated to conform to the newest draft. - Added support for DNSNAME extension. - Reentracy fixes in ASN.1 Parsing. - Optimizations in hash/hmac functions - (Error) message handling has changed - Better Protocol Version handling - Added X.509 Certificate Verification - gnutls_read() semantics are now closer to read(2) - added EOF - Documented some part of gnutls in doc/tex/ using Latex * Version 0.1.4 (2001-06-22) - Corrected (srp) base64 encoding. - Changed bcrypt algorithm to include username. - Added RSA Ciphersuites (no certificate checking). - Fixes in SSL 2.0 client hello parsing. - Added ASN.1 and DER parsers. - Bugfixes in session resuming - Updated Ciphersuite selection algorithm - Added internal representation of X.509 structures. - Added global state * Version 0.1.3 (2001-06-01) - Updated API (and the way it is documented - we use inline documentation) - Added function to access alert messages. - Added support for renegotiating parameters. - Better and Faster Resume Database handling. - Several bugfixes * Version 0.1.2 (2001-05-14) - Updated API - Fixes in extension handling * Version 0.1.1 (2001-05-13) - Added compatibility with Stanford's libsrp library * Version 0.1.0 (2001-05-09) - Added SSL 2.0 client hello support - GNUTLS is a gnu library - Added support for TLS extensions. - Added support for SRP * Version 0.0.7 (2001-01-11) - Added server side session resuming (using gdbm) - Added twofish algorithm * Version 0.0.6 (2000-12-20) - Added client side session resuming - Better documentation (check doc/API) - Better socket handling (gnutls can be used with select()) - Some primitive support for non blocking IO and socket options has been added. * Version 0.0.5 (2000-12-07) - Added Compression (using ZLIB) - Added SSL 3.0 support ---------------------------------------------------------------------- Copying and distribution of this file, with or without modification, are permitted in any medium without royalty provided the copyright notice and this notice are preserved.