xref: /freebsd/crypto/openssl/include/internal/sm3.h (revision b077aed33b7b6aefca7b17ddb250cf521f938613)
1*b077aed3SPierre Pronchery /*
2*b077aed3SPierre Pronchery  * Copyright 2017-2021 The OpenSSL Project Authors. All Rights Reserved.
3*b077aed3SPierre Pronchery  * Copyright 2017 Ribose Inc. All Rights Reserved.
4*b077aed3SPierre Pronchery  *
5*b077aed3SPierre Pronchery  * Licensed under the Apache License 2.0 (the "License").  You may not use
6*b077aed3SPierre Pronchery  * this file except in compliance with the License.  You can obtain a copy
7*b077aed3SPierre Pronchery  * in the file LICENSE in the source distribution or at
8*b077aed3SPierre Pronchery  * https://www.openssl.org/source/license.html
9*b077aed3SPierre Pronchery  */
10*b077aed3SPierre Pronchery 
11*b077aed3SPierre Pronchery /* This header can move into provider when legacy support is removed */
12*b077aed3SPierre Pronchery #ifndef OSSL_INTERNAL_SM3_H
13*b077aed3SPierre Pronchery # define OSSL_INTERNAL_SM3_H
14*b077aed3SPierre Pronchery # pragma once
15*b077aed3SPierre Pronchery 
16*b077aed3SPierre Pronchery # include <openssl/opensslconf.h>
17*b077aed3SPierre Pronchery 
18*b077aed3SPierre Pronchery # ifdef OPENSSL_NO_SM3
19*b077aed3SPierre Pronchery #  error SM3 is disabled.
20*b077aed3SPierre Pronchery # endif
21*b077aed3SPierre Pronchery 
22*b077aed3SPierre Pronchery # define SM3_DIGEST_LENGTH 32
23*b077aed3SPierre Pronchery # define SM3_WORD unsigned int
24*b077aed3SPierre Pronchery 
25*b077aed3SPierre Pronchery # define SM3_CBLOCK      64
26*b077aed3SPierre Pronchery # define SM3_LBLOCK      (SM3_CBLOCK/4)
27*b077aed3SPierre Pronchery 
28*b077aed3SPierre Pronchery typedef struct SM3state_st {
29*b077aed3SPierre Pronchery    SM3_WORD A, B, C, D, E, F, G, H;
30*b077aed3SPierre Pronchery    SM3_WORD Nl, Nh;
31*b077aed3SPierre Pronchery    SM3_WORD data[SM3_LBLOCK];
32*b077aed3SPierre Pronchery    unsigned int num;
33*b077aed3SPierre Pronchery } SM3_CTX;
34*b077aed3SPierre Pronchery 
35*b077aed3SPierre Pronchery int ossl_sm3_init(SM3_CTX *c);
36*b077aed3SPierre Pronchery int ossl_sm3_update(SM3_CTX *c, const void *data, size_t len);
37*b077aed3SPierre Pronchery int ossl_sm3_final(unsigned char *md, SM3_CTX *c);
38*b077aed3SPierre Pronchery 
39*b077aed3SPierre Pronchery #endif /* OSSL_INTERNAL_SM3_H */
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