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;
}
/**
* Sends an already built message on a tunnel, encrypting it and
* choosing the best connection if not provided.
*
* @param message Message to send. Function modifies it.
* @param t Tunnel on which this message is transmitted.
* @param cont Continuation to call once message is really sent.
* @param cont_cls Closure for @c cont.
* @return Handle to cancel message. NULL if @c cont is NULL.
*/
struct CadetTunnelQueueEntry *
GCT_send (struct CadetTunnel *t,
const struct GNUNET_MessageHeader *message,
GNUNET_SCHEDULER_TaskCallback cont,
void *cont_cls)
{
struct CadetTunnelQueueEntry *tq;
uint16_t payload_size;
struct GNUNET_MQ_Envelope *env;
struct GNUNET_CADET_Encrypted *ax_msg;
/* FIXME: what about KX not yet being ready? (see "is_ready()" check in old code!) */
payload_size = ntohs (message->size);
env = GNUNET_MQ_msg_extra (ax_msg,
payload_size,
GNUNET_MESSAGE_TYPE_CADET_ENCRYPTED);
t_ax_encrypt (t,
&ax_msg[1],
message,
payload_size);
ax_msg->Ns = htonl (t->ax.Ns++);
ax_msg->PNs = htonl (t->ax.PNs);
GNUNET_CRYPTO_ecdhe_key_get_public (t->ax.DHRs,
&ax_msg->DHRs);
t_h_encrypt (t,
ax_msg);
t_hmac (&ax_msg->Ns,
AX_HEADER_SIZE + payload_size,
0,
&t->ax.HKs,
&ax_msg->hmac);
// ax_msg->pid = htonl (GCC_get_pid (c, fwd)); // FIXME: connection flow-control not (re)implemented yet!
tq = GNUNET_malloc (sizeof (*tq));
tq->t = t;
tq->env = env;
tq->cid = &ax_msg->cid;
tq->cont = cont;
tq->cont_cls = cont_cls;
GNUNET_CONTAINER_DLL_insert_tail (t->tq_head,
t->tq_tail,
tq);
trigger_transmissions (t);
return tq;
}
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;
}
