US Patent Issued to Huawei Technologies'Co., 'Ltd.' on July 29 for "Key management method and communication apparatus" (Chinese Inventors)

ALEXANDRIA, Va., July 30 -- United States Patent no. 12,375,267, issued on July 29, was assigned to Huawei Technologies'Co.'Ltd.' (Shenzhen, China).

"Key management method and communication apparatus" was invented by Longhua Guo (Shanghai), He Li (Shanghai) and Rong Wu (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments of the present disclosure provide a key management method and a communication apparatus, and relate to the field of communication technologies, to securely transmit multicast service data, and prevent an unauthorized terminal device from obtaining the multicast service data. The method includes: A terminal device obtains a target key, where the target key includes at l...