US Patent Issued to NIPPON TELEGRAPH AND TELEPHONE on July 1 for "Secure computation system, secure computation apparatus, method, and program" (Japanese Inventors)

ALEXANDRIA, Va., July 3 -- United States Patent no. 12,346,478, issued on July 1, was assigned to NIPPON TELEGRAPH AND TELEPHONE Corp. (Tokyo).

"Secure computation system, secure computation apparatus, method, and program" was invented by Atsunori Ichikawa (Tokyo) and Koki Hamada (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A secure computation system includes first, second, and third secure-computation-apparatuses each having a tripartite-share of a concealed input vector. The first secure-computation-apparatus converts its tripartite-share into a bipartite-share with the third secure-computation-apparatus; calculates a third vector obtained by subtracting a second permutation of a first vector and...