From f0b9503c0b58652bdd84e502c5fcc5e1b7da3c94 Mon Sep 17 00:00:00 2001
From: Confused Character
 <121636230+ConfusedCharacter@users.noreply.github.com>
Date: Fri, 16 Feb 2024 20:24:21 +0330
Subject: [PATCH] Update tcpmtproxy.py

---
 telethon/network/connection/tcpmtproxy.py | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/telethon/network/connection/tcpmtproxy.py b/telethon/network/connection/tcpmtproxy.py
index 81c2b500..55710417 100644
--- a/telethon/network/connection/tcpmtproxy.py
+++ b/telethon/network/connection/tcpmtproxy.py
@@ -1,4 +1,3 @@
-import binascii
 import asyncio
 import hashlib
 import base64
@@ -140,11 +139,8 @@ class TcpMTProxy(ObfuscatedConnection):
         try:
             secret_bytes = bytes.fromhex(secret)
         except ValueError:
-            try:
-                secret_bytes = base64.b64decode(secret.encode())
-            except binascii.Error:
-                secret = secret + "=="
-                secret_bytes = base64.b64decode(secret.encode())
+            secret = secret + '=' * (-len(s) % 4)
+            secret_bytes = base64.b64decode(secret.encode())
 
         return secret_bytes[:16]  # Remove the domain from the secret (until domain support is added)
 
@@ -166,4 +162,4 @@ class ConnectionTcpMTProxyRandomizedIntermediate(TcpMTProxy):
     """
     Connect to proxy using randomized intermediate protocol (dd-secrets)
     """
-    packet_codec = RandomizedIntermediatePacketCodec
\ No newline at end of file
+    packet_codec = RandomizedIntermediatePacketCodec