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sms4.h
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136 lines (119 loc) · 5.58 KB
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/* ====================================================================
* Copyright (c) 2014 - 2017 The GmSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the GmSSL Project.
* (http://gmssl.org/)"
*
* 4. The name "GmSSL Project" must not be used to endorse or promote
* products derived from this software without prior written
* permission. For written permission, please contact
*
* 5. Products derived from this software may not be called "GmSSL"
* nor may "GmSSL" appear in their names without prior written
* permission of the GmSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the GmSSL Project
* (http://gmssl.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE GmSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE GmSSL PROJECT OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*/
#ifndef HEADER_SMS4_H
#define HEADER_SMS4_H
#include <openssl/opensslconf.h>
#ifndef OPENSSL_NO_SMS4
# define SMS4_KEY_LENGTH 16
# define SMS4_BLOCK_SIZE 16
# define SMS4_IV_LENGTH (SMS4_BLOCK_SIZE)
# define SMS4_NUM_ROUNDS 32
# include <sys/types.h>
# include <openssl/e_os2.h>
# include <string.h>
# ifdef __cplusplus
extern "C" {
# endif
typedef struct {
uint32_t rk[SMS4_NUM_ROUNDS];
} sms4_key_t;
void sms4_set_encrypt_key(sms4_key_t *key, const unsigned char user_key[16]);
void sms4_set_decrypt_key(sms4_key_t *key, const unsigned char user_key[16]);
void sms4_encrypt(const unsigned char in[16], unsigned char out[16],
const sms4_key_t *key);
# define sms4_decrypt(in,out,key) sms4_encrypt(in,out,key)
void sms4_ecb_encrypt(const unsigned char *in, unsigned char *out,
const sms4_key_t *key, int enc);
void sms4_cbc_encrypt(const unsigned char *in, unsigned char *out,
size_t len, const sms4_key_t *key, unsigned char *iv, int enc);
void sms4_cfb128_encrypt(const unsigned char *in, unsigned char *out,
size_t len, const sms4_key_t *key, unsigned char *iv, int *num, int enc);
void sms4_ofb128_encrypt(const unsigned char *in, unsigned char *out,
size_t len, const sms4_key_t *key, unsigned char *iv, int *num);
void sms4_ctr128_encrypt(const unsigned char *in, unsigned char *out,
size_t len, const sms4_key_t *key, unsigned char *iv,
unsigned char ecount_buf[SMS4_BLOCK_SIZE], unsigned int *num);
int sms4_wrap_key(sms4_key_t *key, const unsigned char *iv,
unsigned char *out, const unsigned char *in, unsigned int inlen);
int sms4_unwrap_key(sms4_key_t *key, const unsigned char *iv,
unsigned char *out, const unsigned char *in, unsigned int inlen);
void sms4_ctr32_encrypt_blocks(const unsigned char *in, unsigned char *out,
size_t blocks, const sms4_key_t *key, const unsigned char iv[16]);
# define SMS4_EDE_KEY_LENGTH (SMS4_KEY_LENGTH * 3)
typedef struct {
sms4_key_t k1;
sms4_key_t k2;
sms4_key_t k3;
} sms4_ede_key_t;
void sms4_ede_set_encrypt_key(sms4_ede_key_t *key, const unsigned char user_key[48]);
void sms4_ede_set_decrypt_key(sms4_ede_key_t *key, const unsigned char user_key[48]);
void sms4_ede_encrypt(const unsigned char in[16], unsigned char out[16],
const sms4_ede_key_t *key);
# define sms4_ede_decrypt(in,out,key) sms4_ede_encrypt(in,out,key)
void sms4_ede_ecb_encrypt(const unsigned char *in, unsigned char *out,
const sms4_ede_key_t *key, int enc);
void sms4_ede_cbc_encrypt(const unsigned char *in, unsigned char *out,
size_t len, const sms4_ede_key_t *key, unsigned char *iv, int enc);
void sms4_ede_cfb128_encrypt(const unsigned char *in, unsigned char *out,
size_t len, const sms4_ede_key_t *key, unsigned char *iv, int *num,
int enc);
void sms4_ede_ofb128_encrypt(const unsigned char *in, unsigned char *out,
size_t len, const sms4_ede_key_t *key, unsigned char *iv, int *num);
void sms4_ede_ctr128_encrypt(const unsigned char *in, unsigned char *out,
size_t len, const sms4_ede_key_t *key, unsigned char *iv,
unsigned char ecount_buf[SMS4_BLOCK_SIZE], unsigned int *num);
int sms4_ede_wrap_key(sms4_ede_key_t *key, const unsigned char *iv,
unsigned char *out, const unsigned char *in, unsigned int inlen);
int sms4_ede_unwrap_key(sms4_ede_key_t *key, const unsigned char *iv,
unsigned char *out, const unsigned char *in, unsigned int inlen);
# ifdef __cplusplus
}
# endif
#endif
#endif