xref: /freebsd/crypto/openssl/include/internal/sm3.h (revision 525fe93dc7487a1e63a90f6a2b956abc601963c1)
1 /*
2  * Copyright 2017-2021 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 /* This header can move into provider when legacy support is removed */
12 #ifndef OSSL_INTERNAL_SM3_H
13 # define OSSL_INTERNAL_SM3_H
14 # pragma once
15 
16 # include <openssl/opensslconf.h>
17 
18 # ifdef OPENSSL_NO_SM3
19 #  error SM3 is disabled.
20 # endif
21 
22 # define SM3_DIGEST_LENGTH 32
23 # define SM3_WORD unsigned int
24 
25 # define SM3_CBLOCK      64
26 # define SM3_LBLOCK      (SM3_CBLOCK/4)
27 
28 typedef struct SM3state_st {
29    SM3_WORD A, B, C, D, E, F, G, H;
30    SM3_WORD Nl, Nh;
31    SM3_WORD data[SM3_LBLOCK];
32    unsigned int num;
33 } SM3_CTX;
34 
35 int ossl_sm3_init(SM3_CTX *c);
36 int ossl_sm3_update(SM3_CTX *c, const void *data, size_t len);
37 int ossl_sm3_final(unsigned char *md, SM3_CTX *c);
38 
39 #endif /* OSSL_INTERNAL_SM3_H */
40