security-and-privacy/gnupg
security-and-privacy/gnupg
1
0
Fork 0
mirror of git://git.gnupg.org/gnupg.git synced 2025-07-02 22:46:30 +02:00
Code Activity

See ChangeLog: Thu Jul 15 10:15:35 CEST 1999 Werner Koch

Browse source
This commit is contained in:
Werner Koch 1999-07-15 08:16:46 +00:00
parent 40f2d9f830
commit a316550579
13 changed files with 122 additions and 8 deletions
Download patch file Download diff file Expand all files Collapse all files

26
cipher/cipher.c
View file

@ -48,6 +48,7 @@ struct cipher_table_s {
};
static struct cipher_table_s cipher_table[TABLE_SIZE];
static int disabled_algos[TABLE_SIZE];
struct cipher_handle_s {
@ -246,6 +247,22 @@ cipher_algo_to_string( int algo )
return NULL;
}
void
disable_cipher_algo( int algo )
{
int i;
for(i=0; i < DIM(disabled_algos); i++ ) {
if( !disabled_algos[i] || disabled_algos[i] == algo ) {
disabled_algos[i] = algo;
return;
}
}
/* fixme: we should use a linked list */
log_fatal("can't disable cipher algo %d: table full\n");
}
/****************
* Return 0 if the cipher algo is available
*/
@ -256,8 +273,13 @@ check_cipher_algo( int algo )
do {
for(i=0; cipher_table[i].name; i++ )
if( cipher_table[i].algo == algo )
return 0; /* okay */
if( cipher_table[i].algo == algo ) {
for(i=0; i < DIM(disabled_algos); i++ ) {
if( disabled_algos[i] == algo )
return G10ERR_CIPHER_ALGO;
}
return 0; /* okay */
}
} while( load_cipher_modules() );
return G10ERR_CIPHER_ALGO;
}