int
main (int argc, char *argv[])
{
struct GNUNET_CRYPTO_EcdhePrivateKey *priv1;
struct GNUNET_CRYPTO_EcdhePrivateKey *priv2;
struct GNUNET_CRYPTO_EcdhePublicKey pub1;
struct GNUNET_CRYPTO_EcdhePublicKey pub2;
struct GNUNET_HashCode ecdh1;
struct GNUNET_HashCode ecdh2;
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-ecdhe", "WARNING", NULL);
priv1 = GNUNET_CRYPTO_ecdhe_key_create ();
priv2 = GNUNET_CRYPTO_ecdhe_key_create ();
GNUNET_CRYPTO_ecdhe_key_get_public (priv1, &pub1);
GNUNET_CRYPTO_ecdhe_key_get_public (priv2, &pub2);
GNUNET_CRYPTO_ecc_ecdh (priv1, &pub2, &ecdh1);
GNUNET_CRYPTO_ecc_ecdh (priv2, &pub1, &ecdh2);
GNUNET_assert (0 == memcmp (&ecdh1, &ecdh2,
sizeof (struct GNUNET_HashCode)));
GNUNET_free (priv1);
GNUNET_free (priv2);
return 0;
}
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[3];
/* Generate keys */
priv_dsa = GNUNET_CRYPTO_eddsa_key_create ();
priv_ecdh = GNUNET_CRYPTO_ecdhe_key_create ();
/* Extract public keys */
GNUNET_CRYPTO_eddsa_key_get_public (priv_dsa,
&id1);
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_dsa);
GNUNET_free (priv_ecdh);
return 0;
}
int
main (int argc, char *argv[])
{
int i;
struct GNUNET_CRYPTO_EcdhePrivateKey *ecdhe[l];
struct GNUNET_CRYPTO_EcdhePublicKey dhpub[l];
struct GNUNET_CRYPTO_EddsaPrivateKey *eddsa[l];
struct GNUNET_CRYPTO_EddsaPublicKey dspub[l];
struct TestSig sig[l];
start = GNUNET_TIME_absolute_get();
for (i = 0; i < l; i++)
{
sig[i].purp.purpose = 0;
sig[i].purp.size = htonl (sizeof (struct GNUNET_CRYPTO_EccSignaturePurpose)
+ sizeof (struct GNUNET_HashCode));
GNUNET_CRYPTO_random_block (GNUNET_CRYPTO_QUALITY_WEAK,
&sig[i].h,
sizeof (sig[i].h));
}
log_duration ("", "Init");
start = GNUNET_TIME_absolute_get();
for (i = 0; i < l; i++)
eddsa[i] = GNUNET_CRYPTO_eddsa_key_create();
log_duration ("EdDSA", "create key");
start = GNUNET_TIME_absolute_get();
for (i = 0; i < l; i++)
GNUNET_CRYPTO_eddsa_key_get_public (eddsa[i], &dspub[i]);
log_duration ("EdDSA", "get pubilc");
start = GNUNET_TIME_absolute_get();
for (i = 0; i < l; i++)
GNUNET_assert (GNUNET_OK ==
GNUNET_CRYPTO_eddsa_sign (eddsa[i],
&sig[i].purp,
&sig[i].sig));
log_duration ("EdDSA", "sign HashCode");
start = GNUNET_TIME_absolute_get();
for (i = 0; i < l; i++)
GNUNET_assert (GNUNET_OK ==
GNUNET_CRYPTO_eddsa_verify (0,
&sig[i].purp,
&sig[i].sig,
&dspub[i]));
log_duration ("EdDSA", "verify HashCode");
start = GNUNET_TIME_absolute_get();
for (i = 0; i < l; i++)
ecdhe[i] = GNUNET_CRYPTO_ecdhe_key_create();
log_duration ("ECDH", "create key");
start = GNUNET_TIME_absolute_get();
for (i = 0; i < l; i++)
GNUNET_CRYPTO_ecdhe_key_get_public (ecdhe[i], &dhpub[i]);
log_duration ("ECDH", "get public");
start = GNUNET_TIME_absolute_get();
for (i = 0; i < l - 1; i+=2)
{
GNUNET_CRYPTO_ecc_ecdh (ecdhe[i], &dhpub[i+1], &sig[i].h);
GNUNET_CRYPTO_ecc_ecdh (ecdhe[i+1], &dhpub[i], &sig[i+1].h);
}
log_duration ("ECDH", "do DH");
return 0;
}
/**
* Create a new Axolotl ephemeral (ratchet) key.
*
* @param t Tunnel.
*/
static void
new_ephemeral (struct CadetTunnel *t)
{
GNUNET_free_non_null (t->ax.DHRs);
t->ax.DHRs = GNUNET_CRYPTO_ecdhe_key_create ();
}
