public function enableEncryption(DesktopPlayer $player, $secret)
 {
     if (isset($this->sessions[$player])) {
         $target = $this->sessions[$player];
         $data = chr(ServerManager::PACKET_ENABLE_ENCRYPTION) . Binary::writeInt($target) . $secret;
         $this->thread->pushMainToThreadPacket($data);
     }
 }