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#ifndef OSSL_CRYPTO_SM3_H
12# define OSSL_CRYPTO_SM3_H
13
14# include <openssl/opensslconf.h>
15
16# ifdef OPENSSL_NO_SM3
17#  error SM3 is disabled.
18# endif
19
20# define SM3_DIGEST_LENGTH 32
21# define SM3_WORD unsigned int
22
23# define SM3_CBLOCK      64
24# define SM3_LBLOCK      (SM3_CBLOCK/4)
25
26typedef struct SM3state_st {
27   SM3_WORD A, B, C, D, E, F, G, H;
28   SM3_WORD Nl, Nh;
29   SM3_WORD data[SM3_LBLOCK];
30   unsigned int num;
31} SM3_CTX;
32
33int sm3_init(SM3_CTX *c);
34int sm3_update(SM3_CTX *c, const void *data, size_t len);
35int sm3_final(unsigned char *md, SM3_CTX *c);
36
37void sm3_block_data_order(SM3_CTX *c, const void *p, size_t num);
38
39#endif
40