29 lines · c
1/* SPDX-License-Identifier: GPL-2.0 */2/*3 * Common values for serpent algorithms4 */5 6#ifndef _CRYPTO_SERPENT_H7#define _CRYPTO_SERPENT_H8 9#include <linux/types.h>10#include <linux/crypto.h>11 12#define SERPENT_MIN_KEY_SIZE 013#define SERPENT_MAX_KEY_SIZE 3214#define SERPENT_EXPKEY_WORDS 13215#define SERPENT_BLOCK_SIZE 1616 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(const void *ctx, u8 *dst, const u8 *src);26void __serpent_decrypt(const void *ctx, u8 *dst, const u8 *src);27 28#endif29