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TR 33.843 (SA3)
Study on security aspect of architecture enhancements to
ProSe UE-to-network relay

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V15.1.0 (Wzip)2018/06  35 p.

Rapporteur:  Mr. Wong, Marcus
See also:  ProSe-related TS/TR

The present document contains a study of the security aspects of enhancements to ProSe UE-to-Network Relay. Its objective is to identify threats when an Evolved ProSe Remote UE with UICC connects to the network via an Evolved ProSe UE-to-Network Relay. The potential requirements are identified based on threat and the potential solutions are studied. Evaluations of solutions are captured and the conclusion forms the basis for the potential normative work.


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1  ScopeWord-p. 7
2  References
3  Definitions and abbreviations
4  Overview of REARWord-p. 8
5  Key issues
5.1  Key Issue #1: Authorization for indirect 3GPP communication
5.2  Key Issue #2: Authentication of eRemote-UE via eRelay-UE
5.3  Key Issue #3: IMSI Privacy of eRemote-UEWord-p. 10
5.4  Key Issues #4: DiscoveryWord-p. 11
5.5  Key Issues #5: Security of CP between eRemote-UE and networkWord-p. 12
5.6  Key Issue #6: Security of Service Continuity
5.7  Key Issues #7: Authentication of eRemote-UE during Setting Up Indirect 3GPP CommunicationWord-p. 15Up
5.8  Key Issue #8: Authentication of eRelay-UE
5.9  Key Issue #9: User Plane protection between eRemote-UE and eNB

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