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:
Sep. 23, 2025
Filed:
Aug. 29, 2023
Cisco Technology, Inc., San Jose, CA (US);
Sachin Agarwal, Fremont, CA (US);
Srirajkumar Sundararaman, San Jose, CA (US);
Aviran Kadosh, Moreshet, IL;
Samir Valjibhai Rajgor, Santa Clara, CA (US);
Chirag Shroff, Cary, NC (US);
Kevin Shyh-Kang Chang, Saratoga, CA (US);
Dylan Walker, Austin, TX (US);
Cisco Technology, Inc., San Jose, CA (US);
Abstract
A method of operating a system-on-chip (SOC) including decrypting, by isolated Root of Trust (RoT) code, a Stock Keeping Unit (SKU) license code from a host during bootup of a device. Then validating, by the isolated RoT code, the SKU license code with firmware and at least one built-in key of a plurality of built-in keys from secure storage. Finally, enabling or disabling, by the isolated RoT code, at least one feature set of a plurality of feature sets comprising resources configured at the SOC based on at least one SKU license code which has been decrypted by isolated RoT code using at least one built-in key and authenticated by firmware.