diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/ssl_gnutls.c | 32 |
1 files changed, 28 insertions, 4 deletions
diff --git a/lib/ssl_gnutls.c b/lib/ssl_gnutls.c index ee166bd1..cdc7c498 100644 --- a/lib/ssl_gnutls.c +++ b/lib/ssl_gnutls.c @@ -24,6 +24,7 @@ */ #include <gnutls/gnutls.h> +#include <gcrypt.h> #include <fcntl.h> #include <unistd.h> #include "proxy.h" @@ -62,6 +63,9 @@ static gboolean ssl_handshake( gpointer data, gint source, b_input_condition con void ssl_init( void ) { + if( initialized ) + return; + gnutls_global_init(); initialized = TRUE; atexit( gnutls_global_deinit ); @@ -126,10 +130,7 @@ static gboolean ssl_connected( gpointer data, gint source, b_input_condition con return FALSE; } - if( !initialized ) - { - ssl_init(); - } + ssl_init(); gnutls_certificate_allocate_credentials( &conn->xcred ); gnutls_init( &conn->session, GNUTLS_CLIENT ); @@ -254,3 +255,26 @@ b_input_condition ssl_getdirection( void *conn ) return( gnutls_record_get_direction( ((struct scd*)conn)->session ) ? B_EV_IO_WRITE : B_EV_IO_READ ); } + +size_t ssl_des3_encrypt( const unsigned char *key, size_t key_len, const unsigned char *input, + size_t input_len, const unsigned char *iv, unsigned char **res ) +{ + gcry_cipher_hd_t gcr; + gcry_error_t st; + + ssl_init(); + + *res = g_malloc( input_len ); + st = gcry_cipher_open( &gcr, GCRY_CIPHER_3DES, GCRY_CIPHER_MODE_CBC, 0 ) || + gcry_cipher_setkey( gcr, key, key_len ) || + gcry_cipher_setiv( gcr, iv, 8 ) || + gcry_cipher_encrypt( gcr, *res, input_len, input, input_len ); + + gcry_cipher_close( gcr ); + + if( st == 0 ) + return input_len; + + g_free( *res ); + return 0; +} |