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