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1. (WO2018076368) METHOD AND SYSTEM FOR SAFELY OPERATING DEVICE IN LOCAL AREA NETWORK, AND DEVICE THEREFOR

Pub. No.:    WO/2018/076368    International Application No.:    PCT/CN2016/104117
Publication Date: Fri May 04 01:59:59 CEST 2018 International Filing Date: Tue Nov 01 00:59:59 CET 2016
IPC: H04L 29/06
Applicants: MIDEA SMART TECHNOLOGY CO., LTD.
美的智慧家居科技有限公司
MIDEA GROUP CO., LTD.
美的集团股份有限公司
Inventors: ZOU, Wei
邹伟
Title: METHOD AND SYSTEM FOR SAFELY OPERATING DEVICE IN LOCAL AREA NETWORK, AND DEVICE THEREFOR
Abstract:
Provided are a method and system for safely operating a device in a local area network, and a device therefor, wherein the method comprises: during operation of a first device in the local area network in a first safety level mode, detecting whether it is being attacked illegally; if it is detected that the first device is illegally attacked, performing key agreement with a server to acquire a first authority key, so as to apply the first authority key to encrypt interaction information between the first device and the server; and sending a broadcast message operated in a second safety level mode to other devices in the local area network, wherein the safety level of the second safety level mode is higher than that of the first safety level mode, so that the device operated in the first safety level mode in the local area network is switched to the second safety level mode. This method achieves the interactivity of devices in the local area network, and when a device is attacked, it can effectively remind other devices and improve the safety protection efficiency of the devices in the local area network.