crypto/openssl/include/internal/sm3.h

   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 */