LonamiWebs/Telethon
1
1
Fork 0
mirror of https://github.com/LonamiWebs/Telethon.git synced 2025-09-19 18:32:47 +03:00
Code Issues Packages Projects Releases Wiki Activity

Merge b6e7f1f26d into 9635a57683

Browse Source
This commit is contained in:
Maxim Smirnov 2018-01-05 08:57:57 +00:00 committed by GitHub
commit c06f2c7ac5
1 changed files with 5 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
telethon/network/mtproto_sender.py
View File

@ -10,7 +10,7 @@ from .. import helpers as utils
from ..crypto import AES
from ..errors import (
BadMessageError, InvalidChecksumError, BrokenAuthKeyError,
rpc_message_to_error
rpc_message_to_error, SecurityError
)
from ..extensions import BinaryReader
from ..tl import TLMessage, MessageContainer, GzipPacked
@ -191,8 +191,11 @@ class MtProtoSender:
msg_key = reader.read(16)
key, iv = utils.calc_key(self.session.auth_key.key, msg_key, False)
data = reader.read(len(body) - reader.tell_position())
if len(data) % 16 != 0:
raise SecurityError('AES block size missmatch')
plain_text = AES.decrypt_ige(
reader.read(len(body) - reader.tell_position()), key, iv)
data, key, iv)
with BinaryReader(plain_text) as plain_text_reader:
plain_text_reader.read_long() # remote_salt