mirror of
https://github.com/guanzhi/GmSSL.git
synced 2026-05-07 08:56:17 +08:00
108 lines
3.8 KiB
C
108 lines
3.8 KiB
C
/*
|
||
* Copyright (c) 2014 - 2021 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
|
||
* guanzhi1980@gmail.com.
|
||
*
|
||
* 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 GMSSL_SM4_H
|
||
#define GMSSL_SM4_H
|
||
|
||
|
||
#include <sys/types.h>
|
||
#include <stdint.h>
|
||
#include <string.h>
|
||
|
||
|
||
#ifdef __cplusplus
|
||
extern "C" {
|
||
#endif
|
||
|
||
|
||
#define SM4_KEY_SIZE (16)
|
||
#define SM4_BLOCK_SIZE (16)
|
||
#define SM4_NUM_ROUNDS (32)
|
||
|
||
// TODO: 增加一个flag标注用于加密还是解密，使用时用assert检查这个flag
|
||
typedef struct {
|
||
uint32_t rk[SM4_NUM_ROUNDS];
|
||
} SM4_KEY;
|
||
|
||
|
||
void sm4_set_encrypt_key(SM4_KEY *sm4_key, const uint8_t key[16]);
|
||
void sm4_set_decrypt_key(SM4_KEY *sm4_key, const uint8_t key[16]);
|
||
void sm4_encrypt(const SM4_KEY *sm4_key, const uint8_t in[16], uint8_t out[16]);
|
||
|
||
|
||
void sm4_cbc_encrypt(const SM4_KEY *key, const uint8_t iv[16],
|
||
const uint8_t *in, size_t nblocks, uint8_t *out);
|
||
|
||
void sm4_cbc_decrypt(const SM4_KEY *key, const uint8_t iv[16],
|
||
const uint8_t *in, size_t nblocks, uint8_t *out);
|
||
|
||
int sm4_cbc_padding_encrypt(const SM4_KEY *key, const uint8_t iv[16],
|
||
const uint8_t *in, size_t inlen,
|
||
uint8_t *out, size_t *outlen);
|
||
|
||
int sm4_cbc_padding_decrypt(const SM4_KEY *key, const uint8_t iv[16],
|
||
const uint8_t *in, size_t inlen,
|
||
uint8_t *out, size_t *outlen);
|
||
|
||
void sm4_ctr_encrypt(const SM4_KEY *key, uint8_t ctr[16],
|
||
const uint8_t *in, size_t inlen, uint8_t *out);
|
||
|
||
int sm4_gcm_encrypt(const SM4_KEY *key, const uint8_t *iv, size_t ivlen,
|
||
const uint8_t *aad, size_t aadlen, const uint8_t *in, size_t inlen,
|
||
uint8_t *out, const size_t taglen, uint8_t *tag);
|
||
|
||
int sm4_gcm_decrypt(const SM4_KEY *key, const uint8_t *iv, size_t ivlen,
|
||
const uint8_t *aad, size_t aadlen, const uint8_t *in, size_t inlen,
|
||
const uint8_t *tag, size_t taglen, uint8_t *out);
|
||
|
||
|
||
#ifdef __cplusplus
|
||
}
|
||
#endif
|
||
#endif
|