ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,547,697, issued on Feb. 10, was assigned to Canon K.K. (Tokyo).
"Authentication target apparatus and authentication system" was invented by Kenjiro Hori (Saitama, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An authentication target apparatus includes a memory that stores N value pairs each of which includes a preimage value and a verification value used for verification on an intermediate image value derived based on the preimage value. Each verification value is a mapped value that is derived by applying a corresponding preimage value to a function to derive an intermediate image value and then applying the intermediate image value to another ...