tests/test-gc-hmac-md5.c

   1 /*
   2  * Copyright (C) 2005, 2010-2017 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 <http://www.gnu.org/licenses/>.  */
  17
  18 #include <config.h>
  19
  20 #include <stdio.h>
  21 #include <string.h>
  22 #include "gc.h"
  23
  24 int
  25 main (int argc, char *argv[])
  26 {
  27   Gc_rc rc;
  28
  29   rc = gc_init ();
  30   if (rc != GC_OK)
  31     {
  32       printf ("gc_init() failed\n");
  33       return 1;
  34     }
  35
  36     /* Test vectors from RFC 2104. */
  37
  38   {
  39     char *key =
  40       "\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b";
  41     size_t key_len = 16;
  42     char *data = "Hi There";
  43     size_t data_len = 8;
  44     char *digest =
  45       "\x92\x94\x72\x7a\x36\x38\xbb\x1c\x13\xf4\x8e\xf8\x15\x8b\xfc\x9d";
  46     char out[16];
  47
  48     /*
  49       key =         0x0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b
  50       key_len =     16 bytes
  51       data =        "Hi There"
  52       data_len =    8  bytes
  53       digest =      0x9294727a3638bb1c13f48ef8158bfc9d
  54     */
  55
  56     if (gc_hmac_md5 (key, key_len, data, data_len, out) != 0)
  57       {
  58         printf ("call failure\n");
  59         return 1;
  60       }
  61
  62     if (memcmp (digest, out, 16) != 0)
  63       {
  64         size_t i;
  65         printf ("hash 1 mismatch. expected:\n");
  66         for (i = 0; i < 16; i++)
  67           printf ("%02x ", digest[i] & 0xFF);
  68         printf ("\ncomputed:\n");
  69         for (i = 0; i < 16; i++)
  70           printf ("%02x ", out[i] & 0xFF);
  71         printf ("\n");
  72         return 1;
  73       }
  74   }
  75
  76   gc_done ();
  77
  78   return 0;
  79 }