US Patent Issued to NIPPON TELEGRAPH AND TELEPHONE on June 17 for "Secret hash table construction system, reference system, methods for the same" (Japanese Inventors)

ALEXANDRIA, Va., June 19 -- United States Patent no. 12,333,039, issued on June 17, was assigned to NIPPON TELEGRAPH AND TELEPHONE Corp. (Tokyo).

"Secret hash table construction system, reference system, methods for the same" was invented by Atsunori Ichikawa (Musashino, Japan), Koki Hamada (Musashino, Japan) and Ryo Kikuchi (Musashino, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A server determines an array [[addr]] indicating a storage destination of each piece of data, generates an array of concealed values, and connects the generated array to the array [[addr]] to determine an array [[addr']]. The server generates a sort permutation [[Sigma1]] for the array, applies the sort permutation [[Sigma1...