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. 19, 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) () that is operable to accept a plurality of challenges and to generate a corresponding plurality of responses. The security component further comprises control logic () configured to generate a challenge for submission to the PUF on the basis of at least one of measurements of components booted on the device or a measurement of a hardware state of the device. The PUF comprises a plurality of sub functions (), and the challenge determines how the sub functions are used by the PUF to generate a PUF response. Also disclosed is a method () for operating a security component.