US Patent Issued to Badge on Feb. 4 for "Biometric public key system providing revocable credentials" (California Inventors)

ALEXANDRIA, Va., Feb. 5 -- United States Patent no. 12,219,054, issued on Feb. 4, was assigned to Badge Inc. (Lewes, Del.).

"Biometric public key system providing revocable credentials" was invented by Charles H. Herder III (Newark, Calif.) and Tina P. Srivastava (Newark, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A device generates a biometric public key for an individual based on both the individual's biometric data and a secret S, in a manner that verifiably characterizes both while tending to prevent recovery of either. The biometric data has a Sparse Representation and is encoded in a manner to include a component of noise, such that it is challenging to identify which locations are actually ...