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:
Apr. 24, 2012
Filed:
Feb. 05, 2009
John R. Owens, Carlsbad, CA (US);
John C. Andolina, Vista, CA (US);
Stuart Shanken, San Diego, CA (US);
Richard L. Quintana, Carlsbad, CA (US);
John R. Owens, Carlsbad, CA (US);
John C. Andolina, Vista, CA (US);
Stuart Shanken, San Diego, CA (US);
Richard L. Quintana, Carlsbad, CA (US);
ViaSat, Inc., Carlsbad, CA (US);
Abstract
In one embodiment, a method for trusted booting of a cryptographic processor system is disclosed. Default image(s) is loaded into a field-programmable logic chip or circuit (FPLC). The default image(s) cannot perform cryptographic processing, but can perform a first algorithm that is unclassified. A processor, internal or external to the FPLC, can be used with the default image. A multi-layer or multi-part key has portions stored in two different places. A protected image is decrypted with the multi-layer key using the first algorithm and loaded into the FPLC. Cryptographic processing is performed using a second algorithm classified by the government.