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1. (WO2017152864) SECURE COMMUNICATION METHOD AND APPARATUS FOR VEHICLE, VEHICLE MULTIMEDIA SYSTEM, AND VEHICLE

Pub. No.:    WO/2017/152864    International Application No.:    PCT/CN2017/076204
Publication Date: Fri Sep 15 01:59:59 CEST 2017 International Filing Date: Fri Mar 10 00:59:59 CET 2017
IPC: H04L 29/08
Applicants: BYD COMPANY LIMITED
比亚迪股份有限公司
Inventors: WU, Xinfeng
武新峰
YIN, Jianyin
尹建银
Title: SECURE COMMUNICATION METHOD AND APPARATUS FOR VEHICLE, VEHICLE MULTIMEDIA SYSTEM, AND VEHICLE
Abstract:
Disclosed in the present application are a secure communication method and apparatus for a vehicle, a vehicle multimedia system, and the vehicle. The vehicle comprises an open system, a secure chip, and a closed system. The open system and the closed system are connected by means of the secure chip. The method is applied to the security chip, and comprises: receiving a first control instruction from an open system, the first control instruction comprising encrypted control data; decrypting the encrypted control data in the first control instruction; when the decryption succeeds, obtaining the decrypted control data; replacing the encrypted control data in the first control instruction by using the decrypted control data, so as to form a second control instruction, and sending the second control instruction to a closed system, so that the closed system controls, according to the second control instruction, a vehicle to perform a target operation.