US Patent Issued to NEC on Sept. 1 for "Homomorphic cyclic operation system, homomorphic cyclic operation apparatus, homomorphic cyclic operation method, and homomorphic cyclic operation program" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,726,328, issued on Sept. 1, was assigned to NEC Corp. (Tokyo).

"Homomorphic cyclic operation system, homomorphic cyclic operation apparatus, homomorphic cyclic operation method, and homomorphic cyclic operation program" was invented by Hiroto Tamiya (Tokyo), Toshiyuki Isshiki (Tokyo), Kengo Mori (Tokyo) and Sanami Nakagawa (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A homomorphic cyclic operation system performs a homomorphic cyclic operation on a periodic array of data using homomorphic encryption having a homomorphic operation defined with respect to at least one multiplication and comprises: an encryption apparatus that encrypts the periodi...