US Patent Issued to Huawei Technologies on Aug. 4 for "Quantum key transmission method, apparatus, and system" (Chinese Inventors)

ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,700,996, issued on Aug. 4, was assigned to Huawei Technologies Co. Ltd. (Shenzhen, China).

"Quantum key transmission method, apparatus, and system" was invented by Tianyuan Xie (Hangzhou, China), Min Li (Shenzhen, China) and Hui Zhang (Xi'an, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "An application device sends a key request packet to a quantum device, where the key request packet includes a user identifier corresponding to the application device, a first public key, and a first message authentication code value. If verification performed on the first message authentication code value succeeds, the quantum device sends a key response packet to...