linux/arch/x86/crypto/des3_ede_glue.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Glue Code for assembler optimized version of 3DES
 *
 * Copyright © 2014 Jussi Kivilinna <[email protected]>
 *
 * CBC & ECB parts based on code (crypto/cbc.c,ecb.c) by:
 *   Copyright (c) 2006 Herbert Xu <[email protected]>
 */

#include <crypto/algapi.h>
#include <crypto/des.h>
#include <crypto/internal/skcipher.h>
#include <linux/crypto.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/types.h>

struct des3_ede_x86_ctx { … };

/* regular block cipher functions */
asmlinkage void des3_ede_x86_64_crypt_blk(const u32 *expkey, u8 *dst,
					  const u8 *src);

/* 3-way parallel cipher functions */
asmlinkage void des3_ede_x86_64_crypt_blk_3way(const u32 *expkey, u8 *dst,
					       const u8 *src);

static inline void des3_ede_enc_blk(struct des3_ede_x86_ctx *ctx, u8 *dst,
				    const u8 *src)
{ … }

static inline void des3_ede_dec_blk(struct des3_ede_x86_ctx *ctx, u8 *dst,
				    const u8 *src)
{ … }

static inline void des3_ede_dec_blk_3way(struct des3_ede_x86_ctx *ctx, u8 *dst,
					 const u8 *src)
{ … }

static void des3_ede_x86_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
{ … }

static void des3_ede_x86_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
{ … }

static int ecb_crypt(struct skcipher_request *req, const u32 *expkey)
{ … }

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

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

static unsigned int __cbc_encrypt(struct des3_ede_x86_ctx *ctx,
				  struct skcipher_walk *walk)
{ … }

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

static unsigned int __cbc_decrypt(struct des3_ede_x86_ctx *ctx,
				  struct skcipher_walk *walk)
{ … }

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

static int des3_ede_x86_setkey(struct crypto_tfm *tfm, const u8 *key,
			       unsigned int keylen)
{ … }

static int des3_ede_x86_setkey_skcipher(struct crypto_skcipher *tfm,
					const u8 *key,
					unsigned int keylen)
{ … }

static struct crypto_alg des3_ede_cipher = …;

static struct skcipher_alg des3_ede_skciphers[] = …;

static bool is_blacklisted_cpu(void)
{ … }

static int force;
module_param(force, int, 0);
MODULE_PARM_DESC(…) …;

static int __init des3_ede_x86_init(void)
{ … }

static void __exit des3_ede_x86_fini(void)
{ … }

module_init(…) …;
module_exit(des3_ede_x86_fini);

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