ALEXANDRIA, Va., March 3 -- United States Patent no. 12,568,359, issued on March 3, was assigned to Shenzhen Yinwang Intelligent Technologies Co. Ltd. (Shenzhen, China).
"Data transmission method and apparatus" was invented by Kai Pan (Shanghai) and Jing Chen (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "A data transmission method and apparatus are provided. When the data transmission method is applied to a first device, the method includes: when a fresh value corresponding to a message to be sent by the first device is a first fresh value, updating an encryption key from a first key to a second key, and generating a first keystream based on the first fresh value and the second key; encrypting fir...