Patent ID: 11916924
Assignee: NAGRAVISION SàRL
Field: Digital communication (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 8:
9. A method comprising:
providing, by a first electronic control unit (ECU) among a plurality of ECUs of a vehicle and to one or more processors of the vehicle, an indication that that a second ECU among the plurality of ECUs is a replacement of a previous ECU no longer among the plurality of ECUs of the vehicle,
the one or more processors of the vehicle:
validating the second ECU indicated by the first ECU as being the replacement of the previous ECU,
accessing, from a security sub-system of the vehicle, a set of one or more security keys that correspond to the second ECU, and
issuing, to the first ECU, a command to link the second ECU to one or more other ECUs among the plurality of ECUs;
accessing, by the first ECU and from the one or more processors of the vehicle, the set of one or more security keys that correspond to the second ECU;
causing, by the first ECU and in response to the command issued by the one or more processors of the vehicle, the second ECU to become linked to the one or more other ECUs among the plurality of ECUs based on the accessed set of one or more security keys that correspond to the second ECU indicated by the first ECU as being the replacement of the previous ECU;
provisioning, by the first ECU, the linked second ECU with a digital certificate that corresponds to the linked second ECU; and
installing, by the first ECU, firmware on the second ECU based on the provisioned digital certificate that corresponds to the linked second ECU.