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- /*
- This file is part of GNUnet.
- Copyright (C) 2002-2015 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_ecdh_eddsa.c
- * @brief testcase for ECC DH key exchange with EdDSA private keys.
- * @author Christian Grothoff
- * @author Bart Polot
- */
- #include "platform.h"
- #include "gnunet_util_lib.h"
- #include <gcrypt.h>
- static int
- test_ecdh ()
- {
- struct GNUNET_CRYPTO_EddsaPrivateKey priv_dsa;
- struct GNUNET_CRYPTO_EcdhePrivateKey priv_ecdh;
- struct GNUNET_CRYPTO_EddsaPublicKey id1;
- struct GNUNET_CRYPTO_EcdhePublicKey id2;
- struct GNUNET_HashCode dh[2];
- /* Generate keys */
- GNUNET_CRYPTO_eddsa_key_create (&priv_dsa);
- GNUNET_CRYPTO_eddsa_key_get_public (&priv_dsa,
- &id1);
- for (unsigned int j = 0; j < 4; j++)
- {
- fprintf (stderr, ",");
- GNUNET_CRYPTO_ecdhe_key_create (&priv_ecdh);
- /* Extract public keys */
- GNUNET_CRYPTO_ecdhe_key_get_public (&priv_ecdh,
- &id2);
- /* Do ECDH */
- GNUNET_assert (GNUNET_OK ==
- GNUNET_CRYPTO_eddsa_ecdh (&priv_dsa,
- &id2,
- &dh[0]));
- GNUNET_assert (GNUNET_OK ==
- GNUNET_CRYPTO_ecdh_eddsa (&priv_ecdh,
- &id1,
- &dh[1]));
- /* Check that both DH results are equal. */
- GNUNET_assert (0 ==
- GNUNET_memcmp (&dh[0],
- &dh[1]));
- }
- return 0;
- }
- int
- main (int argc, char *argv[])
- {
- if (! gcry_check_version ("1.6.0"))
- {
- fprintf (stderr,
- _ (
- "libgcrypt has not the expected version (version %s is required).\n"),
- "1.6.0");
- return 0;
- }
- if (getenv ("GNUNET_GCRYPT_DEBUG"))
- gcry_control (GCRYCTL_SET_DEBUG_FLAGS, 1u, 0);
- GNUNET_log_setup ("test-crypto-ecdh-eddsa", "WARNING", NULL);
- for (unsigned int i = 0; i < 4; i++)
- {
- fprintf (stderr,
- ".");
- if (0 != test_ecdh ())
- return 1;
- }
- return 0;
- }
- /* end of test_crypto_ecdh_eddsa.c */
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