Added gnutls_b64_encode() and gnutls_b64_decode()

3 files changed, 67 insertions, 1 deletions

diff --git a/NEWS b/NEWS
index 215a9b3acc..73d479bc6c 100644
--- a/NEWS
+++ b/NEWS
@@ -2,6 +2,7 @@ Version ?.?.?
 - 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() and gnutls_b64_decode()
 - Corrected behaviour in version advertizing
 - Updated documentation
 
diff --git a/lib/gnutls_ui.h b/lib/gnutls_ui.h
index 1dd4dc1ea0..237de35d25 100644
--- a/lib/gnutls_ui.h
+++ b/lib/gnutls_ui.h
@@ -89,6 +89,9 @@ int gnutls_x509pki_get_peer_certificate_status( GNUTLS_STATE);
 #define gnutls_x509pki_client_get_peer_certificate_status gnutls_x509pki_get_peer_certificate_status
 #define gnutls_x509pki_client_get_peer_certificate_list gnutls_x509pki_get_peer_certificate_list
 
+int gnutls_b64_encode( const char* msg, const gnutls_datum *data, char* result, int* result_size);
+int gnutls_b64_decode( const gnutls_datum *b64_data, char* result, int* result_size);
+
 # endif /* LIBGNUTLS_VERSION */
 
 #endif /* GNUTLS_UI_H */
diff --git a/lib/x509_b64.c b/lib/x509_b64.c
index 4ca3e8c3dc..899f57ca3a 100644
--- a/lib/x509_b64.c
+++ b/lib/x509_b64.c
@@ -160,10 +160,42 @@ int _gnutls_base64_encode(uint8 * data, int data_size, uint8 ** result)
 	return ret;
 }
 
+/**
+  * gnutls_b64_encode - This function will convert DER data to Base64 encoded
+  * @msg: is a message to be put in the header
+  * @data: contain the DER data
+  * @result: the place where base64 data will be copied
+  * @result_size: holds the size of the result
+  *
+  * This function will convert the given data to printable data, using the base64 
+  * encoding.
+  * 
+  **/
+int gnutls_b64_encode( const char* msg, const gnutls_datum *data, char* result, int* result_size) {
+opaque* ret;
+int size;
+
+	size = _gnutls_fbase64_encode( msg, pem_data->data, pem_data->size, &ret);
+	if (size < 0)
+		return size;
+
+	if (result==NULL || *result_size < size) {
+		gnutls_free(ret);
+		*result_size = size;
+		return GNUTLS_E_INVALID_REQUEST;
+	} else {
+		memcpy( result, ret, size);
+		gnutls_free(ret);
+		*result_size = size;
+	}
+
+	return 0;
+}
+
 /* encodes data and puts the result into result (localy alocated)
  * The result_size is the return value
  */
-int _gnutls_fbase64_encode(char *msg, uint8 * data, int data_size,
+int _gnutls_fbase64_encode(const char *msg, const uint8 * data, int data_size,
 			   uint8 ** result)
 {
 	int i, ret, tmp, j;
@@ -294,6 +326,36 @@ inline static int cpydata(uint8 * data, int data_size, uint8 ** result)
 	return j;
 }
 
+/**
+  * gnutls_b64_decode - This function will decode base64 encoded data
+  * @b64_data: contain the encoded data
+  * @result: the place where decoded data will be copied
+  * @result_size: holds the size of the result
+  *
+  * This function will decode the given encoded data.
+  * 
+  **/
+int gnutls_b64_decode( const gnutls_datum *b64_data, char* result, int* result_size) {
+opaque* ret;
+int size;
+
+	size = _gnutls_fbase64_decode( pem_data->data, pem_data->size, &ret);
+	if (size < 0)
+		return size;
+
+	if (result==NULL || *result_size < size) {
+		gnutls_free(ret);
+		*result_size = size;
+		return GNUTLS_E_INVALID_REQUEST;
+	} else {
+		memcpy( result, ret, size);
+		gnutls_free(ret);
+		*result_size = size;
+	}
+
+	return 0;
+}
+
 /* decodes data and puts the result into result (localy alocated)
  * The result_size is the return value
  */