def test_sign_verify(self):
private_key = Key(secret_exponent=1)
h = b"\x00" * 32
sig = private_key.sign(h)
self.assertTrue(private_key.verify(h, sig))
public_key = private_key.public_copy()
self.assertTrue(public_key.verify(h, sig))
h160_key = Key(hash160=private_key.hash160())
self.assertTrue(h160_key.verify(h, sig))
