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:
Jun. 17, 2025
Filed:
Jun. 26, 2020
Telefonaktiebolaget Lm Ericsson (Publ), Stockholm, SE;
Niklas Lindskog, Lund, SE;
Håkan Englund, Lund, SE;
Telefonaktiebolaget LM Ericsson (publ), Stockholm, SE;
Abstract
A security component () for a device () is disclosed. The security component () comprises a Physically Unclonable Function (PUF) () having a plurality of sub functions (), and a management module () that is configured to manage the PUF () in accordance with a policy. The management module () comprises a measurement module () configured to receive, from a device boot process, at least one of a measurement of a component on the device or a measurement of a hardware state of the device, and a rule module () configured to compare the received measurement to at least one rule that implements the policy, and to enter a policy state on the basis of the comparison. The management module further comprises a control module () configured to configure the PUF () in accordance with a policy state entered by the rule module. Also disclosed is a method () for operating a security component.