src/util/test_hash_context.c


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/*
  This file is part of TALER
  (C) 2014 Christian Grothoff (and other contributing authors)

  TALER is free software; you can redistribute it and/or modify it under the
  terms of the GNU General Public License as published by the Free Software
  Foundation; either version 3, or (at your option) any later version.

  TALER is distributed in the hope that it will be useful, but WITHOUT ANY
  WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
  A PARTICULAR PURPOSE.  See the GNU General Public License for more details.

  You should have received a copy of the GNU General Public License along with
  TALER; see the file COPYING.  If not, If not, see <http://www.gnu.org/licenses/>
*/

/**
 * @file util/test_hash_context.c
 * @brief test case for incremental hashing
 * @author Florian Dold
 */

#include "platform.h"
#include "taler_util.h"
#include <gcrypt.h>

#define LEN 1234

int main()
{
  char data[1234];
  struct GNUNET_HashCode hc1;
  struct GNUNET_HashCode hc2;
  struct TALER_HashContext hctx;

  memset (data, 42, LEN);

  TALER_hash_context_start (&hctx);
  TALER_hash_context_read (&hctx, data, LEN);
  TALER_hash_context_finish (&hctx, &hc1);

  GNUNET_CRYPTO_hash (data, LEN, &hc2);

  if (0 == memcmp (&hc1, &hc2, sizeof (struct GNUNET_HashCode)))
    return 0;
  return 1;
}