ALEXANDRIA, Va., June 19 -- United States Patent no. 12,333,229, issued on June 17, was assigned to International Business Machines Corp. (Armonk, N.Y.).
"Logic circuit locking with self-destruct" was invented by Effendi Leobandung (Stormville, N.Y.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An approach for validating a logic key in an IC (integrated circuit) is disclosed. One approach includes an IC comprising of key input circuit couple to a fuse check circuit; charge pump circuit coupled to the fuse check circuit and a switch matrix; and one or more antifuse circuit connected to the switch matrix. Another approach comprises of a method including, inputting a secret key by a user; determining status of...