def error_test_forged_signature():
identity = pylamport.Lamport()
signature = pylamport.Lamport().sign("test")
alt_signature = pylamport.Lamport().sign("test")
forged_signature = pylamport.Signature(signature.msg, signature.hash,
alt_signature.public_key)
with pytest.raises(ValueError) as error:
identity.verify(forged_signature)
assert "Invalid signature" == error
def test_sign():
msg = secrets.token_hex(16)
identity = pylamport.Lamport(hash_algo=hashlib.blake2b)
signature = identity.sign(msg)
assert isinstance(signature, pylamport.Signature)
assert identity.verify(signature)
verify_instance = pylamport.Lamport(hash_algo=hashlib.blake2b)
assert verify_instance.verify(signature)
assert pylamport.Lamport(hash_algo=hashlib.blake2b).verify(signature)
def test_error_key_already_generated():
identity = pylamport.Lamport()
identity.gen()
with pytest.raises(AttributeError) as error:
identity.gen()
assert 'Keys already generated' == str(error.value)
def test_no_key():
msg = secrets.token_hex(16)
identity = pylamport.Lamport()
signature = identity.sign(msg)
assert identity.verify(signature)
assert identity.export()
assert isinstance(identity.export(), tuple)
def test_lamport():
msg = secrets.token_hex(16)
identity = pylamport.Lamport()
identity.gen()
signature = identity.sign(msg)
assert identity.verify(signature)
def test_is_key():
assert pylamport.Lamport().is_key() == False
def test_just_sign():
identity = pylamport.Lamport()
signature = pylamport.Lamport().sign("test")
assert identity.verify(signature)
assert len(repr(signature)) > 10
def test_ordinary_export():
identity = pylamport.Lamport(hash_algo=hashlib.blake2b)
assert identity.gen() == identity.export()
def test_plain_export():
assert isinstance(pylamport.Lamport().export(), tuple)
def test_gen():
gen = pylamport.Lamport(hash_algo=hashlib.sha512).gen()
assert isinstance(gen, tuple)