Method to replace bootloader public key

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United States of America Patent

PATENT NO 9021246
APP PUB NO 20130111203A1
SERIAL NO

13557046

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Abstract

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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.

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Patent Owner(s)

Patent OwnerAddress
GM GLOBAL TECHNOLOGY OPERATIONS LLCP O BOX 300 MAIL CODE 482-C23-B21 DETROIT MI 48265-3000

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Alrabady, Ansaf I Livonia, US 60 1393
Baltes, Kevin M Wixom, US 20 221
Costin, Mark H Bloomfield Township, US 26 431
Forest, Thomas M Macomb, US 51 625

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