Authentication Server Function
E523090
The Authentication Server Function is a 5G core network component responsible for authenticating subscribers and managing security credentials to enable secure access to mobile services.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Authentication Server Function canonical | 5 |
| Authentication Server | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5480926 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Authentication Server Function Context triple: [Access and Mobility Management Function, interfacesWith, Authentication Server Function]
-
A.
Administration Server
Administration Server is the central management and configuration control point for an Oracle WebLogic Server domain.
-
B.
Security Service
The Security Service, commonly known as MI5, is the United Kingdom’s domestic counter-intelligence and security agency responsible for protecting national security against threats such as terrorism and espionage.
-
C.
Serving Gateway
The Serving Gateway is a core network node in LTE/EPC architectures that routes and forwards user data packets between base stations and the packet data network.
-
D.
Secure Authentication Version 5
Secure Authentication Version 5 is a security enhancement for the DNP3 protocol that provides robust authentication and protection against unauthorized control and cyber attacks in industrial control systems.
-
E.
HTTP authentication framework
The HTTP authentication framework is the standardized mechanism in HTTP for challenging clients and transmitting credentials to control access to web resources.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Authentication Server Function Target entity description: The Authentication Server Function is a 5G core network component responsible for authenticating subscribers and managing security credentials to enable secure access to mobile services.
-
A.
Administration Server
Administration Server is the central management and configuration control point for an Oracle WebLogic Server domain.
-
B.
Security Service
The Security Service, commonly known as MI5, is the United Kingdom’s domestic counter-intelligence and security agency responsible for protecting national security against threats such as terrorism and espionage.
-
C.
Serving Gateway
The Serving Gateway is a core network node in LTE/EPC architectures that routes and forwards user data packets between base stations and the packet data network.
-
D.
Secure Authentication Version 5
Secure Authentication Version 5 is a security enhancement for the DNP3 protocol that provides robust authentication and protection against unauthorized control and cyber attacks in industrial control systems.
-
E.
HTTP authentication framework
The HTTP authentication framework is the standardized mechanism in HTTP for challenging clients and transmitting credentials to control access to web resources.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
5G core network function
ⓘ
network authentication function ⓘ |
| abbreviation | AUSF ⓘ |
| associatedWith |
subscriber permanent identifier SUPI
ⓘ
subscription data stored in UDM ⓘ |
| communicatesWith |
Access and Mobility Management Function
ⓘ
Network Exposure Function ⓘ Policy Control Function ⓘ Security Anchor Function ⓘ Unified Data Management ⓘ |
| definedInStandard |
3GPP 5G specifications
ⓘ
linked to:
3GPP Technical Specifications
3GPP TS 23.501 ⓘ 3GPP TS 33.501 ⓘ |
| domain |
cellular network security
ⓘ
mobile telecommunications ⓘ |
| exposesService |
Nausf_SoRProtection
ⓘ
Nausf_UEAuthentication ⓘ
linked to:
AUSF
Nausf_UPUProtection ⓘ |
| hasGoal |
enable secure access to mobile services
ⓘ
protect subscriber identity and credentials ⓘ |
| implementedBy | 5G core network vendors ⓘ |
| introducedIn | 5G New Radio era ⓘ |
| operatesAt | control plane ⓘ |
| partOf |
5G Core Network
ⓘ
5G System ⓘ |
| replacesOrExtends | authentication functions in 4G EPC ⓘ |
| responsibleFor |
binding authentication to serving network
ⓘ
exposure of authentication services to other network functions ⓘ generation of authentication vectors ⓘ management of security credentials ⓘ selection of authentication method ⓘ subscriber authentication ⓘ support of 5G AKA ⓘ support of EAP-based authentication ⓘ support of primary authentication procedures ⓘ support of secondary authentication procedures ⓘ |
| securityProperty |
contributes to confidentiality of subscriber credentials
ⓘ
contributes to integrity protection of signaling ⓘ ensures mutual authentication between UE and network ⓘ |
| supportsFeature |
home-routed authentication
ⓘ
protection of steering-of-roaming information ⓘ protection of user plane integrity update information ⓘ roaming authentication ⓘ serving network authorization ⓘ subscription-based authentication policies ⓘ |
| usesProtocol |
5G AKA
ⓘ
EAP ⓘ HTTP-based service-based interfaces ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Authentication Server Function Description of subject: The Authentication Server Function is a 5G core network component responsible for authenticating subscribers and managing security credentials to enable secure access to mobile services.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Authentication Server Function