Patent ID: 11954205
Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 18:
19. A method for securing an electronic control unit (ECU) comprising:
receiving a request associated with a user requesting to program the ECU;
selecting a role for the user from a plurality of available roles;
generating a granular security control adjustment authorization ticket (G-SCAAT) for installation on the ECU according to a plurality of security parameters determined based on to the role selected for the user, the G-SCAAT specifying one or more security values for each of the security parameters;
transmitting the G-SCAAT from a back office to the ECU as part of an installation process, the ECU configured to secure the ECU according to the security values specified in the G-SCAAT;
transmitting a log message from the ECU to the back office in response to the ECU performing an authentication process for authenticating the security values following installation of the G-SCAAT, the log message identifying one of a pass determination and a fail determination for the authentication process; and
associating a back office counter with the G-SCAAT, the back office counter configured to monotonically increase a counter value set for the G-SCAAT according to a predefined schedule.