diff options
Diffstat (limited to 'g10/misc.c')
| -rw-r--r-- | g10/misc.c | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/g10/misc.c b/g10/misc.c index ca9b45d60..5e9df40ed 100644 --- a/g10/misc.c +++ b/g10/misc.c @@ -275,5 +275,78 @@ get_session_marker( size_t *rlen ) return marker; } +/**************** + * Wrapper around the libgcrypt function with addional checks on + * openPGP contraints for the algo ID. + */ +int +openpgp_cipher_test_algo( int algo ) +{ + if( algo < 0 || algo > 110 ) + return G10ERR_CIPHER_ALGO; + return check_cipher_algo(algo); +} + +int +openpgp_pk_test_algo( int algo, unsigned int usage_flags ) +{ + if( algo < 0 || algo > 110 ) + return G10ERR_PUBKEY_ALGO; + return check_pubkey_algo2( algo, usage_flags ); +} + +int +openpgp_pk_algo_usage ( int algo ) +{ + int usage = 0; + + /* they are hardwired in gpg 1.0 */ + switch ( algo ) { + case PUBKEY_ALGO_RSA: + usage = PUBKEY_USAGE_SIG | PUBKEY_USAGE_ENC; + break; + case PUBKEY_ALGO_RSA_E: + usage = PUBKEY_USAGE_ENC; + break; + case PUBKEY_ALGO_RSA_S: + usage = PUBKEY_USAGE_SIG; + break; + case PUBKEY_ALGO_ELGAMAL_E: + usage = PUBKEY_USAGE_ENC; + break; + case PUBKEY_ALGO_DSA: + usage = PUBKEY_USAGE_SIG; + break; + case PUBKEY_ALGO_ELGAMAL: + usage = PUBKEY_USAGE_SIG | PUBKEY_USAGE_ENC; + break; + default: + break; + } + return usage; + +} + + + +int +openpgp_md_test_algo( int algo ) +{ + if( algo < 0 || algo > 110 ) + return G10ERR_DIGEST_ALGO; + return check_digest_algo(algo); +} + + + + + + + + + + + + |