def test_sas_mac_before_key(self): alice = Sas( alice_id, alice_device_id, alice_keys["ed25519"], bob_device, ) start = { "sender": alice_id, "content": alice.start_verification().content } start_event = KeyVerificationStart.from_dict(start) bob = Sas.from_key_verification_start(bob_id, bob_device_id, bob_keys["ed25519"], alice_device, start_event) bob.set_their_pubkey(alice.pubkey) bob.state = SasState.key_received bob.chosen_mac_method = Sas._mac_normal bob.accept_sas() bob_mac = {"sender": bob_id, "content": bob.get_mac().content} mac_event = KeyVerificationMac.from_dict(bob_mac) alice.receive_mac_event(mac_event) assert alice.canceled
def test_sas_not_ok_events(self): alice = Sas( alice_id, alice_device_id, alice_keys["ed25519"], bob_device, ) start = { "sender": alice_id, "content": alice.start_verification().content } start_event = KeyVerificationStart.from_dict(start) bob = Sas.from_key_verification_start(bob_id, bob_device_id, bob_keys["ed25519"], alice_device, start_event) accept = { "sender": bob_id, "content": bob.accept_verification().content } accept_event = KeyVerificationAccept.from_dict(accept) accept_event.sender = faker.mx_id() alice.receive_accept_event(accept_event) assert alice.canceled alice.state = SasState.created accept_event.sender = bob_id accept_event.transaction_id = "fake_id" alice.receive_accept_event(accept_event) assert alice.canceled accept_event.transaction_id = alice.transaction_id alice.receive_accept_event(accept_event) assert alice.canceled alice.state = SasState.created accept_event.hash = "fake_hash" alice.receive_accept_event(accept_event) assert alice.canceled alice.state = SasState.created accept_event.hash = Sas._hash_v1 alice.receive_accept_event(accept_event) alice_key = {"sender": alice_id, "content": alice.share_key().content} alice_key_event = KeyVerificationKey.from_dict(alice_key) alice_key_event.sender = faker.mx_id() bob.receive_key_event(alice_key_event) assert bob.canceled bob.set_their_pubkey(alice.pubkey) bob.state = SasState.key_received bob.chosen_mac_method = Sas._mac_normal alice.chosen_mac_method = Sas._mac_normal alice.set_their_pubkey(bob.pubkey) alice.state = SasState.key_received bob.accept_sas() bob_mac = {"sender": bob_id, "content": bob.get_mac().content} mac_event = KeyVerificationMac.from_dict(bob_mac) mac_event.sender = faker.mx_id() alice.receive_mac_event(mac_event) assert alice.canceled