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:
Aug. 24, 2004
Filed:
May. 03, 2002
David Carroll Challener, Raleigh, NC (US);
Chad Lee Gettelfinger, Durham, NC (US);
Steven Dale Goodman, Raleigh, NC (US);
Hernando Ovies, Cary, NC (US);
Randall Scott Springfield, Chapel Hill, NC (US);
James Peter Ward, Raleigh, NC (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
A method and system for updating a root of trust measurement (RTM) function in a personal computer is disclosed. The RTM function is located in a boot block of the personal computer. The method and system comprise initializing a request to update the RTM function and unlocking the boot block based on an authentication process. The method and system further includes updating the RTM function. Through the use of the method and system in accordance with the present invention, the RTM function in a personal computer is updated in a manner that ensures that the update is authentic.