diff options
Diffstat (limited to 'src/libstrongswan/crypto/crypters/crypter.h')
| -rw-r--r-- | src/libstrongswan/crypto/crypters/crypter.h | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/src/libstrongswan/crypto/crypters/crypter.h b/src/libstrongswan/crypto/crypters/crypter.h index fe854f53d..849aea500 100644 --- a/src/libstrongswan/crypto/crypters/crypter.h +++ b/src/libstrongswan/crypto/crypters/crypter.h @@ -60,7 +60,9 @@ enum encryption_algorithm_t { ENCR_UNDEFINED = 1024, ENCR_DES_ECB = 1025, ENCR_SERPENT_CBC = 1026, - ENCR_TWOFISH_CBC = 1027 + ENCR_TWOFISH_CBC = 1027, + /* see macros below to handle RC2 (effective) key length */ + ENCR_RC2_CBC = 1028, }; #define DES_BLOCK_SIZE 8 @@ -71,6 +73,15 @@ enum encryption_algorithm_t { #define TWOFISH_BLOCK_SIZE 16 /** + * For RC2, if the effective key size in bits is not key_size * 8, it should + * be encoded with the macro below. It can be decoded with the other two macros. + * After decoding the value should be validated. + */ +#define RC2_KEY_SIZE(kl, eff) ((kl) | ((eff) << 8)) +#define RC2_EFFECTIVE_KEY_LEN(ks) ((ks) >> 8) +#define RC2_KEY_LEN(ks) ((ks) & 0xff) + +/** * enum name for encryption_algorithm_t. */ extern enum_name_t *encryption_algorithm_names; |