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/*
* Copyright 2017-2021 The OpenSSL Project Authors. All Rights Reserved.
* Copyright 2017 Ribose Inc. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
/* This header can move into provider when legacy support is removed */
#ifndef OSSL_INTERNAL_SM3_H
#define OSSL_INTERNAL_SM3_H
#pragma once
#include <openssl/opensslconf.h>
#ifdef OPENSSL_NO_SM3
#error SM3 is disabled.
#endif
#define SM3_DIGEST_LENGTH 32
#define SM3_WORD unsigned int
#define SM3_CBLOCK 64
#define SM3_LBLOCK (SM3_CBLOCK / 4)
typedef struct SM3state_st {
SM3_WORD A, B, C, D, E, F, G, H;
SM3_WORD Nl, Nh;
SM3_WORD data[SM3_LBLOCK];
unsigned int num;
} SM3_CTX;
int ossl_sm3_init(SM3_CTX *c);
int ossl_sm3_update(SM3_CTX *c, const void *data, size_t len);
int ossl_sm3_final(unsigned char *md, SM3_CTX *c);
#endif /* OSSL_INTERNAL_SM3_H */
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