crypto/sm3/m_sm3.c

   1 /*
   2  * Copyright 2017 The OpenSSL Project Authors. All Rights Reserved.
   3  * Copyright 2017 Ribose Inc. All Rights Reserved.
   4  *
   5  * Licensed under the OpenSSL license (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 #include "internal/cryptlib.h"
  12
  13 #ifndef OPENSSL_NO_SM3
  14 # include <openssl/evp.h>
  15 # include "internal/evp_int.h"
  16 # include "internal/sm3.h"
  17
  18 static int init(EVP_MD_CTX *ctx)
  19 {
  20     return sm3_init(EVP_MD_CTX_md_data(ctx));
  21 }
  22
  23 static int update(EVP_MD_CTX *ctx, const void *data, size_t count)
  24 {
  25     return sm3_update(EVP_MD_CTX_md_data(ctx), data, count);
  26 }
  27
  28 static int final(EVP_MD_CTX *ctx, unsigned char *md)
  29 {
  30     return sm3_final(md, EVP_MD_CTX_md_data(ctx));
  31 }
  32
  33 static const EVP_MD sm3_md = {
  34     NID_sm3,
  35     NID_sm3WithRSAEncryption,
  36     SM3_DIGEST_LENGTH,
  37     0,
  38     init,
  39     update,
  40     final,
  41     NULL,
  42     NULL,
  43     SM3_CBLOCK,
  44     sizeof(EVP_MD *) + sizeof(SM3_CTX),
  45 };
  46
  47 const EVP_MD *EVP_sm3(void)
  48 {
  49     return &sm3_md;
  50 }
  51
  52 #endif