ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,549,338, issued on Feb. 10, was assigned to Infineon Technologies AG (Neubiberg, Germany).
"Asymmetrical multi-channel communication security" was invented by Alexander Zeh (Munich) and Thomas Liebetrau (Unterhaching, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The described techniques address issues related to secured communications via asymmetrical data communications, e.g. when one of the secured channels has a higher-bandwidth than the other secured channel. The techniques facilitate the detection of an impending expiration of a cryptographic key used for secured communications prior to its actual expiration and, in response, updating the...