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. 29, 2017
Filed:
Sep. 25, 2015
Applicant:
Qualcomm Incorporated, San Diego, CA (US);
Inventors:
Assignee:
QUALCOMM Incorporated, San Diego, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 29/06 (2006.01); H04L 9/32 (2006.01); G06F 9/44 (2006.01); G06F 21/57 (2013.01); G06F 21/64 (2013.01);
U.S. Cl.
CPC ...
H04L 9/3263 (2013.01); G06F 9/4416 (2013.01); G06F 21/575 (2013.01); G06F 21/64 (2013.01); H04L 2209/64 (2013.01);
Abstract
A secure boot method includes: obtaining a certificate digest at a digest processor from a write-once, always-on memory; calculating a flash digest using the digest processor by cryptographically processing a sensitive information image; and comparing, using the digest processor, the flash digest with the certificate digest.