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1 | #!/usr/bin/env python | |
2 | ||
3 | from __future__ import unicode_literals | |
4 | ||
5 | # Allow direct execution | |
6 | import os | |
7 | import sys | |
8 | import unittest | |
9 | sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__)))) | |
10 | ||
11 | from yt_dlp.aes import aes_decrypt, aes_encrypt, aes_cbc_decrypt, aes_cbc_encrypt, aes_decrypt_text | |
12 | from yt_dlp.utils import bytes_to_intlist, intlist_to_bytes | |
13 | import base64 | |
14 | ||
15 | # the encrypted data can be generate with 'devscripts/generate_aes_testdata.py' | |
16 | ||
17 | ||
18 | class TestAES(unittest.TestCase): | |
19 | def setUp(self): | |
20 | self.key = self.iv = [0x20, 0x15] + 14 * [0] | |
21 | self.secret_msg = b'Secret message goes here' | |
22 | ||
23 | def test_encrypt(self): | |
24 | msg = b'message' | |
25 | key = list(range(16)) | |
26 | encrypted = aes_encrypt(bytes_to_intlist(msg), key) | |
27 | decrypted = intlist_to_bytes(aes_decrypt(encrypted, key)) | |
28 | self.assertEqual(decrypted, msg) | |
29 | ||
30 | def test_cbc_decrypt(self): | |
31 | data = bytes_to_intlist( | |
32 | b"\x97\x92+\xe5\x0b\xc3\x18\x91ky9m&\xb3\xb5@\xe6'\xc2\x96.\xc8u\x88\xab9-[\x9e|\xf1\xcd" | |
33 | ) | |
34 | decrypted = intlist_to_bytes(aes_cbc_decrypt(data, self.key, self.iv)) | |
35 | self.assertEqual(decrypted.rstrip(b'\x08'), self.secret_msg) | |
36 | ||
37 | def test_cbc_encrypt(self): | |
38 | data = bytes_to_intlist(self.secret_msg) | |
39 | encrypted = intlist_to_bytes(aes_cbc_encrypt(data, self.key, self.iv)) | |
40 | self.assertEqual( | |
41 | encrypted, | |
42 | b"\x97\x92+\xe5\x0b\xc3\x18\x91ky9m&\xb3\xb5@\xe6'\xc2\x96.\xc8u\x88\xab9-[\x9e|\xf1\xcd") | |
43 | ||
44 | def test_decrypt_text(self): | |
45 | password = intlist_to_bytes(self.key).decode('utf-8') | |
46 | encrypted = base64.b64encode( | |
47 | intlist_to_bytes(self.iv[:8]) | |
48 | + b'\x17\x15\x93\xab\x8d\x80V\xcdV\xe0\t\xcdo\xc2\xa5\xd8ksM\r\xe27N\xae' | |
49 | ).decode('utf-8') | |
50 | decrypted = (aes_decrypt_text(encrypted, password, 16)) | |
51 | self.assertEqual(decrypted, self.secret_msg) | |
52 | ||
53 | password = intlist_to_bytes(self.key).decode('utf-8') | |
54 | encrypted = base64.b64encode( | |
55 | intlist_to_bytes(self.iv[:8]) | |
56 | + b'\x0b\xe6\xa4\xd9z\x0e\xb8\xb9\xd0\xd4i_\x85\x1d\x99\x98_\xe5\x80\xe7.\xbf\xa5\x83' | |
57 | ).decode('utf-8') | |
58 | decrypted = (aes_decrypt_text(encrypted, password, 32)) | |
59 | self.assertEqual(decrypted, self.secret_msg) | |
60 | ||
61 | ||
62 | if __name__ == '__main__': | |
63 | unittest.main() |