US 12,075,244 B2
Method for synchronization of home network key
Sander De Kievit, Tokyo (JP); and Kundan Tiwari, Tokyo (JP)
Assigned to NEC CORPORATION, Tokyo (JP)
Appl. No. 17/434,505
Filed by NEC Corporation, Tokyo (JP)
PCT Filed Feb. 28, 2020, PCT No. PCT/JP2020/008314
§ 371(c)(1), (2) Date Aug. 27, 2021,
PCT Pub. No. WO2020/179665, PCT Pub. Date Sep. 10, 2020.
Claims priority of application No. 201911008144 (IN), filed on Mar. 1, 2019.
Prior Publication US 2022/0141661 A1, May 5, 2022
Int. Cl. H04W 12/069 (2021.01); H04W 12/041 (2021.01)
CPC H04W 12/069 (2021.01) [H04W 12/041 (2021.01)] 15 Claims
OG exemplary drawing
 
1. A terminal comprising:
a memory; and
a processor, comprising hardware, configured to:
perform a procedure of a primary authentication between the terminal and a network in 5G for an Authentication and Key Management for Applications (AKMA);
generate a security key, Key of Authentication Server Function (AUSF) (KAUSF), during the procedure; and
consider the primary authentication as successful and store the security key, KAUSF, upon receiving a Non Access Stratum (NAS) security mode command (SMC) message from the network in 5G.