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/* $OpenBSD: sm3.h,v 1.1 2018/11/11 06:53:31 tb Exp $ */
/*
* Copyright (c) 2018, Ribose Inc
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef HEADER_SM3_H
#define HEADER_SM3_H
#include <stddef.h>
#include <openssl/opensslconf.h>
#ifdef __cplusplus
extern "C" {
#endif
#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 SM3_Init(SM3_CTX *c);
int SM3_Update(SM3_CTX *c, const void *data, size_t len);
int SM3_Final(unsigned char *md, SM3_CTX *c);
#ifdef __cplusplus
}
#endif
#endif /* HEADER_SM3_H */
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