def test_public_key_is_hashable():
sk = SecretKey.random()
pk = sk.public_key()
sk2 = SecretKey.random()
pk2 = sk2.public_key()
assert hash(pk) != hash(pk2)
pk3 = PublicKey.from_bytes(bytes(pk))
assert hash(pk) == hash(pk3)
def test_signature_str():
sk = SecretKey.random()
pk = sk.public_key()
signer = Signer(sk)
signature = signer.sign(b'peace at dawn')
s = str(signature)
assert 'Signature' in s
def test_public_key_serialization():
sk = SecretKey.random()
pk = sk.public_key()
encoded_key = bytes(pk)
decoded_key = PublicKey.from_bytes(encoded_key)
assert pk == decoded_key
def test_gen_key():
sk = SecretKey.random()
assert type(sk) == SecretKey
pk = sk.public_key()
assert type(pk) == PublicKey
pk2 = sk.public_key()
assert pk == pk2
def test_sign_and_verify(execution_number):
sk = SecretKey.random()
pk = sk.public_key()
signer = Signer(sk)
message = b"peace at dawn" + str(execution_number).encode()
signature = signer.sign(message)
assert signature.verify(pk, message)
def test_sign_serialize_and_verify(execution_number):
sk = SecretKey.random()
pk = sk.public_key()
signer = Signer(sk)
message = b"peace at dawn" + str(execution_number).encode()
signature = signer.sign(message)
signature_bytes = bytes(signature)
signature_restored = Signature.from_bytes(signature_bytes)
assert signature_restored.verify(pk, message)
def test_verification_fail():
sk = SecretKey.random()
pk = sk.public_key()
signer = Signer(sk)
message = b"peace at dawn"
signature = signer.sign(message)
# wrong message
wrong_message = b"no peace at dawn"
assert not signature.verify(pk, wrong_message)
# bad signature
signature_bytes = bytes(signature)
signature_bytes = b'\x00' + signature_bytes[1:]
signature_restored = Signature.from_bytes(signature_bytes)
assert not signature_restored.verify(pk, message)
def test_signature_is_hashable():
sk = SecretKey.random()
pk = sk.public_key()
signer = Signer(sk)
message = b'peace at dawn'
message2 = b'no peace at dawn'
signature = signer.sign(message)
signature2 = signer.sign(message2)
assert hash(signature) != hash(signature2)
signature_restored = Signature.from_bytes(bytes(signature))
assert signature == signature_restored
assert hash(signature) == hash(signature_restored)
# Different hash, since signing involves some randomness
signature3 = signer.sign(message)
assert hash(signature) != hash(signature3)
def test_secret_scalar():
sk = SecretKey.random()
assert sk.secret_scalar() == sk._scalar_key
def test_public_key_str():
pk = SecretKey.random().public_key()
s = str(pk)
assert 'PublicKey' in s
def test_public_key_point():
pk = SecretKey.random().public_key()
assert bytes(pk) == bytes(pk.point())
def test_signer_pubkey():
sk = SecretKey.random()
pk = sk.public_key()
signer = Signer(sk)
assert signer.verifying_key() == pk
def test_signer_hash():
signer = Signer(SecretKey.random())
# Insecure Python hash, shouldn't be available.
with pytest.raises(RuntimeError):
hash(signer)
def test_signer_str():
signer = Signer(SecretKey.random())
s = str(signer)
assert s == "Signer:..."
def test_secret_key_serialization():
sk = SecretKey.random()
encoded_key = sk.to_secret_bytes()
decoded_key = SecretKey.from_bytes(encoded_key)
assert sk.to_secret_bytes() == decoded_key.to_secret_bytes()
def test_secret_key_hash():
sk = SecretKey.random()
# Insecure Python hash, shouldn't be available.
with pytest.raises(RuntimeError):
hash(sk)
def test_secret_key_str():
sk = SecretKey.random()
s = str(sk)
assert s == "SecretKey:..."
def test_signer_bytes():
signer = Signer(SecretKey.random())
# Shouldn't be able to serialize.
with pytest.raises(RuntimeError):
bytes(signer)