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:
Jul. 24, 2012
Filed:
Mar. 27, 2009
Robert W. Berry, Jr., Round Rock, TX (US);
Jonathan J. Dement, Austin, TX (US);
John S. Liberty, Round Rock, TX (US);
Robert W. Berry, Jr., Round Rock, TX (US);
Jonathan J. DeMent, Austin, TX (US);
John S. Liberty, Round Rock, TX (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
A method for electronically fused encryption key security includes inserting a plurality of inverters between a bank of security fuses and a fuse sense logic module. The method also includes sensing an activated set of the bank of security fuses and the plurality of inverters. The method further includes comparing the sensed activated set of the bank of security fuses and the plurality of inverters with a software key to determine whether at least a substantial match is made.