ALEXANDRIA, Va., May 26 -- United States Patent no. 12,640,920, issued on May 26, was assigned to NAGRAVISION SARL (Cheseaux-sur-Lausanne, Switzerland).
"Cryptographic key configuration using physical unclonable function" was invented by Didier Hunacek (Cheseaux-sur-Lausanne, Switzerland), Marco Macchetti (Cheseaux-sur-Lausanne, Switzerland) and Jerome Perrine (Cheseaux-sur-Lausanne, Switzerland).
According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosure relates to a method of obtaining a cryptographic key in a chipset (1). An initial configuration message may be generated using a physical unclonable function (hereinafter: PUF) (22) of the chipset (1). Said PUF (22) may generate a predetermined value when ...