US 11,941,126 B2
Center, information rewriting method, and non-transitory storage medium
Jun Hamasaki, Toyota (JP)
Assigned to TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota (JP)
Filed by TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota (JP)
Filed on Nov. 9, 2021, as Appl. No. 17/522,336.
Claims priority of application No. 2021-015061 (JP), filed on Feb. 2, 2021.
Prior Publication US 2022/0242372 A1, Aug. 4, 2022
Int. Cl. G06F 21/57 (2013.01); B60R 25/34 (2013.01); G06F 8/65 (2018.01); G06F 21/44 (2013.01); G07C 9/00 (2020.01)
CPC G06F 21/57 (2013.01) [B60R 25/34 (2013.01); G06F 8/65 (2013.01); G06F 21/44 (2013.01); G07C 9/00309 (2013.01); G07C 2009/00753 (2013.01)] 7 Claims
OG exemplary drawing
 
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.