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Backported getkey.c from 1.1

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This commit is contained in:
Werner Koch 2001-02-08 16:28:28 +00:00
parent a910f4f50c
commit 2af87f8829
29 changed files with 3688 additions and 3025 deletions
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73
g10/misc.c
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@ -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);
}