ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,739,115, issued on Sept. 15, was assigned to ARIZONA BOARD OF REGENTS ON BEHALF OF NORTHERN ARIZONA UNIVERSITY (Flagstaff, Ariz.).

"Protocols with noisy response-based cryptographic subkeys" was invented by Bertrand F Cambou (Flagstaff, Ariz.), Michael L Garrett (Flagstaff, Ariz.), Michael Partridge (Flagstaff, Ariz.) and Dina Ghanaimiandoab (Flagstaff, Ariz.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods for the storage and retrieval of a digital file are disclosed. The file is encrypted with a random binary key. A mathematical challenge-response-pair (CRP} mechanism is used to generate an ordered list of responses from a list of challenges. A...