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GmSSL/include/gmssl/sm3.h
Zhi Guan bcad2eb8dd update
2021-09-10 11:29:16 +08:00

66 lines
1.7 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_SM3_H
#define GMSSL_SM3_H
#include <string.h>
#include <stdint.h>
#ifdef __cplusplus
extern "C" {
#endif
#define SM3_IS_BIG_ENDIAN 1
#define SM3_DIGEST_SIZE 32
#define SM3_BLOCK_SIZE 64
#define SM3_STATE_WORDS 8
#define SM3_HMAC_SIZE (SM3_DIGEST_SIZE)
typedef struct {
uint32_t digest[SM3_STATE_WORDS];
uint64_t nblocks;
uint8_t block[SM3_BLOCK_SIZE];
size_t num;
} SM3_CTX;
void sm3_init(SM3_CTX *ctx);
void sm3_update(SM3_CTX *ctx, const uint8_t *data, size_t datalen);
void sm3_finish(SM3_CTX *ctx, uint8_t dgst[SM3_DIGEST_SIZE]);
void sm3_digest(const uint8_t *data, size_t datalen, uint8_t dgst[SM3_DIGEST_SIZE]);
typedef struct {
SM3_CTX sm3_ctx;
unsigned char key[SM3_BLOCK_SIZE];
} SM3_HMAC_CTX;
void sm3_hmac_init(SM3_HMAC_CTX *ctx, const uint8_t *key, size_t keylen);
void sm3_hmac_update(SM3_HMAC_CTX *ctx, const uint8_t *data, size_t datalen);
void sm3_hmac_finish(SM3_HMAC_CTX *ctx, uint8_t mac[SM3_HMAC_SIZE]);
void sm3_hmac(const uint8_t *key, size_t keylen,
const uint8_t *data, size_t datalen,
uint8_t mac[SM3_HMAC_SIZE]);
#ifdef __cplusplus
}
#endif
#endif