tests/test-gc-hmac-sha256.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   {
  38     const char *key =
  39       "\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b";
  40     size_t key_len = 20;
  41     const char *data = "Hi There";
  42     size_t data_len = 8;
  43     const char *digest =
  44       "\xb0\x34\x4c\x61\xd8\xdb\x38\x53\x5c\xa8\xaf\xce\xaf\x0b\xf1\x2b\x88\x1d\xc2\x00\xc9\x83\x3d\xa7\x26\xe9\x37\x6c\x2e\x32\xcf\xf7";
  45     char out[GC_SHA256_DIGEST_SIZE];
  46
  47     if (gc_hmac_sha256 (key, key_len, data, data_len, out) != 0)
  48       {
  49         printf ("call failure\n");
  50         return 1;
  51       }
  52
  53     if (memcmp (digest, out, GC_SHA256_DIGEST_SIZE) != 0)
  54       {
  55         size_t i;
  56         printf ("hash 1 mismatch. expected:\n");
  57         for (i = 0; i < GC_SHA256_DIGEST_SIZE; i++)
  58           printf ("%02x ", digest[i] & 0xFF);
  59         printf ("\ncomputed:\n");
  60         for (i = 0; i < GC_SHA256_DIGEST_SIZE; i++)
  61           printf ("%02x ", out[i] & 0xFF);
  62         printf ("\n");
  63         return 1;
  64       }
  65   }
  66
  67   gc_done ();
  68
  69   return 0;
  70 }