1 /*
2 * Copyright 2017 The OpenSSL Project Authors. All Rights Reserved.
3 * Copyright 2017 Ribose Inc. All Rights Reserved.
4 *
5 * Licensed under the OpenSSL license (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 "crypto/evp.h"
16 # include "crypto/sm3.h"
17
init(EVP_MD_CTX * ctx)18 static int init(EVP_MD_CTX *ctx)
19 {
20 return sm3_init(EVP_MD_CTX_md_data(ctx));
21 }
22
update(EVP_MD_CTX * ctx,const void * data,size_t count)23 static 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
final(EVP_MD_CTX * ctx,unsigned char * md)28 static int final(EVP_MD_CTX *ctx, unsigned char *md)
29 {
30 return sm3_final(md, EVP_MD_CTX_md_data(ctx));
31 }
32
33 static 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
EVP_sm3(void)47 const EVP_MD *EVP_sm3(void)
48 {
49 return &sm3_md;
50 }
51
52 #endif
53