tests/test-gc-md5.c

   1 /*
   2  * Copyright (C) 2005, 2010-2024 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, or (at your option)
   8  * 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 #include <config.h>
  19
  20 #include "gc.h"
  21
  22 #include <stdio.h>
  23 #include <string.h>
  24
  25 int
  26 main (int argc, char *argv[])
  27 {
  28   Gc_rc rc;
  29   gc_hash_handle h;
  30
  31   rc = gc_init ();
  32   if (rc != GC_OK)
  33     {
  34       printf ("gc_init() failed\n");
  35       return 1;
  36     }
  37
  38   /* Test vectors from RFC 1321. */
  39
  40   {
  41     const char *in = "abcdefghijklmnopqrstuvwxyz";
  42     size_t inlen = strlen (in);
  43     const char *expect =
  44       "\xc3\xfc\xd3\xd7\x61\x92\xe4\x00\x7d\xfb\x49\x6c\xca\x67\xe1\x3b";
  45     char out[16];
  46     const char *p;
  47
  48     /* MD5 ("abcdefghijklmnopqrstuvwxyz") = c3fcd3d76192e4007dfb496cca67e13b */
  49
  50     if (gc_md5 (in, inlen, out) != 0)
  51       {
  52         printf ("gc_md5 call failed\n");
  53         return 1;
  54       }
  55
  56     if (memcmp (out, expect, 16) != 0)
  57       {
  58         size_t i;
  59         printf ("md5 1 mismatch. expected:\n");
  60         for (i = 0; i < 16; i++)
  61           printf ("%02x ", expect[i] & 0xFF);
  62         printf ("\ncomputed:\n");
  63         for (i = 0; i < 16; i++)
  64           printf ("%02x ", out[i] & 0xFF);
  65         printf ("\n");
  66         return 1;
  67       }
  68
  69     if (gc_hash_buffer (GC_MD5, in, inlen, out) != 0)
  70       {
  71         printf ("gc_hash_buffer(MD5) call failed\n");
  72         return 1;
  73       }
  74
  75     if (memcmp (out, expect, 16) != 0)
  76       {
  77         size_t i;
  78         printf ("md5 2 mismatch. expected:\n");
  79         for (i = 0; i < 16; i++)
  80           printf ("%02x ", expect[i] & 0xFF);
  81         printf ("\ncomputed:\n");
  82         for (i = 0; i < 16; i++)
  83           printf ("%02x ", out[i] & 0xFF);
  84         printf ("\n");
  85         return 1;
  86       }
  87
  88     if (gc_hash_digest_length (GC_MD5) != 16)
  89       {
  90         printf ("gc_hash_digest_length (GC_MD5) failed\n");
  91         return 1;
  92       }
  93
  94     if ((rc = gc_hash_open (GC_MD5, 0, &h)) != GC_OK)
  95       {
  96         printf ("gc_hash_open(GC_MD5) failed (%d)\n", rc);
  97         return 1;
  98       }
  99
 100     gc_hash_write (h, inlen, in);
 101
 102     p = gc_hash_read (h);
 103
 104     if (!p)
 105       {
 106         printf ("gc_hash_read failed\n");
 107         return 1;
 108       }
 109
 110     if (memcmp (p, expect, 16) != 0)
 111         {
 112         size_t i;
 113         printf ("md5 3 mismatch. expected:\n");
 114         for (i = 0; i < 16; i++)
 115           printf ("%02x ", expect[i] & 0xFF);
 116         printf ("\ncomputed:\n");
 117         for (i = 0; i < 16; i++)
 118           printf ("%02x ", p[i] & 0xFF);
 119         printf ("\n");
 120         return 1;
 121       }
 122
 123     gc_hash_close (h);
 124   }
 125
 126   gc_done ();
 127
 128   return 0;
 129 }