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AUTHORIZATION SCHEME TO ENABLE SPECIAL PRIVILEGE MODE IN A SECURE ELECTRONIC CONTROL UNIT

  • US 20140075517A1
  • Filed: 09/12/2012
  • Published: 03/13/2014
  • Est. Priority Date: 09/12/2012
  • Status: Abandoned Application
First Claim
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1. A method for enabling a privilege mode in a secure controller, said method comprising:

  • establishing direct communication between a programming tool and the controller, where the controller communicates only with the programming tool;

    requesting information from the controller via the programming tool;

    creating an information ticket in the controller that identifies the controller in response to the request;

    sending the controller information ticket to a secure server;

    creating an authorization ticket in the secure server that identifies the controller and creates a security code for the authorization ticket;

    presenting the authorization ticket to the controller via the programming tool; and

    processing the authorization ticket in the controller to verify the security code and allowing access to the controller.

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