ALEXANDRIA, Va., March 31 -- United States Patent no. 12,592,919, issued on March 31, was assigned to Lenovo (Singapore) Pte. Ltd. (Singapore).
"Re-authentication key generation" was invented by Sheeba Backia Mary Baskaran (Friedrichsdorf, Germany) and Andreas Kunz (Ladenburg, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "Apparatuses, methods, and systems are disclosed for re-authentication key generation. One method (1100) includes transmitting (1102) a re-authentication key with a key set identifier in an extensible authentication protocol message. The re-authentication key is generated using: a public land mobile network identifier; a serving network name identifier; a trusted network domain name...