def unpickle_pub_keys(self, msgs):
""" Leader uses this method to unpack keys from other nodes """
addrs = []
key_dict = {}
key_dict[self.id] = (self.key_from_file(1),
AnonCrypto.sign(self.id, self.key1,
self.key2.get_pubkey()))
for data in msgs:
(rem_id, rem_round, rem_ip, rem_port, rem_key1,
rem_key2) = marshal.loads(data)
self.debug("Unpickled msg from node %d" % (rem_id))
if rem_round != self.round_id:
raise RuntimeError, "Mismatched round numbers! (mine: %d, other: %d)" % (
self.round_id, rem_round)
self.debug("Before reading verification key")
k1 = AnonCrypto.vk_key_from_str(rem_key1)
self.pub_keys[rem_id] = (k1, k1)
self.debug("Before reading public key")
k2 = AnonCrypto.pub_key_from_str(
AnonCrypto.verify(self.pub_keys, rem_key2))
self.pub_keys[rem_id] = (k1, k2)
addrs.append((rem_ip, rem_port))
key_dict[rem_id] = (rem_key1, rem_key2)
self.debug("After handling the keys")
return (marshal.dumps((self.round_id, key_dict)), addrs)
def unpickle_keyset(self, keys):
""" Non-leader nodes use this to decode leader's key msg """
(rem_round_id, keydict) = marshal.loads(keys)
if rem_round_id != self.round_id:
raise RuntimeError, "Mismatched round ids"
for i in keydict:
s1, s2 = keydict[i]
k1 = AnonCrypto.vk_key_from_str(s1)
#k1.check_key()
self.pub_keys[i] = (k1, k1)
k2 = AnonCrypto.pub_key_from_str(
AnonCrypto.verify(self.pub_keys, s2))
#k2.check_key()
self.pub_keys[i] = (k1, k2)
self.info('Unpickled public keys')