tests/test-md5-buffer.c

   1 /*
   2  * Copyright (C) 2005, 2009-2024 Free Software Foundation, Inc.
   3  * Written by Simon Josefsson
   4  *
   5  * This program is free software: you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation, either version 3 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  17
  18 /* Written by Simon Josefsson. */
  19
  20 #include <config.h>
  21
  22 #include "md5.h"
  23
  24 #include <stdio.h>
  25 #include <string.h>
  26
  27 int
  28 main (void)
  29 {
  30   /* Test vectors from RFC 1321. */
  31
  32   const char *in1 = "abc";
  33   const char *out1 =
  34     "\x90\x01\x50\x98\x3C\xD2\x4F\xB0\xD6\x96\x3F\x7D\x28\xE1\x7F\x72";
  35   const char *in2 = "message digest";
  36   const char *out2 =
  37     "\xF9\x6B\x69\x7D\x7C\xB7\x93\x8D\x52\x5A\x2F\x31\xAA\xF1\x61\xD0";
  38   char buf[MD5_DIGEST_SIZE];
  39
  40   if (memcmp (md5_buffer (in1, strlen (in1), buf), out1, MD5_DIGEST_SIZE) != 0)
  41     {
  42       size_t i;
  43       printf ("expected:\n");
  44       for (i = 0; i < MD5_DIGEST_SIZE; i++)
  45         printf ("%02x ", out1[i] & 0xFFu);
  46       printf ("\ncomputed:\n");
  47       for (i = 0; i < MD5_DIGEST_SIZE; i++)
  48         printf ("%02x ", buf[i] & 0xFFu);
  49       printf ("\n");
  50       return 1;
  51     }
  52
  53   if (memcmp (md5_buffer (in2, strlen (in2), buf), out2, MD5_DIGEST_SIZE) != 0)
  54     {
  55       size_t i;
  56       printf ("expected:\n");
  57       for (i = 0; i < MD5_DIGEST_SIZE; i++)
  58         printf ("%02x ", out2[i] & 0xFFu);
  59       printf ("\ncomputed:\n");
  60       for (i = 0; i < MD5_DIGEST_SIZE; i++)
  61         printf ("%02x ", buf[i] & 0xFFu);
  62       printf ("\n");
  63       return 1;
  64     }
  65
  66   return 0;
  67 }