ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,445,305, issued on Oct. 14, was assigned to Winkk Inc. (Menlo Park, Calif.).

"Authentication process" was invented by Robert O. Keith Jr. (San Jose, Calif.), Rustam Islamov (South Lake Tahoe, Calif.), Roustem Akhiarov (Menlo Park, Calif.) and Maxim Silaev (Windermere Park, Australia).

According to the abstract* released by the U.S. Patent & Trademark Office: "Digital signatures using the Diophantine system of equations are implemented. A digital signature is an authentication mechanism that enables the creator of a message to attach a code that acts as a signature. A digital signature scheme typically includes three algorithms: a key generation algorithm, a signing algorithm, and a s...