LXR linux/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
  17struct serpent_ctx {
  18        u32 expkey[SERPENT_EXPKEY_WORDS];
  19};
  20
  21int __serpent_setkey(struct serpent_ctx *ctx, const u8 *key,
  22                     unsigned int keylen);
  23int serpent_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen);
  24
  25void __serpent_encrypt(struct serpent_ctx *ctx, u8 *dst, const u8 *src);
  26void __serpent_decrypt(struct serpent_ctx *ctx, u8 *dst, const u8 *src);
  27
  28#endif
  29