Raphaël G. Git Repositories - youtubedl/blob - devscripts/generate_aes_testdata.py

   1 from __future__ import unicode_literals
   2
   3 import codecs
   4 import subprocess
   5
   6 import os
   7 import sys
   8 sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
   9
  10 from youtube_dl.utils import intlist_to_bytes
  11 from youtube_dl.aes import aes_encrypt, key_expansion
  12
  13 secret_msg = b'Secret message goes here'
  14
  15
  16 def hex_str(int_list):
  17     return codecs.encode(intlist_to_bytes(int_list), 'hex')
  18
  19
  20 def openssl_encode(algo, key, iv):
  21     cmd = ['openssl', 'enc', '-e', '-' + algo, '-K', hex_str(key), '-iv', hex_str(iv)]
  22     prog = subprocess.Popen(cmd, stdin=subprocess.PIPE, stdout=subprocess.PIPE)
  23     out, _ = prog.communicate(secret_msg)
  24     return out
  25
  26
  27 iv = key = [0x20, 0x15] + 14 * [0]
  28
  29 r = openssl_encode('aes-128-cbc', key, iv)
  30 print('aes_cbc_decrypt')
  31 print(repr(r))
  32
  33 password = key
  34 new_key = aes_encrypt(password, key_expansion(password))
  35 r = openssl_encode('aes-128-ctr', new_key, iv)
  36 print('aes_decrypt_text 16')
  37 print(repr(r))
  38
  39 password = key + 16 * [0]
  40 new_key = aes_encrypt(password, key_expansion(password)) * (32 // 16)
  41 r = openssl_encode('aes-256-ctr', new_key, iv)
  42 print('aes_decrypt_text 32')
  43 print(repr(r))