US Patent Issued to Cisco Technology on Oct. 27 for "Post-quantum secure media access control security (MACSEC) pre-shared key auto-refresh" (Indian, American Inventors)

ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,776,899, issued on Oct. 27, was assigned to Cisco Technology Inc. (San Jose, Calif.).

"Post-quantum secure media access control security (MACSEC) pre-shared key auto-refresh" was invented by Craig Thomas Hill (Sterling, Va.), Chennakesava Reddy Gaddam (Bangalore, India) and Annu Singh (Bangalore, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "Techniques for utilizing post-quantum pre-shared key (PPK) identifiers (PPK_ID) to determine control association key(s) (CAK(s)) and/or secure association key(s) (SAK(s)) utilized in MACsec sessions are described herein. A key server (KS) and a non-key server (NKS) may advertise capabilities indicating an abi...