US Patent Issued to Alipay (Hangzhou) Information Technology on Oct. 7 for "Secure-fragment-conversion methods and apparatuses for protecting privacy data" (Chinese Inventors)

ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,437,091, issued on Oct. 7, was assigned to Alipay (Hangzhou) Information Technology Co. Ltd. (Hangzhou, China).

"Secure-fragment-conversion methods and apparatuses for protecting privacy data" was invented by Haoqi Wu (Hangzhou, China) and Weili Han (Hangzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "In an implementation, a first party or a third party updates, by adding an offset to the first fragment, two local fragments held by the local party, where the offset enables offset data obtained by performing addition on updated fragments of each party to be greater than or equal to 0. Multi-party joint computation is performed by using the two ...