2 from __future__
import unicode_literals
4 # Allow direct execution
8 sys
.path
.insert(0, os
.path
.dirname(os
.path
.dirname(os
.path
.abspath(__file__
))))
10 from yt_dlp
.aes
import (
14 aes_cbc_decrypt_bytes
,
18 aes_gcm_decrypt_and_verify
,
19 aes_gcm_decrypt_and_verify_bytes
,
22 from yt_dlp
.compat
import compat_pycrypto_AES
23 from yt_dlp
.utils
import bytes_to_intlist
, intlist_to_bytes
26 # the encrypted data can be generate with 'devscripts/generate_aes_testdata.py'
29 class TestAES(unittest
.TestCase
):
31 self
.key
= self
.iv
= [0x20, 0x15] + 14 * [0]
32 self
.secret_msg
= b
'Secret message goes here'
34 def test_encrypt(self
):
37 encrypted
= aes_encrypt(bytes_to_intlist(msg
), key
)
38 decrypted
= intlist_to_bytes(aes_decrypt(encrypted
, key
))
39 self
.assertEqual(decrypted
, msg
)
41 def test_cbc_decrypt(self
):
42 data
= b
'\x97\x92+\xe5\x0b\xc3\x18\x91ky9m&\xb3\xb5@\xe6\x27\xc2\x96.\xc8u\x88\xab9-[\x9e|\xf1\xcd'
43 decrypted
= intlist_to_bytes(aes_cbc_decrypt(bytes_to_intlist(data
), self
.key
, self
.iv
))
44 self
.assertEqual(decrypted
.rstrip(b
'\x08'), self
.secret_msg
)
45 if compat_pycrypto_AES
:
46 decrypted
= aes_cbc_decrypt_bytes(data
, intlist_to_bytes(self
.key
), intlist_to_bytes(self
.iv
))
47 self
.assertEqual(decrypted
.rstrip(b
'\x08'), self
.secret_msg
)
49 def test_cbc_encrypt(self
):
50 data
= bytes_to_intlist(self
.secret_msg
)
51 encrypted
= intlist_to_bytes(aes_cbc_encrypt(data
, self
.key
, self
.iv
))
54 b
'\x97\x92+\xe5\x0b\xc3\x18\x91ky9m&\xb3\xb5@\xe6\'\xc2\x96.\xc8u\x88\xab9-[\x9e|\xf1\xcd')
56 def test_ctr_decrypt(self
):
57 data
= bytes_to_intlist(b
'\x03\xc7\xdd\xd4\x8e\xb3\xbc\x1a*O\xdc1\x12+8Aio\xd1z\xb5#\xaf\x08')
58 decrypted
= intlist_to_bytes(aes_ctr_decrypt(data
, self
.key
, self
.iv
))
59 self
.assertEqual(decrypted
.rstrip(b
'\x08'), self
.secret_msg
)
61 def test_ctr_encrypt(self
):
62 data
= bytes_to_intlist(self
.secret_msg
)
63 encrypted
= intlist_to_bytes(aes_ctr_encrypt(data
, self
.key
, self
.iv
))
66 b
'\x03\xc7\xdd\xd4\x8e\xb3\xbc\x1a*O\xdc1\x12+8Aio\xd1z\xb5#\xaf\x08')
68 def test_gcm_decrypt(self
):
69 data
= b
'\x159Y\xcf5eud\x90\x9c\x85&]\x14\x1d\x0f.\x08\xb4T\xe4/\x17\xbd'
70 authentication_tag
= b
'\xe8&I\x80rI\x07\x9d}YWuU@:e'
72 decrypted
= intlist_to_bytes(aes_gcm_decrypt_and_verify(
73 bytes_to_intlist(data
), self
.key
, bytes_to_intlist(authentication_tag
), self
.iv
[:12]))
74 self
.assertEqual(decrypted
.rstrip(b
'\x08'), self
.secret_msg
)
75 if compat_pycrypto_AES
:
76 decrypted
= aes_gcm_decrypt_and_verify_bytes(
77 data
, intlist_to_bytes(self
.key
), authentication_tag
, intlist_to_bytes(self
.iv
[:12]))
78 self
.assertEqual(decrypted
.rstrip(b
'\x08'), self
.secret_msg
)
80 def test_decrypt_text(self
):
81 password
= intlist_to_bytes(self
.key
).decode('utf-8')
82 encrypted
= base64
.b64encode(
83 intlist_to_bytes(self
.iv
[:8])
84 + b
'\x17\x15\x93\xab\x8d\x80V\xcdV\xe0\t\xcdo\xc2\xa5\xd8ksM\r\xe27N\xae'
86 decrypted
= (aes_decrypt_text(encrypted
, password
, 16))
87 self
.assertEqual(decrypted
, self
.secret_msg
)
89 password
= intlist_to_bytes(self
.key
).decode('utf-8')
90 encrypted
= base64
.b64encode(
91 intlist_to_bytes(self
.iv
[:8])
92 + b
'\x0b\xe6\xa4\xd9z\x0e\xb8\xb9\xd0\xd4i_\x85\x1d\x99\x98_\xe5\x80\xe7.\xbf\xa5\x83'
94 decrypted
= (aes_decrypt_text(encrypted
, password
, 32))
95 self
.assertEqual(decrypted
, self
.secret_msg
)
98 if __name__
== '__main__':