71 lines
2.6 KiB
Python
71 lines
2.6 KiB
Python
#!/usr/bin/env python
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from __future__ import unicode_literals
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# Allow direct execution
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import os
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import sys
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import unittest
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sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
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from youtube_dl.aes import aes_decrypt, aes_encrypt, aes_cbc_decrypt, aes_cbc_encrypt, aes_decrypt_text, aes_ecb_encrypt
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from youtube_dl.utils import bytes_to_intlist, intlist_to_bytes
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import base64
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# the encrypted data can be generate with 'devscripts/generate_aes_testdata.py'
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class TestAES(unittest.TestCase):
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def setUp(self):
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self.key = self.iv = [0x20, 0x15] + 14 * [0]
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self.secret_msg = b'Secret message goes here'
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def test_encrypt(self):
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msg = b'message'
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key = list(range(16))
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encrypted = aes_encrypt(bytes_to_intlist(msg), key)
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decrypted = intlist_to_bytes(aes_decrypt(encrypted, key))
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self.assertEqual(decrypted, msg)
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def test_cbc_decrypt(self):
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data = bytes_to_intlist(
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b"\x97\x92+\xe5\x0b\xc3\x18\x91ky9m&\xb3\xb5@\xe6'\xc2\x96.\xc8u\x88\xab9-[\x9e|\xf1\xcd"
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)
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decrypted = intlist_to_bytes(aes_cbc_decrypt(data, self.key, self.iv))
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self.assertEqual(decrypted.rstrip(b'\x08'), self.secret_msg)
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def test_cbc_encrypt(self):
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data = bytes_to_intlist(self.secret_msg)
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encrypted = intlist_to_bytes(aes_cbc_encrypt(data, self.key, self.iv))
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self.assertEqual(
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encrypted,
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b"\x97\x92+\xe5\x0b\xc3\x18\x91ky9m&\xb3\xb5@\xe6'\xc2\x96.\xc8u\x88\xab9-[\x9e|\xf1\xcd")
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def test_decrypt_text(self):
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password = intlist_to_bytes(self.key).decode('utf-8')
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encrypted = base64.b64encode(
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intlist_to_bytes(self.iv[:8])
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+ b'\x17\x15\x93\xab\x8d\x80V\xcdV\xe0\t\xcdo\xc2\xa5\xd8ksM\r\xe27N\xae'
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).decode('utf-8')
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decrypted = (aes_decrypt_text(encrypted, password, 16))
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self.assertEqual(decrypted, self.secret_msg)
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password = intlist_to_bytes(self.key).decode('utf-8')
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encrypted = base64.b64encode(
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intlist_to_bytes(self.iv[:8])
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+ b'\x0b\xe6\xa4\xd9z\x0e\xb8\xb9\xd0\xd4i_\x85\x1d\x99\x98_\xe5\x80\xe7.\xbf\xa5\x83'
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).decode('utf-8')
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decrypted = (aes_decrypt_text(encrypted, password, 32))
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self.assertEqual(decrypted, self.secret_msg)
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def test_ecb_encrypt(self):
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data = bytes_to_intlist(self.secret_msg)
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encrypted = intlist_to_bytes(aes_ecb_encrypt(data, self.key))
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self.assertEqual(
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encrypted,
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b'\xaa\x86]\x81\x97>\x02\x92\x9d\x1bR[[L/u\xd3&\xd1(h\xde{\x81\x94\xba\x02\xae\xbd\xa6\xd0:')
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if __name__ == '__main__':
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unittest.main()
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