The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 28, 2015
Filed:
Jul. 24, 2012
Kevin M. Baltes, Wixom, MI (US);
Thomas M. Forest, Macomb, MI (US);
Mark H. Costin, Bloomfield Township, MI (US);
Ansaf I. Alrabady, Livonia, MI (US);
Kevin M. Baltes, Wixom, MI (US);
Thomas M. Forest, Macomb, MI (US);
Mark H. Costin, Bloomfield Township, MI (US);
Ansaf I. Alrabady, Livonia, MI (US);
GM Global Technology Operations LLC, Detroit, MI (US);
Abstract
A system and method for writing a new or replacement public key to a bootloader stored in a memory segment in the memory of a vehicle ECU without having to rewrite the entire bootloader. The method includes defining a key table in the bootloader memory segment includes a number of vacant memory slots that are available to store replacement public keys if they are needed. The key table is a separate section of the bootloader memory segment so that the key table memory slots are not used by the bootloader code.