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. 01, 2026
Filed:
Jul. 22, 2022
Arizona Board of Regents on Behalf of Northern Arizona University, Flagstaff, AZ (US);
Michael Gowanlock, Flagstaff, AZ (US);
Bertrand F. Cambou, Flagstaff, AZ (US);
Kaitlyn Lee, Flagstaff, AZ (US);
Christopher R. Philabaum, Flagstaff, AZ (US);
Abstract
Systems and methods for cryptographic key generation at a client and server are disclosed. The client has an array of PUF devices, and the server has an image that PUF. The server sends the client addresses of PUF devices to be measured, and retrieves previously stored responses corresponding to those addresses from its database. The client measures responses at the addresses. Each device hashes the resulting responses, and the server compares the hash received from the client to its own. If the hashes to not match, the server searches for a matching hash be perturbing the measured response bit stream until a match is achieved. The perturbed response bitstream, and the measured response at the client are then salted, and used for key generation.