def testChallenge12(self):
		self.assertEqual(guessOracleBlockSize(encryptAESECBWithFixedSuffix)[0], 16)
		self.assertEqual(True, isECBEncrypted(encryptAESECBWithFixedSuffix(bytes(100))))
		suffix = guessSuffix(encryptAESECBWithFixedSuffix)
		self.assertIn('The girlies on standby waving just to say hi', toAscii(suffix))
	def testChallenge11(self):
		for _ in range(100):
			cipheredData, isECB, key = oracle(bytes(100))
			self.assertEqual(isECB, isECBEncrypted(cipheredData))