* An ECC signature of the 'origin' asserting the validity of
* the given ephemeral key.
*/
- struct GNUNET_CRYPTO_EccSignature signature;
+ struct GNUNET_CRYPTO_EddsaSignature signature;
/**
* Information about what is being signed.
* Ephemeral public ECC key (always for NIST P-521) encoded in a format suitable
* for network transmission as created using 'gcry_sexp_sprint'.
*/
- struct GNUNET_CRYPTO_EccPublicEncryptKey ephemeral_key;
+ struct GNUNET_CRYPTO_EcdhePublicKey ephemeral_key;
/**
* Public key of the signing peer (persistent version, not the ephemeral public key).
/**
* Our private key.
*/
-static struct GNUNET_CRYPTO_EccPrivateKey *my_private_key;
+static struct GNUNET_CRYPTO_EddsaPrivateKey *my_private_key;
/**
* Our ephemeral private key.
*/
-static struct GNUNET_CRYPTO_EccPrivateKey *my_ephemeral_key;
+static struct GNUNET_CRYPTO_EcdhePrivateKey *my_ephemeral_key;
/**
* Current message we send for a key exchange.
* @param iv initialization vector to use
* @param in ciphertext
* @param out plaintext
- * @param size size of in/out
- * @return GNUNET_OK on success
+ * @param size size of @a in / @a out
+ * @return #GNUNET_OK on success
*/
static int
do_decrypt (struct GSC_KeyExchangeInfo *kx,
GNUNET_STATISTICS_update (GSC_stats,
gettext_noop ("# key exchanges initiated"), 1,
GNUNET_NO);
- kx = GNUNET_malloc (sizeof (struct GSC_KeyExchangeInfo));
+ kx = GNUNET_new (struct GSC_KeyExchangeInfo);
kx->peer = *pid;
kx->set_key_retry_frequency = INITIAL_SET_KEY_RETRY_FREQUENCY;
GNUNET_CONTAINER_DLL_insert (kx_head,
kx);
GNUNET_CRYPTO_hash (pid, sizeof (struct GNUNET_PeerIdentity), &h1);
GNUNET_CRYPTO_hash (&GSC_my_identity, sizeof (struct GNUNET_PeerIdentity), &h2);
-
+
+ kx->status = KX_STATE_KEY_SENT;
if (0 < GNUNET_CRYPTO_hash_cmp (&h1,
&h2))
{
/* peer with "lower" identity starts KX, otherwise we typically end up
with both peers starting the exchange and transmit the 'set key'
message twice */
- kx->status = KX_STATE_KEY_SENT;
send_key (kx);
}
+ else
+ {
+ /* peer with "higher" identity starts a delayed KX, if the "lower" peer
+ * does not start a KX since he sees no reasons to do so */
+ kx->retry_set_key_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS,
+ &set_key_retry_task, kx);
+ }
return kx;
}
sizeof (struct GNUNET_CRYPTO_EccSignaturePurpose) +
sizeof (struct GNUNET_TIME_AbsoluteNBO) +
sizeof (struct GNUNET_TIME_AbsoluteNBO) +
- sizeof (struct GNUNET_CRYPTO_EccPublicSignKey) +
- sizeof (struct GNUNET_CRYPTO_EccPublicSignKey)) ||
+ sizeof (struct GNUNET_CRYPTO_EddsaPublicKey) +
+ sizeof (struct GNUNET_CRYPTO_EddsaPublicKey)) ||
(GNUNET_OK !=
- GNUNET_CRYPTO_ecc_verify (GNUNET_SIGNATURE_PURPOSE_SET_ECC_KEY,
+ GNUNET_CRYPTO_eddsa_verify (GNUNET_SIGNATURE_PURPOSE_SET_ECC_KEY,
&m->purpose,
&m->signature, &m->origin_identity.public_key)))
{
}
if (GNUNET_OK !=
GNUNET_CRYPTO_ecc_ecdh (my_ephemeral_key,
- &m->ephemeral_key,
+ &m->ephemeral_key,
&key_material))
{
GNUNET_break (0);
current_ekm.purpose.size = htonl (sizeof (struct GNUNET_CRYPTO_EccSignaturePurpose) +
sizeof (struct GNUNET_TIME_AbsoluteNBO) +
sizeof (struct GNUNET_TIME_AbsoluteNBO) +
- sizeof (struct GNUNET_CRYPTO_EccPublicSignKey) +
- sizeof (struct GNUNET_CRYPTO_EccPublicSignKey));
+ sizeof (struct GNUNET_CRYPTO_EcdhePublicKey) +
+ sizeof (struct GNUNET_PeerIdentity));
current_ekm.creation_time = GNUNET_TIME_absolute_hton (GNUNET_TIME_absolute_get ());
if (GNUNET_YES ==
GNUNET_CONFIGURATION_get_value_yesno (GSC_cfg,
{
current_ekm.expiration_time = GNUNET_TIME_absolute_hton (GNUNET_TIME_UNIT_FOREVER_ABS);
}
- GNUNET_CRYPTO_ecc_key_get_public_for_encryption (my_ephemeral_key,
- ¤t_ekm.ephemeral_key);
+ GNUNET_CRYPTO_ecdhe_key_get_public (my_ephemeral_key,
+ ¤t_ekm.ephemeral_key);
current_ekm.origin_identity = GSC_my_identity;
GNUNET_assert (GNUNET_OK ==
- GNUNET_CRYPTO_ecc_sign (my_private_key,
+ GNUNET_CRYPTO_eddsa_sign (my_private_key,
¤t_ekm.purpose,
¤t_ekm.signature));
}
NULL);
if (NULL != my_ephemeral_key)
GNUNET_free (my_ephemeral_key);
- my_ephemeral_key = GNUNET_CRYPTO_ecc_key_create ();
+ my_ephemeral_key = GNUNET_CRYPTO_ecdhe_key_create ();
GNUNET_assert (NULL != my_ephemeral_key);
sign_ephemeral_key ();
for (pos = kx_head; NULL != pos; pos = pos->next)
* Initialize KX subsystem.
*
* @param pk private key to use for the peer
- * @return GNUNET_OK on success, GNUNET_SYSERR on failure
+ * @return #GNUNET_OK on success, #GNUNET_SYSERR on failure
*/
int
-GSC_KX_init (struct GNUNET_CRYPTO_EccPrivateKey *pk)
+GSC_KX_init (struct GNUNET_CRYPTO_EddsaPrivateKey *pk)
{
GNUNET_assert (NULL != pk);
my_private_key = pk;
- GNUNET_CRYPTO_ecc_key_get_public_for_signature (my_private_key,
+ GNUNET_CRYPTO_eddsa_key_get_public (my_private_key,
&GSC_my_identity.public_key);
- if (GNUNET_YES ==
- GNUNET_CONFIGURATION_get_value_yesno (GSC_cfg,
- "core",
- "USE_EPHEMERAL_KEYS"))
+ my_ephemeral_key = GNUNET_CRYPTO_ecdhe_key_create ();
+ if (NULL == my_ephemeral_key)
{
- my_ephemeral_key = GNUNET_CRYPTO_ecc_key_create ();
- if (NULL == my_ephemeral_key)
- {
- GNUNET_break (0);
- GNUNET_free (my_private_key);
- my_private_key = NULL;
- return GNUNET_SYSERR;
- }
- sign_ephemeral_key ();
- rekey_task = GNUNET_SCHEDULER_add_delayed (REKEY_FREQUENCY,
- &do_rekey,
- NULL);
- }
- else
- {
- my_ephemeral_key = my_private_key;
- sign_ephemeral_key ();
+ GNUNET_break (0);
+ GNUNET_free (my_private_key);
+ my_private_key = NULL;
+ return GNUNET_SYSERR;
}
+ sign_ephemeral_key ();
+ rekey_task = GNUNET_SCHEDULER_add_delayed (REKEY_FREQUENCY,
+ &do_rekey,
+ NULL);
mst = GNUNET_SERVER_mst_create (&deliver_message, NULL);
return GNUNET_OK;
}
GNUNET_SCHEDULER_cancel (rekey_task);
rekey_task = GNUNET_SCHEDULER_NO_TASK;
}
- if ( (NULL != my_ephemeral_key) &&
- (my_ephemeral_key != my_private_key) )
+ if (NULL != my_ephemeral_key)
{
GNUNET_free (my_ephemeral_key);
my_ephemeral_key = NULL;