US Patent Issued to Visa International Service Association on Feb. 3 for "Authentication using group signatures of user devices" (California, Massachusetts Inventors)

ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,542,683, issued on Feb. 3, was assigned to Visa International Service Association (San Francisco).

"Authentication using group signatures of user devices" was invented by Gaven Watson (Palo Alto, Calif.), Kim Wagner (Sunnyvale, Calif.), Maliheh Shirvanian (Cupertino, Calif.), Saikrishna Badrinarayanan (Fremont, Calif.), Srinivasan Raghuraman (Cambridge, Mass.) and Sunpreet Arora (Union City, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method is disclosed. The method includes generating, by a first user device in association with a second user device, a second secret key on the second user device. The second secret key is derived from a first ...