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- SBA Domain Security (V): the set of security features that enables network functions of the SBA architecture to securely communicate within the serving network domain and with other network domains . Such features include network function registration, discovery, and authorization security aspects, as well as the protection for the service-based interfaces. SBA domain security is a new security feature compared to TS 33.401 [10].
- Visibility and Configurability of Security (VI): the set of features that enable the user to be informed whether a security feature is in operation or not.
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4.2 Security at the perimeter of the 5G CN (Core Network)
4.2.1 Security Edge Protection Proxy (SEPP)
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NOTE: IPUPS can be activated with other functionality in a UPF or activated in a UPF that is dedicated to be used for IPUPS functionality (see also TS 23.501 [2], clause 5.8.2.14).3GPP 5G System Architecture specification related to IPUPS clause.
4.3 Security entities in the 5G CN (Core networkNetwork)
The 5G System Architecture introduces the following Security Entities in the 5G Core Network:
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The selection of using EAP-AKA' is described in sub-clause 6.1.2 of the present document.
6.2 Key hierarchyHierarchy, key derivationKey Derivation, and distribution schemeDistribution Scheme
6.2.1 Key hierarchyHierarchy
Requirements on 5GC and NG-RAN related to keys are described in clause 5.1.3. The following describes the keys of the key hierarchy generation in a 5GS in detail.:
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