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GmSSL/include/gmssl/sha1.h
Zhi Guan bcad2eb8dd update
2021-09-10 11:29:16 +08:00

53 lines
1.4 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_SHA1_H
#define GMSSL_SHA1_H
#include <string.h>
#include <stdint.h>
#include <sys/types.h>
#ifdef __cplusplus
extern "C" {
#endif
#define SHA1_IS_BIG_ENDIAN 1
#define SHA1_DIGEST_SIZE 20
#define SHA1_BLOCK_SIZE 64
#define SHA1_STATE_WORDS (SHA1_DIGEST_SIZE/sizeof(uint32_t))
typedef struct {
uint32_t state[SHA1_STATE_WORDS];
uint64_t nblocks; /* num of processed blocks */
uint8_t block[SHA1_BLOCK_SIZE]; /* buffer */
size_t num; /* buffered bytes in |block| */
} SHA1_CTX;
void sha1_init(SHA1_CTX *ctx);
void sha1_update(SHA1_CTX *ctx, const uint8_t *data, size_t datalen);
void sha1_finish(SHA1_CTX *ctx, uint8_t dgst[SHA1_DIGEST_SIZE]);
void sha1_digest(const uint8_t *data, size_t datalen, uint8_t dgst[SHA1_DIGEST_SIZE]);
#ifdef __cplusplus
}
#endif
#endif