text: /*
   * Copyright 1995-2017 The OpenSSL Project Authors. 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
   */
  
  #include <string.h>
  #include <openssl/provider.h>
  #include <openssl/params.h>
  #include <openssl/ossl_typ.h>
  #include <openssl/core_names.h>
  #include "internal/nelem.h"
  #include "testutil.h"
  
  #if defined(OPENSSL_NO_DES) && !defined(OPENSSL_NO_MDC2)
  # define OPENSSL_NO_MDC2
  #endif
  
  #ifndef OPENSSL_NO_MDC2
  # include <openssl/evp.h>
  # include <openssl/mdc2.h>
  
  # ifdef CHARSET_EBCDIC
  #  include <openssl/ebcdic.h>
  # endif
  
  static unsigned char pad1[16] = {
      0x42, 0xE5, 0x0C, 0xD2, 0x24, 0xBA, 0xCE, 0xBA,
      0x76, 0x0B, 0xDD, 0x2B, 0xD4, 0x09, 0x28, 0x1A
  };
  
  static unsigned char pad2[16] = {
      0x2E, 0x46, 0x79, 0xB5, 0xAD, 0xD9, 0xCA, 0x75,
      0x35, 0xD8, 0x7A, 0xFE, 0xAB, 0x33, 0xBE, 0xE2
  };
  
  static int test_mdc2(void)
  {
      int testresult = 0;
      unsigned int pad_type = 2;
      unsigned char md[MDC2_DIGEST_LENGTH];
      EVP_MD_CTX *c;
      static char text[] = "Now is the time for all ";
      size_t tlen = strlen(text), i = 0;
      OSSL_PROVIDER *prov = NULL;
      OSSL_PARAM params[2];
  
      params[i++] = OSSL_PARAM_construct_uint(OSSL_DIGEST_PARAM_PAD_TYPE,
                                              &pad_type),
      params[i++] = OSSL_PARAM_construct_end();
  
      prov = OSSL_PROVIDER_load(NULL, "legacy");
  # ifdef CHARSET_EBCDIC
      ebcdic2ascii(text, text, tlen);
  # endif
  
      c = EVP_MD_CTX_new();
      if (!TEST_ptr(c)
          || !TEST_true(EVP_DigestInit_ex(c, EVP_mdc2(), NULL))
          || !TEST_true(EVP_DigestUpdate(c, (unsigned char *)text, tlen))
          || !TEST_true(EVP_DigestFinal_ex(c, &(md[0]), NULL))
          || !TEST_mem_eq(md, MDC2_DIGEST_LENGTH, pad1, MDC2_DIGEST_LENGTH)
          || !TEST_true(EVP_DigestInit_ex(c, EVP_mdc2(), NULL)))
          goto end;
  
      if (!TEST_int_gt(EVP_MD_CTX_set_params(c, params), 0)
          || !TEST_true(EVP_DigestUpdate(c, (unsigned char *)text, tlen))
          || !TEST_true(EVP_DigestFinal_ex(c, &(md[0]), NULL))
          || !TEST_mem_eq(md, MDC2_DIGEST_LENGTH, pad2, MDC2_DIGEST_LENGTH))
          goto end;
  
      testresult = 1;
   end:
      EVP_MD_CTX_free(c);
      OSSL_PROVIDER_unload(prov);
      return testresult;
  }
  #endif
  
  int setup_tests(void)
  {
  #ifndef OPENSSL_NO_MDC2
      ADD_TEST(test_mdc2);
  #endif
      return 1;
  }
  