US Patent Issued on May 5 for "Systems and methods for high-confidence symmetric-key document signing and encryption using a computing device" (Virginia Inventor)

ALEXANDRIA, Va., May 5 -- United States Patent no. 12,621,127, issued on May 5.

"Systems and methods for high-confidence symmetric-key document signing and encryption using a computing device" was invented by James E. Bennison (Oakton, Va.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method, system, and digital recording medium create one-time-use digital signing and encryption keys with a computing device combining multifactor, typically four authentication factors, through use of a remote authentication system (RAS) to providing cryptographic proof with very-high confidence that a document was signed and/or encrypted by the known user and not someone posing as said user. A device-unique identity token ...