mirror of
https://github.com/LonamiWebs/Telethon.git
synced 2024-11-11 03:56:36 +03:00
22 lines
589 B
Python
22 lines
589 B
Python
import pyaes
|
|
|
|
|
|
class AESModeCTR:
|
|
"""Wrapper around pyaes.AESModeOfOperationCTR mode with custom IV"""
|
|
# TODO Maybe make a pull request to pyaes to support iv on CTR
|
|
|
|
def __init__(self, key, iv):
|
|
# TODO Use libssl if available
|
|
assert isinstance(key, bytes)
|
|
self._aes = pyaes.AESModeOfOperationCTR(key)
|
|
|
|
assert isinstance(iv, bytes)
|
|
assert len(iv) == 16
|
|
self._aes._counter._counter = list(iv)
|
|
|
|
def encrypt(self, data):
|
|
return self._aes.encrypt(data)
|
|
|
|
def decrypt(self, data):
|
|
return self._aes.decrypt(data)
|