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- from __future__ import unicode_literals
-
- import codecs
- import subprocess
-
- import os
- import sys
- sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
-
- from youtube_dl.utils import intlist_to_bytes
- from youtube_dl.aes import aes_encrypt, key_expansion
-
- secret_msg = b'Secret message goes here'
-
-
- def hex_str(int_list):
- return codecs.encode(intlist_to_bytes(int_list), 'hex')
-
-
- def openssl_encode(algo, key, iv):
- cmd = ['openssl', 'enc', '-e', '-' + algo, '-K', hex_str(key), '-iv', hex_str(iv)]
- prog = subprocess.Popen(cmd, stdin=subprocess.PIPE, stdout=subprocess.PIPE)
- out, _ = prog.communicate(secret_msg)
- return out
-
- iv = key = [0x20, 0x15] + 14 * [0]
-
- r = openssl_encode('aes-128-cbc', key, iv)
- print('aes_cbc_decrypt')
- print(repr(r))
-
- password = key
- new_key = aes_encrypt(password, key_expansion(password))
- r = openssl_encode('aes-128-ctr', new_key, iv)
- print('aes_decrypt_text 16')
- print(repr(r))
-
- password = key + 16 * [0]
- new_key = aes_encrypt(password, key_expansion(password)) * (32 // 16)
- r = openssl_encode('aes-256-ctr', new_key, iv)
- print('aes_decrypt_text 32')
- print(repr(r))
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