-#!/usr/bin/env python
-
-from __future__ import unicode_literals
+#!/usr/bin/env python3
# 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
+from yt_dlp.aes import (
+ aes_cbc_decrypt,
+ aes_cbc_decrypt_bytes,
+ aes_cbc_encrypt,
+ aes_ctr_decrypt,
+ aes_ctr_encrypt,
+ aes_decrypt,
+ aes_decrypt_text,
+ aes_ecb_decrypt,
+ aes_ecb_encrypt,
+ aes_encrypt,
+ aes_gcm_decrypt_and_verify,
+ aes_gcm_decrypt_and_verify_bytes,
+ key_expansion,
+ pad_block,
+)
+from yt_dlp.dependencies import Cryptodome
+from yt_dlp.utils import bytes_to_intlist, intlist_to_bytes
+
# the encrypted data can be generate with 'devscripts/generate_aes_testdata.py'
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))
+ data = b'\x97\x92+\xe5\x0b\xc3\x18\x91ky9m&\xb3\xb5@\xe6\x27\xc2\x96.\xc8u\x88\xab9-[\x9e|\xf1\xcd'
+ decrypted = intlist_to_bytes(aes_cbc_decrypt(bytes_to_intlist(data), self.key, self.iv))
self.assertEqual(decrypted.rstrip(b'\x08'), self.secret_msg)
+ if Cryptodome.AES:
+ decrypted = aes_cbc_decrypt_bytes(data, intlist_to_bytes(self.key), intlist_to_bytes(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")
+ b'\x97\x92+\xe5\x0b\xc3\x18\x91ky9m&\xb3\xb5@\xe6\'\xc2\x96.\xc8u\x88\xab9-[\x9e|\xf1\xcd')
+
+ def test_ctr_decrypt(self):
+ data = bytes_to_intlist(b'\x03\xc7\xdd\xd4\x8e\xb3\xbc\x1a*O\xdc1\x12+8Aio\xd1z\xb5#\xaf\x08')
+ decrypted = intlist_to_bytes(aes_ctr_decrypt(data, self.key, self.iv))
+ self.assertEqual(decrypted.rstrip(b'\x08'), self.secret_msg)
+
+ def test_ctr_encrypt(self):
+ data = bytes_to_intlist(self.secret_msg)
+ encrypted = intlist_to_bytes(aes_ctr_encrypt(data, self.key, self.iv))
+ self.assertEqual(
+ encrypted,
+ b'\x03\xc7\xdd\xd4\x8e\xb3\xbc\x1a*O\xdc1\x12+8Aio\xd1z\xb5#\xaf\x08')
+
+ def test_gcm_decrypt(self):
+ data = b'\x159Y\xcf5eud\x90\x9c\x85&]\x14\x1d\x0f.\x08\xb4T\xe4/\x17\xbd'
+ authentication_tag = b'\xe8&I\x80rI\x07\x9d}YWuU@:e'
+
+ decrypted = intlist_to_bytes(aes_gcm_decrypt_and_verify(
+ bytes_to_intlist(data), self.key, bytes_to_intlist(authentication_tag), self.iv[:12]))
+ self.assertEqual(decrypted.rstrip(b'\x08'), self.secret_msg)
+ if Cryptodome.AES:
+ decrypted = aes_gcm_decrypt_and_verify_bytes(
+ data, intlist_to_bytes(self.key), authentication_tag, intlist_to_bytes(self.iv[:12]))
+ self.assertEqual(decrypted.rstrip(b'\x08'), self.secret_msg)
def test_decrypt_text(self):
- password = intlist_to_bytes(self.key).decode('utf-8')
+ password = intlist_to_bytes(self.key).decode()
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')
+ intlist_to_bytes(self.iv[:8])
+ + b'\x17\x15\x93\xab\x8d\x80V\xcdV\xe0\t\xcdo\xc2\xa5\xd8ksM\r\xe27N\xae',
+ ).decode()
decrypted = (aes_decrypt_text(encrypted, password, 16))
self.assertEqual(decrypted, self.secret_msg)
- password = intlist_to_bytes(self.key).decode('utf-8')
+ password = intlist_to_bytes(self.key).decode()
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')
+ 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()
decrypted = (aes_decrypt_text(encrypted, password, 32))
self.assertEqual(decrypted, self.secret_msg)
+ def test_ecb_encrypt(self):
+ data = bytes_to_intlist(self.secret_msg)
+ encrypted = intlist_to_bytes(aes_ecb_encrypt(data, self.key))
+ self.assertEqual(
+ encrypted,
+ b'\xaa\x86]\x81\x97>\x02\x92\x9d\x1bR[[L/u\xd3&\xd1(h\xde{\x81\x94\xba\x02\xae\xbd\xa6\xd0:')
+
+ def test_ecb_decrypt(self):
+ data = bytes_to_intlist(b'\xaa\x86]\x81\x97>\x02\x92\x9d\x1bR[[L/u\xd3&\xd1(h\xde{\x81\x94\xba\x02\xae\xbd\xa6\xd0:')
+ decrypted = intlist_to_bytes(aes_ecb_decrypt(data, self.key, self.iv))
+ self.assertEqual(decrypted.rstrip(b'\x08'), self.secret_msg)
+
+ def test_key_expansion(self):
+ key = '4f6bdaa39e2f8cb07f5e722d9edef314'
+
+ self.assertEqual(key_expansion(bytes_to_intlist(bytearray.fromhex(key))), [
+ 0x4F, 0x6B, 0xDA, 0xA3, 0x9E, 0x2F, 0x8C, 0xB0, 0x7F, 0x5E, 0x72, 0x2D, 0x9E, 0xDE, 0xF3, 0x14,
+ 0x53, 0x66, 0x20, 0xA8, 0xCD, 0x49, 0xAC, 0x18, 0xB2, 0x17, 0xDE, 0x35, 0x2C, 0xC9, 0x2D, 0x21,
+ 0x8C, 0xBE, 0xDD, 0xD9, 0x41, 0xF7, 0x71, 0xC1, 0xF3, 0xE0, 0xAF, 0xF4, 0xDF, 0x29, 0x82, 0xD5,
+ 0x2D, 0xAD, 0xDE, 0x47, 0x6C, 0x5A, 0xAF, 0x86, 0x9F, 0xBA, 0x00, 0x72, 0x40, 0x93, 0x82, 0xA7,
+ 0xF9, 0xBE, 0x82, 0x4E, 0x95, 0xE4, 0x2D, 0xC8, 0x0A, 0x5E, 0x2D, 0xBA, 0x4A, 0xCD, 0xAF, 0x1D,
+ 0x54, 0xC7, 0x26, 0x98, 0xC1, 0x23, 0x0B, 0x50, 0xCB, 0x7D, 0x26, 0xEA, 0x81, 0xB0, 0x89, 0xF7,
+ 0x93, 0x60, 0x4E, 0x94, 0x52, 0x43, 0x45, 0xC4, 0x99, 0x3E, 0x63, 0x2E, 0x18, 0x8E, 0xEA, 0xD9,
+ 0xCA, 0xE7, 0x7B, 0x39, 0x98, 0xA4, 0x3E, 0xFD, 0x01, 0x9A, 0x5D, 0xD3, 0x19, 0x14, 0xB7, 0x0A,
+ 0xB0, 0x4E, 0x1C, 0xED, 0x28, 0xEA, 0x22, 0x10, 0x29, 0x70, 0x7F, 0xC3, 0x30, 0x64, 0xC8, 0xC9,
+ 0xE8, 0xA6, 0xC1, 0xE9, 0xC0, 0x4C, 0xE3, 0xF9, 0xE9, 0x3C, 0x9C, 0x3A, 0xD9, 0x58, 0x54, 0xF3,
+ 0xB4, 0x86, 0xCC, 0xDC, 0x74, 0xCA, 0x2F, 0x25, 0x9D, 0xF6, 0xB3, 0x1F, 0x44, 0xAE, 0xE7, 0xEC])
+
+ def test_pad_block(self):
+ block = [0x21, 0xA0, 0x43, 0xFF]
+
+ self.assertEqual(pad_block(block, 'pkcs7'),
+ [*block, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C])
+
+ self.assertEqual(pad_block(block, 'iso7816'),
+ [*block, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00])
+
+ self.assertEqual(pad_block(block, 'whitespace'),
+ [*block, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20])
+
+ self.assertEqual(pad_block(block, 'zero'),
+ [*block, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00])
+
+ block = list(range(16))
+ for mode in ('pkcs7', 'iso7816', 'whitespace', 'zero'):
+ self.assertEqual(pad_block(block, mode), block, mode)
+
if __name__ == '__main__':
unittest.main()
projects / yt-dlp.git / blobdiff