diff options
Diffstat (limited to 'src/libstrongswan/crypto/crypters/crypter.h')
| -rw-r--r-- | src/libstrongswan/crypto/crypters/crypter.h | 74 |
1 files changed, 52 insertions, 22 deletions
diff --git a/src/libstrongswan/crypto/crypters/crypter.h b/src/libstrongswan/crypto/crypters/crypter.h index d61d98f95..2879e24c0 100644 --- a/src/libstrongswan/crypto/crypters/crypter.h +++ b/src/libstrongswan/crypto/crypters/crypter.h @@ -12,8 +12,6 @@ * 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. - * - * $Id: crypter.h 5003 2009-03-24 17:43:01Z martin $ */ /** @@ -33,28 +31,42 @@ typedef struct crypter_t crypter_t; * Encryption algorithm, as in IKEv2 RFC 3.3.2. */ enum encryption_algorithm_t { - ENCR_UNDEFINED = 1024, - ENCR_DES_IV64 = 1, - ENCR_DES = 2, - ENCR_3DES = 3, - ENCR_RC5 = 4, - ENCR_IDEA = 5, - ENCR_CAST = 6, - ENCR_BLOWFISH = 7, - ENCR_3IDEA = 8, - ENCR_DES_IV32 = 9, - ENCR_NULL = 11, - ENCR_AES_CBC = 12, - ENCR_AES_CTR = 13, - ENCR_AES_CCM_ICV8 = 14, - ENCR_AES_CCM_ICV12 = 15, - ENCR_AES_CCM_ICV16 = 16, - ENCR_AES_GCM_ICV8 = 18, - ENCR_AES_GCM_ICV12 = 19, - ENCR_AES_GCM_ICV16 = 20, - ENCR_DES_ECB = 1025 + ENCR_DES_IV64 = 1, + ENCR_DES = 2, + ENCR_3DES = 3, + ENCR_RC5 = 4, + ENCR_IDEA = 5, + ENCR_CAST = 6, + ENCR_BLOWFISH = 7, + ENCR_3IDEA = 8, + ENCR_DES_IV32 = 9, + ENCR_NULL = 11, + ENCR_AES_CBC = 12, + ENCR_AES_CTR = 13, + ENCR_AES_CCM_ICV8 = 14, + ENCR_AES_CCM_ICV12 = 15, + ENCR_AES_CCM_ICV16 = 16, + ENCR_AES_GCM_ICV8 = 18, + ENCR_AES_GCM_ICV12 = 19, + ENCR_AES_GCM_ICV16 = 20, + ENCR_NULL_AUTH_AES_GMAC = 21, + ENCR_CAMELLIA_CBC = 23, + ENCR_CAMELLIA_CTR = 24, + ENCR_CAMELLIA_CCM_ICV8 = 25, + ENCR_CAMELLIA_CCM_ICV12 = 26, + ENCR_CAMELLIA_CCM_ICV16 = 27, + ENCR_UNDEFINED = 1024, + ENCR_DES_ECB = 1025, + ENCR_SERPENT_CBC = 1026, + ENCR_TWOFISH_CBC = 1027 }; +#define DES_BLOCK_SIZE 8 +#define BLOWFISH_BLOCK_SIZE 8 +#define AES_BLOCK_SIZE 16 +#define SERPENT_BLOCK_SIZE 16 +#define TWOFISH_BLOCK_SIZE 16 + /** * enum name for encryption_algorithm_t. */ @@ -122,4 +134,22 @@ struct crypter_t { void (*destroy) (crypter_t *this); }; +/** + * Conversion of ASN.1 OID to encryption algorithm. + * + * @param oid ASN.1 OID + * @param key_size returns size of encryption key in bits + * @return encryption algorithm, ENCR_UNDEFINED if OID unsupported + */ +encryption_algorithm_t encryption_algorithm_from_oid(int oid, size_t *key_size); + +/** + * Conversion of encryption algorithm to ASN.1 OID. + * + * @param alg encryption algorithm + * @param key_size size of encryption key in bits + * @return ASN.1 OID, OID_UNKNOWN if OID is unknown + */ +int encryption_algorithm_to_oid(encryption_algorithm_t alg, size_t key_size); + #endif /** CRYPTER_H_ @}*/ |