gnunet/src/util/test_crypto_hash_context.c

/*
   This file is part of GNUnet
   Copyright (C) 2014 GNUnet e.V.

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

   GNUnet 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
   Affero General Public License for more details.

   You should have received a copy of the GNU Affero General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.

     SPDX-License-Identifier: AGPL3.0-or-later
 */
/**
 * @file util/test_crypto_hash_context.c
 * @brief test case for incremental hashing
 * @author Florian Dold
 */
#include "platform.h"
#include "gnunet_util_lib.h"

#define LEN 1234

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

  memset (data, 42, LEN);

  hctx = GNUNET_CRYPTO_hash_context_start ();
  GNUNET_CRYPTO_hash_context_read (hctx, data, LEN);
  GNUNET_CRYPTO_hash_context_finish (hctx, &hc1);

  GNUNET_CRYPTO_hash (data, LEN, &hc2);

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