ALEXANDRIA, Va., June 16 -- United States Patent no. 12,307,242, issued on May 20, was assigned to REALTEK SEMICONDUCTOR Corp. (Hsinchu, Taiwan).
"Method for updating encrypted firmware" was invented by Jun-Mei Xu (Suzhou, China), Xiao-Dan Xu (Suzhou, China) and Xu-Liang Shen (Suzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for updating encrypted firmware is performed by a terminal device. The method includes the following steps: receiving an encrypted differential upgrade package or a differential upgrade package through a communication channel, wherein when the terminal device receives the encrypted differential upgrade package, the terminal device decrypts the encrypted differential ...