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youtube-dl/test/test_aes.py
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#!/usr/bin/env python | |
from __future__ import unicode_literals | |
# Allow direct execution | |
import os | |
import sys | |
import unittest | |
sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__)))) | |
from youtube_dl.aes import aes_decrypt, aes_encrypt, aes_cbc_decrypt, aes_cbc_encrypt, aes_decrypt_text | |
from youtube_dl.utils import bytes_to_intlist, intlist_to_bytes | |
import base64 | |
# the encrypted data can be generate with 'devscripts/generate_aes_testdata.py' | |
class TestAES(unittest.TestCase): | |
def setUp(self): | |
self.key = self.iv = [0x20, 0x15] + 14 * [0] | |
self.secret_msg = b'Secret message goes here' | |
def test_encrypt(self): | |
msg = b'message' | |
key = list(range(16)) | |
encrypted = aes_encrypt(bytes_to_intlist(msg), key) | |
decrypted = intlist_to_bytes(aes_decrypt(encrypted, key)) | |
self.assertEqual(decrypted, msg) | |
def test_cbc_decrypt(self): | |
data = bytes_to_intlist( | |
b"\x97\x92+\xe5\x0b\xc3\x18\x91ky9m&\xb3\xb5@\xe6'\xc2\x96.\xc8u\x88\xab9-[\x9e|\xf1\xcd" | |
) | |
decrypted = intlist_to_bytes(aes_cbc_decrypt(data, self.key, self.iv)) | |
self.assertEqual(decrypted.rstrip(b'\x08'), self.secret_msg) | |
def test_cbc_encrypt(self): | |
data = bytes_to_intlist(self.secret_msg) | |
encrypted = intlist_to_bytes(aes_cbc_encrypt(data, self.key, self.iv)) | |
self.assertEqual( | |
encrypted, | |
b"\x97\x92+\xe5\x0b\xc3\x18\x91ky9m&\xb3\xb5@\xe6'\xc2\x96.\xc8u\x88\xab9-[\x9e|\xf1\xcd") | |
def test_decrypt_text(self): | |
password = intlist_to_bytes(self.key).decode('utf-8') | |
encrypted = base64.b64encode( | |
intlist_to_bytes(self.iv[:8]) | |
+ b'\x17\x15\x93\xab\x8d\x80V\xcdV\xe0\t\xcdo\xc2\xa5\xd8ksM\r\xe27N\xae' | |
).decode('utf-8') | |
decrypted = (aes_decrypt_text(encrypted, password, 16)) | |
self.assertEqual(decrypted, self.secret_msg) | |
password = intlist_to_bytes(self.key).decode('utf-8') | |
encrypted = base64.b64encode( | |
intlist_to_bytes(self.iv[:8]) | |
+ b'\x0b\xe6\xa4\xd9z\x0e\xb8\xb9\xd0\xd4i_\x85\x1d\x99\x98_\xe5\x80\xe7.\xbf\xa5\x83' | |
).decode('utf-8') | |
decrypted = (aes_decrypt_text(encrypted, password, 32)) | |
self.assertEqual(decrypted, self.secret_msg) | |
if __name__ == '__main__': | |
unittest.main() |