ALEXANDRIA, Va., May 5 -- United States Patent no. 12,621,657, issued on May 5, was assigned to Huawei Technologies Co. Ltd. (Shenzhen, China).
"Secure communication method and device" was invented by He Li (Shanghai), Yizhuang Wu (Beijing) and Rong Wu (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method includes: User equipment determines whether confidentiality protection is activated for communication data between the user equipment and an application function device. The user equipment sends a user plane message to the application function device. The user plane message includes an identifier of the user equipment, and the identifier is an encrypted identifier in a case in which the c...