def test_session(self):
account = OlmAccount()
session = OutboundSession(account, BOB_CURVE, BOB_ONETIME)
assert session.id == Session.from_pickle(session.pickle(),
session.creation_time).id
assert not session.expired
def test_olm_session_encryption(self):
alice = OlmAccount()
bob = OlmAccount()
plaintext = "It's a secret to everybody"
bob_curve = bob.identity_keys["curve25519"]
bob.generate_one_time_keys(1)
bob_onetime = list(bob.one_time_keys["curve25519"].values())[0]
session = OutboundSession(alice, bob_curve, bob_onetime)
creation_time = session.use_time
# Encrypt a message and check that the use time increased.
message = session.encrypt(plaintext)
assert session.use_time >= creation_time
inbound = InboundSession(bob, message)
creation_time = inbound.use_time
# Decrypt a message and check that the use time increased.
decrypted_plaintext = inbound.decrypt(message)
assert inbound.use_time >= creation_time
assert decrypted_plaintext == plaintext
pickle = inbound.pickle("")
unpickled = Session.from_pickle(pickle, inbound.creation_time, "",
inbound.use_time)
use_time = unpickled.use_time
message = unpickled.encrypt(plaintext)
assert unpickled.use_time > use_time
pickle = session.pickle("")
unpickled = Session.from_pickle(pickle, session.creation_time, "",
session.use_time)
use_time = unpickled.use_time
decrypted_plaintext = unpickled.decrypt(message)
assert unpickled.use_time >= use_time
assert decrypted_plaintext == plaintext