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 29