I.6 Authentication in Public Network Integrated Non-Public Networks (PNI-NPN)

33.5013GPPRelease 18Security architecture and procedures for 5G SystemTS

For public network integrated NPN (PNI-NPN), the primary authentication shall be performed with the public network as described in clause 6.1. Secondary authentication as described in clause 11 and slice-specific authentication as described in the main body can take place after a successful primary authentication.