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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.
*/
/**
* @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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