test/mdc2test.c

   1 /*
   2  * Copyright 1995-2017 The OpenSSL Project Authors. All Rights Reserved.
   3  *
   4  * Licensed under the OpenSSL license (the "License").  You may not use
   5  * this file except in compliance with the License.  You can obtain a copy
   6  * in the file LICENSE in the source distribution or at
   7  * https://www.openssl.org/source/license.html
   8  */
   9
  10 #include <string.h>
  11
  12 #include "internal/nelem.h"
  13 #include "testutil.h"
  14
  15 #if defined(OPENSSL_NO_DES) && !defined(OPENSSL_NO_MDC2)
  16 # define OPENSSL_NO_MDC2
  17 #endif
  18
  19 #ifndef OPENSSL_NO_MDC2
  20 # include <openssl/evp.h>
  21 # include <openssl/mdc2.h>
  22
  23 # ifdef CHARSET_EBCDIC
  24 #  include <openssl/ebcdic.h>
  25 # endif
  26
  27 static unsigned char pad1[16] = {
  28     0x42, 0xE5, 0x0C, 0xD2, 0x24, 0xBA, 0xCE, 0xBA,
  29     0x76, 0x0B, 0xDD, 0x2B, 0xD4, 0x09, 0x28, 0x1A
  30 };
  31
  32 static unsigned char pad2[16] = {
  33     0x2E, 0x46, 0x79, 0xB5, 0xAD, 0xD9, 0xCA, 0x75,
  34     0x35, 0xD8, 0x7A, 0xFE, 0xAB, 0x33, 0xBE, 0xE2
  35 };
  36
  37 static int test_mdc2(void)
  38 {
  39     int testresult = 0;
  40     unsigned char md[MDC2_DIGEST_LENGTH];
  41     EVP_MD_CTX *c;
  42     static char text[] = "Now is the time for all ";
  43     size_t tlen = strlen(text);
  44
  45 # ifdef CHARSET_EBCDIC
  46     ebcdic2ascii(text, text, tlen);
  47 # endif
  48
  49     c = EVP_MD_CTX_new();
  50     if (!TEST_ptr(c)
  51         || !TEST_true(EVP_DigestInit_ex(c, EVP_mdc2(), NULL))
  52         || !TEST_true(EVP_DigestUpdate(c, (unsigned char *)text, tlen))
  53         || !TEST_true(EVP_DigestFinal_ex(c, &(md[0]), NULL))
  54         || !TEST_mem_eq(md, MDC2_DIGEST_LENGTH, pad1, MDC2_DIGEST_LENGTH)
  55         || !TEST_true(EVP_DigestInit_ex(c, EVP_mdc2(), NULL)))
  56         goto end;
  57
  58     /* FIXME: use a ctl function? */
  59     ((MDC2_CTX *)EVP_MD_CTX_md_data(c))->pad_type = 2;
  60     if (!TEST_true(EVP_DigestUpdate(c, (unsigned char *)text, tlen))
  61         || !TEST_true(EVP_DigestFinal_ex(c, &(md[0]), NULL))
  62         || !TEST_mem_eq(md, MDC2_DIGEST_LENGTH, pad2, MDC2_DIGEST_LENGTH))
  63         goto end;
  64
  65     testresult = 1;
  66  end:
  67     EVP_MD_CTX_free(c);
  68     return testresult;
  69 }
  70 #endif
  71
  72 int setup_tests(void)
  73 {
  74 #ifndef OPENSSL_NO_MDC2
  75     ADD_TEST(test_mdc2);
  76 #endif
  77     return 1;
  78 }