linux/arch/x86/crypto/twofish_avx_glue.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Glue Code for AVX assembler version of Twofish Cipher
 *
 * Copyright (C) 2012 Johannes Goetzfried
 *     <[email protected]>
 *
 * Copyright © 2013 Jussi Kivilinna <[email protected]>
 */

#include <linux/module.h>
#include <linux/types.h>
#include <linux/crypto.h>
#include <linux/err.h>
#include <crypto/algapi.h>
#include <crypto/internal/simd.h>
#include <crypto/twofish.h>

#include "twofish.h"
#include "ecb_cbc_helpers.h"

#define TWOFISH_PARALLEL_BLOCKS …

/* 8-way parallel cipher functions */
asmlinkage void twofish_ecb_enc_8way(const void *ctx, u8 *dst, const u8 *src);
asmlinkage void twofish_ecb_dec_8way(const void *ctx, u8 *dst, const u8 *src);

asmlinkage void twofish_cbc_dec_8way(const void *ctx, u8 *dst, const u8 *src);

static int twofish_setkey_skcipher(struct crypto_skcipher *tfm,
				   const u8 *key, unsigned int keylen)
{ … }

static inline void twofish_enc_blk_3way(const void *ctx, u8 *dst, const u8 *src)
{ … }

static int ecb_encrypt(struct skcipher_request *req)
{ … }

static int ecb_decrypt(struct skcipher_request *req)
{ … }

static int cbc_encrypt(struct skcipher_request *req)
{ … }

static int cbc_decrypt(struct skcipher_request *req)
{ … }

static struct skcipher_alg twofish_algs[] = …;

static struct simd_skcipher_alg *twofish_simd_algs[ARRAY_SIZE(twofish_algs)];

static int __init twofish_init(void)
{ … }

static void __exit twofish_exit(void)
{ … }

module_init(…) …;
module_exit(twofish_exit);

MODULE_DESCRIPTION(…) …;
MODULE_LICENSE(…) …;
MODULE_ALIAS_CRYPTO(…) …;