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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 */
priv_dsa = GNUNET_CRYPTO_eddsa_key_create();
GNUNET_CRYPTO_eddsa_key_get_public(priv_dsa,
&id1);
for (unsigned int j = 0; j < 4; j++)
{
fprintf(stderr, ",");
priv_ecdh = GNUNET_CRYPTO_ecdhe_key_create();
/* 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 == memcmp(&dh[0],
&dh[1],
sizeof(struct GNUNET_HashCode)));
GNUNET_free(priv_ecdh);
}
GNUNET_free(priv_dsa);
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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