Patent ID: 11882213
Assignee: ROBERT BOSCH GMBH
Field: Digital communication (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 10:
11. A vehicle comprising:
a plurality of electronic control units (ECUs) configured to communicate with each other via a vehicle-mounted network, at least one ECU of the plurality of ECUs including a key generation module and a key transmission module,
wherein the at least one ECU is configured to:
receive, while the key generation module in the at least one ECU is in a locked mode, a secure access request sent from an authorized user outside the vehicle to the vehicle through a secure access device and confirming to accept the secure access request;
wait for the secure access device to send a key generation request after confirming to accept the secure access request from the secure access device, the key generation module in the at least one ECU being unlocked and switched to a key generation mode in response to receiving the key generation request;
generate, after the key generation module in the at least one ECU being unlocked and switched to the key generation mode, a key using the key generation module in the at least one ECU; and
send the key to other ECUs of the plurality of ECUs via the vehicle-mounted network using the key transmission module.