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. 17, 2010
Filed:
May. 15, 2008
Jason N. Dale, Austin, TX (US);
Jonathan J. Dement, Austin, TX (US);
Clark M. O'niell, White Plains, NY (US);
Christopher J. Spandikow, Austin, TX (US);
Jason N. Dale, Austin, TX (US);
Jonathan J. DeMent, Austin, TX (US);
Clark M. O'Niell, White Plains, NY (US);
Christopher J. Spandikow, Austin, TX (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
A mechanism is provided for booting a multiprocessor device based on selection of encryption keys to be provided to the processors. With the mechanism, a security key and one or more randomly generated key values are provided to a selector mechanism of each processor of the multiprocessor device. A random selection mechanism is provided in pervasive logic that randomly selects one of the processors to be a boot processor and thereby, provides a select signal to the selector of the boot processor such that the boot processor selects the security key. All other processors select one of the one or more randomly generated key values. As a result, only the randomly selected boot processor is able to use the proper security key to decrypt the boot code for execution.