Patent ID: 11917412
Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 8:
9. A wireless device operative in a wireless communication network, comprising:
communication circuitry; and
processing circuitry operatively connected to the communication circuitry and configured to send a registration request message to the network;
establish a first security context with a first network Access and Mobility Management Function, AMF;
receive a cryptographically unprotected authentication request message from a second AMF;
process the unprotected authentication request message; and
mark the first security context as temporary, and wherein processing the unprotected authentication request message comprises processing the unprotected authentication request message in response to the first security context being marked as temporary,
wherein processing the unprotected authentication request message in response to the first security context being marked as temporary further comprises processing the unprotected authentication request message only if an AMF reallocation is expected.