ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,413,414, issued on Sept. 9, was assigned to Infineon Technologies AG (Neubiberg, Germany).
"Secure communications using pre-shared keys and live membership" was invented by Alexander Zeh (Munich) and Kenneth William Tindell (Bury St. Edmunds, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "The described techniques address issues to achieve key agreement without the need to exchange separate key agreement messages and, consequently, meets the stringent starting time requirements for real-time control systems. This is achieved using a group-wide key counter, with each node storing the latest value of this counter that was observed via the la...