公开(公告)号：US20210153016A1

公开(公告)日：2021-05-20

申请号：US17158189

申请日：2021-01-26

申请人： TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)

发明人： Noamen Ben Henda ,  Helena Vahidi Mazinani ,  Vesa Lehtovirta

IPC分类号： H04W12/06 ,  H04W12/0431 ,  H04W12/041

摘要： A method performed by a network server is provided for authentication and key management for a terminal device in a wireless communication network. The method includes authenticating the terminal device during a primary authentication session for the terminal device. The method further includes responsive to a successful authentication of the terminal device, obtaining a first key. The method further includes generating bootstrapping security parameters. The parameters include a second key derived from the first key and a temporary identifier. The temporary identifier identifies the terminal device and the bootstrapping security parameters.