/*

 * Copyright 2017-2019 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

 */

/* TODO(3.0) Move this header into provider when dependencies are removed */

#ifndef OSSL_INTERNAL_SM3_H

# define OSSL_INTERNAL_SM3_H

# 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 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);

#endif /* OSSL_INTERNAL_SM3_H */