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:
Sep. 09, 2008
Filed:
Jun. 22, 2006
James Ronald Booth, Nicholasville, KY (US);
William Pohl Corbett, Jr., Lexington, KY (US);
John Francis Gestomski, Lexington, KY (US);
Mike Partington, Lexington, KY (US);
James Ronald Booth, Nicholasville, KY (US);
William Pohl Corbett, Jr., Lexington, KY (US);
John Francis Gestomski, Lexington, KY (US);
Mike Partington, Lexington, KY (US);
Lexmark International, Inc., Lexington, KY (US);
Abstract
A boot validation system and method may be used in a computer system to validate boot code before allowing the computer system to execute the boot code. In particular, a secure hash algorithm may be used to compute a hash value of the boot code and the computed hash value may be compared to a preprogrammed hash value stored in a secure non-volatile device. If the hash values match the boot code may be validated and the system may then be allowed to execute the boot code. Once the boot code is validated, the boot code may be executed to validate other code (e.g., firmware) in the computer system. In an exemplary embodiment, the boot validation systems and method may be used in an imaging device, such as a printer.