Tech-invite  3GPPspace  IETFspace
21  22  23  24  25  26  27  28  29  31  32  33  34  35  36  37  38  4‑5x

Content for  TS 33.503  Word version:  18.3.0

Top   Top   Up   Prev   Next
1…   4…   5…   6…   6.1.3.2…   6.1.3.2.2.2   6.1.3.2.3   6.1.3.3…   6.2…   6.3…   6.3.3.2…   6.3.3.3…   6.3.4…   6.4…   7…   A… 
7 5G ProSe services  7.1 General  7.2 5G PKMF services  7.2.1 General  7.2.2 Npkmf_PKMFKeyRequest service  7.2.3 Npkmf_ResolveRemoteUserId service  7.2.4 Npkmf_Discovery service  7.3 AUSF services  7.3.1 General  7.3.2 Nausf_UEAuthentication service  7.4 UDM Services  7.4.1 General  7.4.2 Nudm_UEAuthentication Service  7.4.3 Nudm_UEIdentifier Service  7.5 Prose Anchor Function Services  7.5.1 General  7.5.2 Npanf_ProseKey service  7.5.4 Npanf_ResolveRemoteUserId service 

 

7  5G ProSe services  p. 52

7.1  General  p. 52

This clause provides the present document of the SBA services defined for 5G ProSe.

7.2  5G PKMF services  p. 53

7.2.1  General  p. 53

For UE-to-Network discovery, the 5G PKMF supports the authorization request from the 5G PKMF in another PLMN via the new service Npkmf_Discovery. The 5G PKMF supports the key request from another 5G PKMF in another PLMN via the new service operation Npkmf_PKMFKeyRequest_ProseKey. The 5G PKMF also provides Remote User ID of a 5G ProSe Remote UE to be used in Remote UE Report and supports resolving Remote User ID to SUPI.
For the ProSe UE-to-UE Relay discovery and communication, the 5G ProSe End UE plays the role of the 5G ProSe Remote UE, and the 5G ProSe UE-to-UE Relay plays the role of the 5G ProSe UE-to-Network Relay.
Table 7.2.1-1 shows the services exposed by 5G PKMF supporting 5G ProSe.
Service Name Service Operations Operation Semantics Example Consumer(s)
Npkmf_DiscoveryAnnounceAuthorizeRequest/Response5G PKMF
MonitorKeyRequest/Response5G PKMF
DiscoveryKeyRequest/Response5G PKMF
Npkmf_PKMFKeyRequestProseKeyRequest/Response5G PKMF
Npkmf_ResolveRemoteUserIdNpkmf_ResolveRemoteUserId_GetRequest/ResponseSMF, 5G PKMF
Up

7.2.2  Npkmf_PKMFKeyRequest service  p. 53

7.2.2.1  Npkmf_PKMFKeyRequest_ProseKey service operation  p. 53

Service operation name:
Npkmf_PKMFKeyRequest_ProseKey.
Description:
Provides ProSe related keying material.
Input, Required:
Relay Service Code, KNRP freshness parameter 1:
  1. In the initial Key Request: SUCI of the 5G ProSe Remote UE or UP-PRUK ID.
  2. In the subsequent Key Requests for Synchronization Failure handling: RAND, AUTS.
Input, Optional:
None.
Output, Required:
KNRP, KNRP freshness parameter 2.
Output, Optional:
GPI.

7.2.3  Npkmf_ResolveRemoteUserId service  p. 53

7.2.3.1  Npkmf_ResolveRemoteUserId_Get service operation  p. 53

Service operation name:
Npkmf_ResolveRemoteUserId_Get
Description:
The NF consumer requests the PKMF to resolve the Remote User ID.
Input, Required:
Remote User ID (UP-PRUK ID).
Input, Optional:
HPLMN ID.
Output, Required:
SUPI.
Output, Optional:
None.

7.2.4  Npkmf_Discovery service  p. 54

7.2.4.1  Npkmf_Discovery_AnnounceAuthorize service operation  p. 54

Service operation name:
Npkmf_Discovery_AnnounceAuthorize
Description:
The consumer NF obtains the authorization from the 5G PKMF for announcing in the PLMN.
Input, Required:
User Info ID, RSC.
Input, Optional:
None.
Output, Required:
Authorization result.
Output, Optional:
None.

7.2.4.2  Npkmf_Discovery_MonitorKey service operation  p. 54

Service operation name:
Npkmf_Discovery_MonitorKey
Description:
The consumer NF obtains the discovery key from the 5G PKMF for monitoring in the PLMN.
Input, Required:
User Info ID, RSC, PC5 UE security capability.
Input, Optional:
None,
Output, Required:
The chosen PC5 ciphering algorithm, discovery security materials.
Output, Optional:
Discovery User Integrity Key (DUIK).

7.2.4.3  Npkmf_Discovery_DiscoveryKey service operation  p. 54

Service operation name:
Npkmf_Discovery_DiscoveryKey
Description:
The consumer NF obtains the discovery key from the 5G PKMF for a discoverer UE in the PLMN to operate Model B restricted discovery.
Input, Required:
User info ID, RSC, PC5 UE security capability.
Input, Optional:
None.
Output, Required:
The chosen PC5 ciphering algorithm, discovery security materials.
Output, Optional:
Discovery User Integrity Key (DUIK).

7.3  AUSF services  p. 54

7.3.1  General  p. 54

The AUSF of the 5G ProSe Remote UE supports the 5G ProSe Remote UE specific authentication of a 5G ProSe Remote UE via the AMF of the 5G ProSe UE-to-Network Relay and 5G ProSe UE-to-Network Relay via the new service operation Nausf_UEAuthentication_ProseAuthenticate for the existing Nausf_UEAuthentication service.
For the 5G ProSe UE-to-UE Relay discovery and communication, the 5G ProSe End UE plays the role of the 5G ProSe Remote UE, and the 5G ProSe UE-to-UE Relay plays the role of the 5G ProSe UE-to-Network Relay.
Table 7.3.1-1 shows the services exposed by AUSF supporting 5G ProSe.
Service Name Service Operations Operation Semantics Example Consumer(s)
Nausf_UEAuthenticationProseAuthenticateRequest/Response(Relay) AMF
Up

7.3.2  Nausf_UEAuthentication service  p. 55

7.3.2.1  Nausf_UEAuthentication_ProseAuthenticate service operation  p. 55

Service operation name:
Nausf_UEAuthentication_ProseAuthenticate.
Description:
Authenticate the 5G ProSe Remote UE and provides Prose related keying material.
Input, Required:
One of the options below:
  1. In the initial authentication request: SUCI or CP-PRUK ID of the 5G ProSe Remote UE, Relay Service Code, Nonce_1, UE-to-Network Relay's serving network name.
  2. In the subsequent authentication requests: EAP message.
Input, Optional:
None.
Output, Required:
One of the options below:
  1. EAP message,
  2. Authentication result and if success KNR_ProSe, Nonce_2 and CP-PRUK ID.
Output, Optional:
None.
Up

7.3.2.2  Void

7.4  UDM Services  p. 55

7.4.1  General  p. 55

A UDM supports providing the authentication vector for 5G ProSe Remote UE specific authentication and for 5G ProSe End UE specific authentication via the new service operation Nudm_UEAuthentication_GetProseAv service operation of the existing Nudm_UEAuthentication service.
Table 7.4.1-1 shows the services exposed by UDM supporting 5G ProSe.
Service Name Service Operations Operation Semantics Example Consumer(s)
Nudm_UEAuthenticationGetProseAvRequest/ResponseAUSF
Nudm_UEIdentifierDeconcealRequest/ResonsePKMF
Up

7.4.2  Nudm_UEAuthentication Service  p. 55

7.4.2.1  Nudm_UEAuthentication_GetProseAv service operation  p. 55

Service operation name:
Nudm_UEAuthentication_GetProseAv.
Description:
Requester NF gets the authentication data for ProSe from UDM.
Inputs, Required:
SUCI, Relay Service Code, Serving network name.
Inputs, Optional:
Synchronization Failure indication and related information (i.e. RAND/AUTS).
Outputs, Required:
Authentication Vector for Prose, SUPI.
Outputs, Optional:
None.

7.4.3  Nudm_UEIdentifier Service  p. 56

7.4.3.1  Nudm_UEIdentifier_Deconceal service operation  p. 56

Service operation name:
Nudm_UEIdentifier_Deconceal.
Description:
Requester NF gets the SUPI from the UDM.
Inputs, Required:
SUCI.
Inputs, Optional:
None.
Outputs, Required:
SUPI.
Outputs, Optional:
None.

7.5  Prose Anchor Function Services  p. 56

7.5.1  General  p. 56

The Prose Anchor Function (PAnF) supports providing storage for the Prose context info (i.e. SUPI, CP-PRUK, CP-PRUK ID, RSC) for a 5G ProSe Remote UE and the Prose context info for a 5G ProSe End UE. The PAnF also provides Remote User ID of a 5G ProSe Remote UE to be used in Remote UE Report and supports resolving Remote User ID to SUPI.
Table 7.5.1-1 shows the PAnF Service and the PAnF Service Operations.
Service Name Service Operations Operation Semantics Example Consumer(s)
Npanf_ProseKeyNpanf_ProseKey_RegisterRequest/ResponseAUSF
Npanf_ProseKey_GetRequest/ResponseAUSF
Npanf_ResolveRemoteUserIdNpanf_ResolveRemoteUserId_GetRequest/ResponseSMF
Up

7.5.2  Npanf_ProseKey service  p. 56

7.5.2.1  Npanf_ProseKey_Register service operation  p. 56

Service operation name:
Npanf_ProseKey_Register.
Description:
The NF consumer requests the PAnF to store the Prose context info (i.e. SUPI, CP-PRUK, CP-PRUK ID, RSC).
Input, Required:
SUPI, CP-PRUK ID, CP-PRUK, Relay Service Code.
Input, Optional:
None.
Output, Required:
None.
Output, Optional:
None.

7.5.2.2  Npanf_ProseKey_Get service operation  p. 56

Service operation name:
Npanf_ProseKey_Get.
Description:
The NF consumer requests CP-PRUK from the PAnF.
Input, Required:
CP-PRUK ID, Relay Service Code.
Input, Optional:
None.
Output, Required:
CP-PRUK.
Output, Optional:
None.

7.5.3  Void

7.5.4  Npanf_ResolveRemoteUserId service  p. 57

7.5.4.1  Npanf_ResolveRemoteUserId_Get service operation  p. 57

Service operation name:
Npanf_ResolveRemoteUserId_Get
Description:
The NF consumer requests the PAnF to resolve the Remote User ID.
Input, Required:
Remote User ID (CP-PRUK ID).
Input, Optional:
None.
Output, Required:
SUPI.
Output, Optional:
None.

Up   Top   ToC