3 Definitions of terms, symbols and abbreviations

33.5353GPPAuthentication and Key Management for Applications (AKMA) based on 3GPP credentials in the 5G System (5GS)Release 17TS

3.1 Terms

For the purposes of the present document, the terms given in TR 21.905 [1] and the following apply. A term defined in the present document takes precedence over the definition of the same term, if any, in 3GPP TR 21.905 [1].

AKMA subscription data: The data in the home operator’s network indicating whether or not the subscriber is allowed to use AKMA.

AKMA context: A set of parameters stored in AAnF, including SUPI, K_AKMA and A-KID.

3.2 Symbols

Void.

3.3 Abbreviations

For the purposes of the present document, the abbreviations given in 3GPP TR 21.905 [1] and the following apply. An abbreviation defined in the present document takes precedence over the definition of the same abbreviation, if any, in 3GPP TR 21.905 [1].

A-KID AKMA Key IDentifier

A-TID AKMA Temporary UE IDentifier

AAnF AKMA Anchor Function

AF Application Function

AF_ID AF Identifier

AKMA Authentication and Key Management for Applications

AMF Access and Mobility Management Function

AUSF AUthentication Server Function

K_AF AKMA Application Key

K_AKMA AKMA Anchor Key

KDF Key Derivation Function

NEF Network Exposure Function

RID Routing InDicator

UDM Unified Data Management