This application provides a vehicle-mounted device control method, a vehicle-mounted device, and a vehicle system. In this method, a digital certificate is used to perform security authentication between ECUs, and a function that is currently allowed to be accessed is determined based on a matching degree of certificate chains. The digital certificate can be used to improve a security level of the vehicle system. In addition, according to the method, ECU resource waste caused by unity of an authentication result is avoided, costs and resources are saved, and user experience is improved.
Vehicle-Mounted Device Control Method, Vehicle-Mounted Device, and Vehicle System
25.01.2024
Patent
Elektronische Ressource
Englisch
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