Section: I.9.2.2 Primary authentication without using DCS
Content: When the primary authentication is performed between the UE and the ON-SNPN, any one of the existing authentication methods defined in the present document may be used, i.e., 5G AKA, EAP-AKA’ or any other key-generating EAP authentication method (e.g., EAP-TLS). The choice of primary authentication method used is left to the decision of the ON-SNPN. Credentials required to authenticate the UE using default UE credentials for primary authentication, are provisioned at the AUSF or AUSF/UDM of the ON-SNPN. The provisioning of this information is out of scope of this document.