1/*
2 * Copyright 2017-2019 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/* TODO(3.0) Move this header into provider when dependencies are removed */
12#ifndef OSSL_INTERNAL_SM3_H
13# define OSSL_INTERNAL_SM3_H
14
15# include <openssl/opensslconf.h>
16
17# ifdef OPENSSL_NO_SM3
18# error SM3 is disabled.
19# endif
20
21# define SM3_DIGEST_LENGTH 32
22# define SM3_WORD unsigned int
23
24# define SM3_CBLOCK 64
25# define SM3_LBLOCK (SM3_CBLOCK/4)
26
27typedef struct SM3state_st {
28 SM3_WORD A, B, C, D, E, F, G, H;
29 SM3_WORD Nl, Nh;
30 SM3_WORD data[SM3_LBLOCK];
31 unsigned int num;
32} SM3_CTX;
33
34int sm3_init(SM3_CTX *c);
35int sm3_update(SM3_CTX *c, const void *data, size_t len);
36int sm3_final(unsigned char *md, SM3_CTX *c);
37
38#endif /* OSSL_INTERNAL_SM3_H */
39