162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */ 262306a36Sopenharmony_ci/* 362306a36Sopenharmony_ci * Common values for serpent algorithms 462306a36Sopenharmony_ci */ 562306a36Sopenharmony_ci 662306a36Sopenharmony_ci#ifndef _CRYPTO_SERPENT_H 762306a36Sopenharmony_ci#define _CRYPTO_SERPENT_H 862306a36Sopenharmony_ci 962306a36Sopenharmony_ci#include <linux/types.h> 1062306a36Sopenharmony_ci#include <linux/crypto.h> 1162306a36Sopenharmony_ci 1262306a36Sopenharmony_ci#define SERPENT_MIN_KEY_SIZE 0 1362306a36Sopenharmony_ci#define SERPENT_MAX_KEY_SIZE 32 1462306a36Sopenharmony_ci#define SERPENT_EXPKEY_WORDS 132 1562306a36Sopenharmony_ci#define SERPENT_BLOCK_SIZE 16 1662306a36Sopenharmony_ci 1762306a36Sopenharmony_cistruct serpent_ctx { 1862306a36Sopenharmony_ci u32 expkey[SERPENT_EXPKEY_WORDS]; 1962306a36Sopenharmony_ci}; 2062306a36Sopenharmony_ci 2162306a36Sopenharmony_ciint __serpent_setkey(struct serpent_ctx *ctx, const u8 *key, 2262306a36Sopenharmony_ci unsigned int keylen); 2362306a36Sopenharmony_ciint serpent_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen); 2462306a36Sopenharmony_ci 2562306a36Sopenharmony_civoid __serpent_encrypt(const void *ctx, u8 *dst, const u8 *src); 2662306a36Sopenharmony_civoid __serpent_decrypt(const void *ctx, u8 *dst, const u8 *src); 2762306a36Sopenharmony_ci 2862306a36Sopenharmony_ci#endif 29