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

Claim 6:
7. A non-transitory storage medium storing instructions that are executable by a computer of a center including a processor and memory, and that cause the computer to perform functions, the center being 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 functions comprising:
storing 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;
receiving an authentication signal from the vehicle via the first network, the authentication signal being signed using the unique key;
receiving the key information from the vehicle via a second network that is different from the first network;
when the processor receives the authentication signal, performing authentication of the vehicle based on the vehicle management information and the authentication signal; and
rewriting the vehicle management information based on the key information, when the key information is received from the vehicle via the second network.