def test_asym_encryption(self):
identifier = helpers.pick_random()
ciphertext = helpers.asym_encrypt(identifier, constants.P.public_key)
s = helpers.serialize([0, ciphertext])
[op, d] = helpers.deserialize(s)
plaintext = helpers.asym_decrypt(d, constants.P.private_key)
self.assertEqual(identifier, plaintext)
def make_call(self, callee, caller, pseudonym, filename):
plaintext = [callee, caller, pseudonym, filename]
ciphertext = asym_encrypt(plaintext, constants.P.public_key)
packet = [constants.Header.INITCALL, ciphertext]
self.sendLine(serialize(packet))
self.p_deferred = defer.Deferred()
self.p_deferred.addCallback(self.connect_to_n, filename)
def pseudonym_update(self, pseudonym, identifier, secret):
""" Update pseudonym at Pseudonym Provider with asymmetric encryption (ECIES) """
plaintext = [pseudonym, identifier, secret]
ciphertext = asym_encrypt(plaintext, constants.P.public_key)
packet = [constants.Header.PSEUDONYMUPDATE, ciphertext]
self.sendLine(serialize(packet))
def send_msg(self, callee, caller, msg):
msg = make_msg(msg)
plaintext = [callee, caller, msg]
ciphertext = asym_encrypt(plaintext, constants.P.public_key)
packet = [constants.Header.MSG, ciphertext]
self.sendLine(serialize(packet))
def location_update(self, pseudonym, location, seed):
""" Update location at Location Provider with asymmetric encryption (ECIES) """
plaintext = [pseudonym, location, seed]
ciphertext = asym_encrypt(plaintext, constants.L.public_key)
packet = [constants.Header.LOCATIONUPDATE, ciphertext]
self.sendLine(serialize(packet))