ALEXANDRIA, Va., June 12 -- United States Patent no. 12,301,545, issued on May 13, was assigned to Telefonaktiebolaget LM Ericsson (publ) (Stockholm).

"IPsec privacy protection" was invented by Daniel Migault (Montreal), Stere Preda (Longueuil, Canada), Amine Boukhtouta (Laval, Canada) and Fereydoun Farrahi Moghaddam (Brossard, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods for maintaining privacy of security protocol parameters are provided. A node receives an encrypted packet and determines if the Security Parameters Index (SPI) value has been updated. The node can modify its stored SPI value(s) accordingly and process the encrypted packet."

The patent was filed on Jan. 30, 2020...