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:
Feb. 01, 2022
Filed:
Feb. 19, 2020
Facebook Technologies, Llc, Menlo Park, CA (US);
Teman David Clark-Lindh, Seattle, WA (US);
Benjamin Joseph Mossawir, San Carlos, CA (US);
David Stanley Bormann, Santa Clara, CA (US);
Facebook Technologies, LLC, Menlo Park, CA (US);
Abstract
In general, techniques are described for improving security of a boot sequence of an application processor. In some examples, a computing device includes a first processor coupled to a first storage device, the first processor and first storage device configured to obtain firmware from a storage device external to the first processor; run a verification routine on the firmware; and in response to validation of the firmware with the verification routine, communicate the firmware to a second processor; and the second processor coupled to a second storage device, the second processor and second storage device configured to load the firmware.