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Content for  TR 33.855  Word version:  16.1.0

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4  Key Issuesp. 13

4.1  General SBA Key Issuesp. 13

4.1.1  Key Issue #1: Confidentiality protection of signalling messagesp. 13

4.1.2  Key Issue #2: Integrity protection of signalling messages while allowing for modificationsp. 14

4.1.3  Key Issue #3: Replay protection of signalling messagesp. 14

4.1.4  Key Issue #4: NF-NF Authenticationp. 15

4.1.5  Key Issue #5: NF-NF Authorizationp. 15

4.1.6  Key Issue #6: NF-NRF Authenticationp. 16

4.1.7  Key Issue #7: NF-NRF Authorizationp. 16

4.1.8  Key Issue #8: NRF-NRF Authenticationp. 17

4.1.9  Key Issue #9: NRF-NRF Authorizationp. 17

4.1.10  Key Issue #20: Protection of SeCoP interfacesp. 17

4.1.11  Key Issue #21: Secure message transport via the SeCoPp. 19

4.1.12  Key Issue #22: Authorization of NF service access in Indirect Communicationp. 19

4.1.13  Key Issue #23: NF to NF authentication and authorization in Indirect communicationp. 20

4.1.14  Key Issue #24: Service access authorization based on NF Setp. 20

4.1.15  Key Issue #25: Indirect communication in roaming scenariosp. 21

4.1.16  Key Issue #26: Protection of N9 interfacep. 21

4.1.17  Key Issue #27: Support of a UP gateway function on the N9 interfacep. 22

4.1.18  Key Issue #28: Service access authorization in the delegated "Subscribe-Notify" scenariosp. 23

4.1.19  Key Issue #29: Resource level authorization of NF consumersp. 23

4.1.20  Key Issue #30: Service access authorization for non-delegated subscribe-notifyp. 24

4.2  SEPP-/N32-specific Key Issuesp. 24

4.2.1  Key Issue #10: Termination points of N32 securityp. 24

4.2.2  Key Issue #11: Local provisioning of SEPP protection policiesp. 25

4.2.3  Key Issue #12: Provisioning of SEPP protection policies over N32p. 25

4.2.4  Key Issue #13: SEPP session setupp. 26

4.2.5  Key Issue #14: Application of ciphering and integrity protection to JSON object using JOSEp. 26

4.2.6  Key Issue #15: Malicious messages received on the N32 interfacep. 27

4.2.7  Key Issue #16: N32 error signallingp. 29

4.2.8  Key Issue #17: Modifications by authorized intermediaries on N32p. 30

4.2.9  Key Issue #18: Inter-PLMN routing and TLSp. 30

4.2.10  Key Issue #19: Configurational error handling by the SEPPp. 31

5Void


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