ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,418,515, issued on Sept. 16, was assigned to INSPUR SUZHOU INTELLIGENT TECHNOLOGY Co. LTD. (Jiangsu, China).

"File encryption and transmission method and apparatus" was invented by Yang Liu (Jiangsu, China), Zheng Qin (Jiangsu, China), Tengda Yang (Jiangsu, China) and Jinbiao He (Jiangsu, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A file encryption and transmission method and apparatus are provided. The method includes: acquiring a set of files to be transmitted; generating, for file information of each file in the set of files to be transmitted, a key string by using a first preset algorithm; compressing and encrypting, by using the key stri...