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Content for  TS 33.535  Word version:  17.7.0

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7  Security related servicesp. 18

7.1  Services provided by AAnFp. 18

7.1.1  Generalp. 18

The following table shows the AAnF Services and AAnF Service Operations.
Service Name Service Operations Operation Semantics Example Consumer(s)
Naanf_AKMAAnchorKey_RegisterRequest/ResponseAUSF
ApplicationKey_GetRequest/ResponseAF, NEF
ApplicationKey_ AnonUser_GetRequest/ResponseAF
Up

7.1.2  Naanf_AKMA_AnchorKey_Register service operationp. 18

Service operation name:
Naanf_AKMA_AnchorKey_Register.
Description:
The NF consumer requests the AAnF to store the AKMA related key material.
Input, Required:
SUPI, A-KID, KAKMA
Input, Optional:
None.
Output, Required:
None.
Output, Optional:
None.

7.1.3  Naanf_AKMA_ApplicationKey_Get service operation |R17|p. 19

Service operation name:
Naanf_AKMA_ApplicationKey_Get.
Description:
The NF consumer requests AKMA Application Key and UE ID from the AAnF.
Input, Required:
A-KID, AF_ID
Input, Optional:
None.
Output, Required:
KAF, KAF expiration time and SUPI.
Output, Optional:
None.

7.1.4  Naanf_AKMA_Context_Remove operation |R17|p. 19

Service operation name:
Naanf_AKMA_Context_Remove.
Description:
The NF consumer requests the AAnF to remove the AKMA related key material.
Input, Required:
SUPI.
Input, Optional:
None.
Output, Required:
None.
Output, Optional:
None.

7.1.5  Naanf_AKMA_ApplicationKey_ AnonUser_Getservice operation |R17|p. 19

Service operation name:
Naanf_AKMA_ApplicationKey_AnonUser_Get.
Description:
The NF consumer requests only the AKMA Application Key from the AAnF. This service is for allowing anonymous user access to the AF based on A-KID (i.e., UE identification is not required at the AF). The A-KID functions as a temporary user identifier.
Input, Required:
A-KID, AF_ID
Input, Optional:
None.
Output, Required:
KAF, KAF expiration time.
Output, Optional:
None.

7.2Void

7.3  Services provided by NEFp. 19

7.3.1  Generalp. 19

The NEF exposes AKMA Application Key derivation service to the requester NF.
The following table shows the NEF Services and NEF Service Operations related to AKMA service.
Service Name Service Operations Operation Semantics Example Consumer(s)
Nnef_AKMAApplicationKey_GetRequest/ResponseAF
Up

7.3.2  Nnef_AKMA_ApplicationKey_Get service operationp. 20

Service operation name:
Nnef_AKMA_ApplicationKey_Get.
Description:
The NF consumer requests the NEF to provide AF related key material.
Input, Required:
A-KID, AF_ID
Input, Optional:
UEID not needed indication.
Output, Required:
KAF, KAF expiration time.
Output, Optional:
GPSI (external ID).

7.4  Services provided by UDMp. 20

UDM services related to AKMA service are defined in TS 33.501, clause 14.2.2.

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