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(const void *ctx, u8 *dst, const u8 *src);
26void __serpent_decrypt(const void *ctx, u8 *dst, const u8 *src);
27
28#endif
29

source code of linux/include/crypto/serpent.h