Security Anchor Function
E523092
The Security Anchor Function is a 5G core network function responsible for providing centralized security context management, authentication anchoring, and key handling to protect user and control plane communications.
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf | 5G core network function ⓘ |
| aimsTo |
mitigate security risks in 5G access and core
ⓘ
prevent key exposure to serving networks ⓘ |
| anchors | authentication procedures in 5G core ⓘ |
| associatedWith |
3GPP TS 33.501
NERFINISHED
ⓘ
5G system security architecture ⓘ |
| definedIn | 3GPP 5G system architecture NERFINISHED ⓘ |
| derives |
keying material for access network security
ⓘ
keying material for control plane integrity protection ⓘ keying material for user plane encryption ⓘ |
| ensures |
confidentiality of keying material
ⓘ
integrity of security context ⓘ separation of authentication and serving network functions ⓘ |
| hasAbbreviation | SEAF NERFINISHED ⓘ |
| interactsWith |
Access and Mobility Management Function
ⓘ
Authentication Server Function ⓘ Session Management Function ⓘ User Equipment ⓘ |
| locatedIn | home network ⓘ |
| manages | security context for user equipment ⓘ |
| partOf | 5G Core Network ⓘ |
| provides |
security anchor for handover procedures
ⓘ
security anchor for mobility procedures ⓘ security anchor for session establishment ⓘ |
| responsibleFor |
authentication anchoring
ⓘ
centralized security context management ⓘ key handling ⓘ protection of control plane communications ⓘ protection of user plane communications ⓘ |
| roleIn |
5G security architecture
ⓘ
end-to-end protection of 5G communications ⓘ |
| supports |
5G AKA authentication
ⓘ
EAP-based authentication ⓘ inter-PLMN security ⓘ key hierarchy management in 5G system ⓘ lawful interception security requirements ⓘ roaming security procedures ⓘ subscriber privacy protection ⓘ |
| typeOfSecurity |
access stratum security
ⓘ
network domain security ⓘ non-access stratum security ⓘ |
| uses |
long-term subscriber keys stored in home network
ⓘ
subscriber authentication vectors ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.