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−/*
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− * Copyright (C) 2005, 2010-2015 Free Software Foundation, Inc.
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− * Written by Simon Josefsson
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− *
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− * This program is free software; you can redistribute it and/or modify
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− * it under the terms of the GNU General Public License as published by
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− * the Free Software Foundation; either version 3, or (at your option)
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− * any later version.
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− *
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− * This program is distributed in the hope that it will be useful,
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− * but WITHOUT ANY WARRANTY; without even the implied warranty of
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− * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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− * GNU General Public License for more details.
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− *
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− * You should have received a copy of the GNU General Public License
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− * along with this program; if not, see <http://www.gnu.org/licenses/>.  */
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−
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−#include <config.h>
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−
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−#include <stdio.h>
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−#include <string.h>
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−#include "gc.h"
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−
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−int
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−main (int argc, char *argv[])
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−{
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−  Gc_rc rc;
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−
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−  rc = gc_init ();
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−  if (rc != GC_OK)
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−    {
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−      printf ("gc_init() failed\n");
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−      return 1;
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−    }
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−
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−  {
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−    char *key =
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−      "\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b";
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−    size_t key_len = 20;
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−    char *data = "Hi There";
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−    size_t data_len = 8;
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−    char *digest =
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−      "\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";
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−    char out[GC_SHA256_DIGEST_SIZE];
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−
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−    if (gc_hmac_sha256 (key, key_len, data, data_len, out) != 0)
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−      {
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−        printf ("call failure\n");
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−        return 1;
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−      }
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−
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−    if (memcmp (digest, out, GC_SHA256_DIGEST_SIZE) != 0)
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−      {
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−        size_t i;
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−        printf ("hash 1 mismatch. expected:\n");
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−        for (i = 0; i < GC_SHA256_DIGEST_SIZE; i++)
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−          printf ("%02x ", digest[i] & 0xFF);
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−        printf ("\ncomputed:\n");
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−        for (i = 0; i < GC_SHA256_DIGEST_SIZE; i++)
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−          printf ("%02x ", out[i] & 0xFF);
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−        printf ("\n");
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−        return 1;
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−      }
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−  }
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−
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−  gc_done ();
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−
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−  return 0;
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−}