tests/test-gc-hmac-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
  30   rc = gc_init ();
  31   if (rc != GC_OK)
  32     {
  33       printf ("gc_init() failed\n");
  34       return 1;
  35     }
  36
  37     /* Test vectors from RFC 2104. */
  38
  39   {
  40     const char *key =
  41       "\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b";
  42     size_t key_len = 16;
  43     const char *data = "Hi There";
  44     size_t data_len = 8;
  45     const char *digest =
  46       "\x92\x94\x72\x7a\x36\x38\xbb\x1c\x13\xf4\x8e\xf8\x15\x8b\xfc\x9d";
  47     char out[16];
  48
  49     /*
  50       key =         0x0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b
  51       key_len =     16 bytes
  52       data =        "Hi There"
  53       data_len =    8  bytes
  54       digest =      0x9294727a3638bb1c13f48ef8158bfc9d
  55     */
  56
  57     if (gc_hmac_md5 (key, key_len, data, data_len, out) != 0)
  58       {
  59         printf ("call failure\n");
  60         return 1;
  61       }
  62
  63     if (memcmp (digest, out, 16) != 0)
  64       {
  65         size_t i;
  66         printf ("hash 1 mismatch. expected:\n");
  67         for (i = 0; i < 16; i++)
  68           printf ("%02x ", digest[i] & 0xFF);
  69         printf ("\ncomputed:\n");
  70         for (i = 0; i < 16; i++)
  71           printf ("%02x ", out[i] & 0xFF);
  72         printf ("\n");
  73         return 1;
  74       }
  75   }
  76
  77   gc_done ();
  78
  79   return 0;
  80 }