Patent ID: 11941126
Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
Field: Digital communication (Electrical engineering)
Classification: CPC G  B  H | IPC B  G

Claim 0:
1. A center configured to communicate with an OTA master configured to control software updating of an electronic control unit via a first network, the electronic control unit being installed in a vehicle, the center comprising a processor configured to:
control the storage of vehicle management information including key information used for authentication of the vehicle, the key information including (i) identification information for identifying a unique key imparted to a predetermined equipment installed in the vehicle and (ii) identification information for identifying the vehicle in which the predetermined equipment is installed;
receive an authentication signal from the vehicle via the first network, the authentication signal being signed using the unique key;
receive the key information from the vehicle via a second network that is different from the first network;
when the processor receives the authentication signal, perform authentication of the vehicle based on the vehicle management information and the authentication signal; and
rewrite the vehicle management information stored by the processor based on the key information, when the processor receives the key information from the vehicle via the second network.