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

Claim 17:
18. A non-transitory computer-readable storage medium, having a computer program stored thereon, which, when executed by a plurality of ECUs of a vehicle, implements a vehicle-mounted key-generation method comprising:
receiving, with at least one ECU of the vehicle, while a 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;
waiting for the secure access device to send a key generation request after confirming to accept the secure access request from the secure access device by the at least one ECU, 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;
generating, after the key generation module in the at least one ECU being unlocked and switched to the key generation mode, a key using a key generation module in the at least one ECU; and
sending the key to other ECUs of the vehicle via the vehicle-mounted network using a key transmission module in the at least one ECU.