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https://github.com/ytdl-org/youtube-dl
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582be35847
In pycodestyle 2.1.0, E305 was introduced, which requires two blank lines after top level declarations, too. See https://github.com/PyCQA/pycodestyle/issues/400 See also #10689; thanks @stepshal for first mentioning this issue and initial patches
44 lines
1.1 KiB
Python
44 lines
1.1 KiB
Python
from __future__ import unicode_literals
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import codecs
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import subprocess
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import os
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import sys
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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.utils import intlist_to_bytes
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from youtube_dl.aes import aes_encrypt, key_expansion
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secret_msg = b'Secret message goes here'
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def hex_str(int_list):
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return codecs.encode(intlist_to_bytes(int_list), 'hex')
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def openssl_encode(algo, key, iv):
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cmd = ['openssl', 'enc', '-e', '-' + algo, '-K', hex_str(key), '-iv', hex_str(iv)]
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prog = subprocess.Popen(cmd, stdin=subprocess.PIPE, stdout=subprocess.PIPE)
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out, _ = prog.communicate(secret_msg)
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return out
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iv = key = [0x20, 0x15] + 14 * [0]
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r = openssl_encode('aes-128-cbc', key, iv)
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print('aes_cbc_decrypt')
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print(repr(r))
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password = key
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new_key = aes_encrypt(password, key_expansion(password))
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r = openssl_encode('aes-128-ctr', new_key, iv)
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print('aes_decrypt_text 16')
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print(repr(r))
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password = key + 16 * [0]
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new_key = aes_encrypt(password, key_expansion(password)) * (32 // 16)
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r = openssl_encode('aes-256-ctr', new_key, iv)
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print('aes_decrypt_text 32')
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print(repr(r))
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