US Patent Issued to TELEFONAKTIEBOLAGET LM ERICSSON on May 13 for "Security context handling in 5G during idle mode" (Swedish Inventors)

ALEXANDRIA, Va., June 12 -- United States Patent no. 12,302,093, issued on May 13, was assigned to TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) (Stockholm).

"Security context handling in 5G during idle mode" was invented by Noamen Ben Henda (Vallingby, Sweden), Christine Jost (Lund, Sweden), Karl Norrman (Stockholm) and Monica Wifvesson (Lund, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to methods and apparatus for flexible, security context management during AMF changes. One aspect of the disclosure is a mechanism for achieving backward security during AMF changes in idle mode. Instead of passing the current NAS key to the target AMF, the source AMF derives a new NAS key, ...