1/*
2 * Copyright 2017 The OpenSSL Project Authors. All Rights Reserved.
3 * Copyright 2017 Ribose Inc. All Rights Reserved.
4 *
5 * Licensed under the Apache License 2.0 (the "License"). You may not use
6 * this file except in compliance with the License. You can obtain a copy
7 * in the file LICENSE in the source distribution or at
8 * https://www.openssl.org/source/license.html
9 */
10
11#include "internal/cryptlib.h"
12
13#ifndef OPENSSL_NO_SM3
14# include <openssl/evp.h>
15# include "internal/sm3.h"
16# include "crypto/evp.h"
17
18static int init(EVP_MD_CTX *ctx)
19{
20 return sm3_init(EVP_MD_CTX_md_data(ctx));
21}
22
23static int update(EVP_MD_CTX *ctx, const void *data, size_t count)
24{
25 return sm3_update(EVP_MD_CTX_md_data(ctx), data, count);
26}
27
28static int final(EVP_MD_CTX *ctx, unsigned char *md)
29{
30 return sm3_final(md, EVP_MD_CTX_md_data(ctx));
31}
32
33static const EVP_MD sm3_md = {
34 NID_sm3,
35 NID_sm3WithRSAEncryption,
36 SM3_DIGEST_LENGTH,
37 0,
38 init,
39 update,
40 final,
41 NULL,
42 NULL,
43 SM3_CBLOCK,
44 sizeof(EVP_MD *) + sizeof(SM3_CTX),
45};
46
47const EVP_MD *EVP_sm3(void)
48{
49 return &sm3_md;
50}
51
52#endif
53