mirror of
https://github.com/guanzhi/GmSSL.git
synced 2026-05-20 15:26:26 +08:00
76 lines
2.2 KiB
C
76 lines
2.2 KiB
C
/*
|
||
* Copyright 2014-2021 The GmSSL Project Authors. All Rights Reserved.
|
||
*
|
||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||
* you may not use this file except in compliance with the License.
|
||
* You may obtain a copy of the License at
|
||
*
|
||
* http://www.apache.org/licenses/LICENSE-2.0
|
||
*
|
||
* Unless required by applicable law or agreed to in writing, software
|
||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
* See the License for the specific language governing permissions and
|
||
* limitations under the License.
|
||
*/
|
||
|
||
#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
|