def test_nonzero_padding(self):
pkcs = PKCS1v15Padding(1024)
for _ in range(1000):
padding = pkcs.pad(b'')
self.assertEqual(0, padding[0])
self.assertEqual(0, padding[-1])
self.assertFalse(b'\x00' in padding[1:-1])
def test_input_too_big(self):
pkcs = PKCS1v15Padding(88)
plaintext = Bytes.random(8)
with self.assertRaises(AssertionError):
pkcs.pad(plaintext)