def test_encrypt_decrypt(self):
k1 = new_key()
k2 = new_key()
k3 = new_key()
sender = Encryptor(k1, k2.publickey())
receiver = Encryptor(k2, k1.publickey())
message = b"In the Land of Mordor where the Shadows lie." \
b"One Ring to rule them all, One Ring to find them,\n" \
b"One Ring to bring them all and in the darkness bind them\n" \
b"In the Land of Mordor where the Shadows lie.\n"
with print_key_on_error(sender, receiver):
cipher_text = sender.encrypt(message)
decrypted_message, signature = receiver.decrypt(cipher_text)
self.assertEqual(message, decrypted_message)
with self.assertRaises(Exception):
mangled_cipher_text = cipher_text[2:4] + cipher_text[:2] + cipher_text[4:]
receiver.decrypt(mangled_cipher_text)
def dump_config(args):
print(Encryptor.new_key().exportKey("PEM").decode("UTF-8"))
import unittest
from pynet import Encryptor, Node, PeerDefinition, NodeHooks
from pynet.util import to_bytes, _run_node, send_data
addr_1 = ("localhost", 54320)
# addr_1 = "/tmp/pynet_test_node.sock"
addr_2 = ("localhost", 54321)
node_pk = Encryptor.new_key()
master_encryptor = Encryptor(Encryptor.new_key(), node_pk.publickey())
master_def = PeerDefinition("master", None, master_encryptor.private_key.publickey())
def handle_message(sender, body):
return (True, body.upper(), None)
class HooksOverride(NodeHooks):
def handle_raw_message(self, data):
if data == b"register":
self.node.write("Registered!", encrypt=False)
return (True, None)
else:
return super().handle_raw_message(data)
class TestNode(unittest.TestCase):
@classmethod
def setUpClass(cls):
cls.addr = addr_1
def dump_config(args):
node = Node(None, "/tmp/pynet-kvp.sock")
node.add_peer(PeerDefinition("first among peers", "127.0.0.1:1337", Encryptor.new_key().publickey()))
print(json.dumps(node.get_config(), sort_keys=True, indent=2, separators=(", ", ": ")))
def test_signature(self):
k1 = new_key()
k2 = new_key()
k3 = new_key()
sender = Encryptor(k1, k2.publickey())
receiver = Encryptor(k2, k1.publickey())
deceiver = Encryptor(k3, k2.publickey())
message = b"Erised stra ehru oyt ube cafru oyt on wohsi"
with print_key_on_error(sender, receiver, deceiver):
cipher_text = sender.encrypt(message)
decrypted_message, signature = receiver.decrypt(cipher_text)
self.assertTrue(receiver.verify_message(decrypted_message, signature))
deceiver_text = deceiver.encrypt(message)
decrypted_message, signature = receiver.decrypt(deceiver_text)
self.assertFalse(receiver.verify_message(decrypted_message, signature))
_, real_encrypted_message, _ = receiver.split_cipher_text(cipher_text)
deceiver_aes, _, deceiver_signature = receiver.split_cipher_text(deceiver_text)
cipher_text = deceiver_aes + real_encrypted_message + deceiver_signature
decrypted_message, signature = receiver.decrypt(cipher_text)
self.assertFalse(receiver.verify_message(decrypted_message, signature))