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:
Mar. 06, 2018
Filed:
Nov. 07, 2012
Qualcomm Incorporated, San Diego, CA (US);
Srilekha Krishnamurthy, San Diego, CA (US);
Jeremy R. O'Donoghue, Wokingham, GB;
Neeraj Bhatia, San Francisco, CA (US);
QUALCOMM Incorporated, San Diego, CA (US);
Abstract
Methods, systems, computer-readable media, and apparatuses for providing anti-rollback protection in a device which has no internal non-volatile memory are presented. One embodiment is a device for providing anti-rollback protection. The device may obtain a firmware version number associated with a first firmware installation for the device, wherein the device is implemented on a substrate that includes no non-volatile memory. The device may obtain a lowest acceptable firmware version number, wherein the lowest acceptable firmware version number is stored in a secure element environment, wherein the secure element environment utilizes memory separated from the substrate. The device may compare the firmware version number and the lowest acceptable firmware version number, wherein if the firmware version number is less than the lowest acceptable firmware version number, then disallow the first firmware installation.