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

Claim 0:
1. A system comprising:
a first electronic control unit (ECU) among a plurality of ECUs of a vehicle;
a second ECU among the plurality of ECUs of the vehicle; and
one or more processors of the vehicle;
the first ECU being configured to perform first operations comprising providing, to one or more processors, an indication that that the second ECU is a replacement of a previous ECU no longer among the plurality of ECUs of the vehicle;
the one or more processors being configured to perform second operations comprising:
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; and
the first ECU being configured to perform the first operations further comprising:
accessing, from the one or more processors, the set of one or more security keys that correspond to the second ECU;
in response to the command issued by the one or more processors of the vehicle to the first ECU, causing 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 the linked second ECU with a digital certificate that corresponds to the linked second ECU; and
installing firmware on the second ECU based on the provisioned digital certificate that corresponds to the linked second ECU.