+class Set1Challenge5Tests(unittest.TestCase):
+ def test_encrypts_with_repeating_xor(self):
+ plaintext = "Burning 'em, if you ain't quick and nimble\nI go crazy when I hear a cymbal"
+ key = 'ICE'
+
+ expected = '0b3637272a2b2e63622c2e69692a23693a2a3c6324202d623d63343c2a26226324272765272a282b2f20430a652e2c652a3124333a653e2b2027630c692b20283165286326302e27282f'
+ actual = encrypt_with_repeating_xor(plaintext, key).hex()
+
+ self.assertEqual(expected, actual)
+