include/crypto/serpent.h

   1 /*
   2  * Common values for serpent algorithms
   3  */
   4
   5 #ifndef _CRYPTO_SERPENT_H
   6 #define _CRYPTO_SERPENT_H
   7
   8 #include <linux/types.h>
   9 #include <linux/crypto.h>
  10
  11 #define SERPENT_MIN_KEY_SIZE              0
  12 #define SERPENT_MAX_KEY_SIZE             32
  13 #define SERPENT_EXPKEY_WORDS            132
  14 #define SERPENT_BLOCK_SIZE               16
  15
  16 struct serpent_ctx {
  17         u32 expkey[SERPENT_EXPKEY_WORDS];
  18 };
  19
  20 int __serpent_setkey(struct serpent_ctx *ctx, const u8 *key,
  21                      unsigned int keylen);
  22 int serpent_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen);
  23
  24 void __serpent_encrypt(struct serpent_ctx *ctx, u8 *dst, const u8 *src);
  25 void __serpent_decrypt(struct serpent_ctx *ctx, u8 *dst, const u8 *src);
  26
  27 #endif