diff options
Diffstat (limited to 'src/libstrongswan/crypto/hashers/hasher.c')
| -rw-r--r-- | src/libstrongswan/crypto/hashers/hasher.c | 79 |
1 files changed, 78 insertions, 1 deletions
diff --git a/src/libstrongswan/crypto/hashers/hasher.c b/src/libstrongswan/crypto/hashers/hasher.c index 7fa6346d6..14bfb022f 100644 --- a/src/libstrongswan/crypto/hashers/hasher.c +++ b/src/libstrongswan/crypto/hashers/hasher.c @@ -19,17 +19,21 @@ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * for more details. + * + * RCSID $Id: hasher.c 3304 2007-10-12 23:18:42Z andreas $ */ #include "hasher.h" +#include <asn1/oid.h> #include <crypto/hashers/sha1_hasher.h> #include <crypto/hashers/sha2_hasher.h> #include <crypto/hashers/md5_hasher.h> -ENUM(hash_algorithm_names, HASH_MD2, HASH_SHA512, +ENUM(hash_algorithm_names, HASH_UNKNOWN, HASH_SHA512, + "HASH_UNKNOWN", "HASH_MD2", "HASH_MD5", "HASH_SHA1", @@ -63,3 +67,76 @@ hasher_t *hasher_create(hash_algorithm_t hash_algorithm) return NULL; } } + +/* + * Described in header. + */ +hash_algorithm_t hasher_algorithm_from_oid(int oid) +{ + hash_algorithm_t algorithm; + + switch (oid) + { + case OID_MD2: + case OID_MD2_WITH_RSA: + algorithm = HASH_MD2; + break; + case OID_MD5: + case OID_MD5_WITH_RSA: + algorithm = HASH_MD5; + break; + case OID_SHA1: + case OID_SHA1_WITH_RSA: + algorithm = HASH_SHA1; + break; + case OID_SHA256: + case OID_SHA256_WITH_RSA: + algorithm = HASH_SHA256; + break; + case OID_SHA384: + case OID_SHA384_WITH_RSA: + algorithm = HASH_SHA384; + break; + case OID_SHA512: + case OID_SHA512_WITH_RSA: + algorithm = HASH_SHA512; + break; + default: + algorithm = HASH_UNKNOWN; + } + return algorithm; +} + +/* + * Described in header. + */ +int hasher_signature_algorithm_to_oid(hash_algorithm_t alg) +{ + int oid; + + switch (alg) + { + case HASH_MD2: + oid = OID_MD2_WITH_RSA; + break; + case HASH_MD5: + oid = OID_MD5_WITH_RSA; + break; + case HASH_SHA1: + oid = OID_SHA1_WITH_RSA; + break; + case HASH_SHA256: + oid = OID_SHA256_WITH_RSA; + break; + case HASH_SHA384: + oid = OID_SHA384_WITH_RSA; + break; + case HASH_SHA512: + oid = OID_SHA512_WITH_RSA; + break; + default: + oid = OID_UNKNOWN; + } + return oid; +} + |