include/crypto/serpent.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * Common values for serpent algorithms
   4  */
   5
   6 #ifndef _CRYPTO_SERPENT_H
   7 #define _CRYPTO_SERPENT_H
   8
   9 #include <linux/types.h>
  10 #include <linux/crypto.h>
  11
  12 #define SERPENT_MIN_KEY_SIZE              0
  13 #define SERPENT_MAX_KEY_SIZE             32
  14 #define SERPENT_EXPKEY_WORDS            132
  15 #define SERPENT_BLOCK_SIZE               16
  16
  17 struct serpent_ctx {
  18         u32 expkey[SERPENT_EXPKEY_WORDS];
  19 };
  20
  21 int __serpent_setkey(struct serpent_ctx *ctx, const u8 *key,
  22                      unsigned int keylen);
  23 int serpent_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen);
  24
  25 void __serpent_encrypt(struct serpent_ctx *ctx, u8 *dst, const u8 *src);
  26 void __serpent_decrypt(struct serpent_ctx *ctx, u8 *dst, const u8 *src);
  27
  28 #endif