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Content for  TR 33.847  Word version:  17.1.0

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4 Security Aspects of 5G ProSe  5 Key issues 

 

4  Security Aspects of 5G ProSe  p. 12

4.1  Architecture assumption  p. 12

4.1.1  Introduction  p. 12

4.1.2  Control Plane based architecture for direct discovery  p. 13

4.1.3  User Plane based architecture for direct discovery  p. 13

5  Key issues  p. 14

5.1  Key Issue #1: Discovery message protection  p. 14

5.1.1  Key issue details  p. 14

5.1.2  Security threats  p. 14

5.1.3  Potential security requirements  p. 15

5.2  Key Issue #2: Keys in ProSe discovery scenario  p. 15

5.2.1  Key issue details  p. 15

5.2.2  Security threats  p. 15

5.2.3  Potential security requirements  p. 15

5.3  Key Issue #3: Security of UE-to-Network Relay  p. 15

5.3.1  Key issue details  p. 15

5.3.2  Security threats  p. 16

5.3.3  Potential security requirements  p. 17

5.4  Key issue #4: Authorization in the UE-to-Network relay scenario  p. 17

5.4.1  Key issue details  p. 17

5.4.2  Security threats  p. 17

5.4.3  Potential security requirements  p. 17

5.5  Key Issue #5: Privacy protection over the UE-to-Network Relay  p. 18

5.5.1  Key issue details  p. 18

5.5.2  Security threats  p. 18

5.5.3  Potential security requirements  p. 18

5.6  Key Issue #6: Integrity and confidentiality of information over the UE-to-UE Relay  p. 18

5.6.1  Key issue details  p. 18

5.6.2  Security threats  p. 18

5.6.3  Potential security requirements  p. 19

5.7  Key issue #7: Authorization in the UE-to-UE relay scenario  p. 19

5.7.1  Key issue details  p. 19

5.7.2  Security threats  p. 19

5.7.3  Potential security requirements  p. 19

5.8  Key Issue #8: Privacy of information over the UE-to-UE Relay  p. 20

5.8.1  Key issue details  p. 20

5.8.2  Security threats  p. 20

5.8.3  Potential security requirements  p. 20

5.9  Key Issue #9: Key management in 5G Proximity Services for UE-to-Network relay communication  p. 20

5.9.1  Key issue details  p. 20

5.9.2  Security threats  p. 21

5.9.3  Potential security requirements  p. 21

5.10  Key Issue #10: Key issue on secure data transfer between UE and 5GDDNMF  p. 21

5.10.1  Key issue details  p. 21

5.10.2  Security threats  p. 22

5.10.3  Potential requirements  p. 22

5.11  Key Issue #11: UE identity protection during ProSe discovery  p. 22

5.11.1  Key issue details  p. 22

5.11.2  Security threats  p. 22

5.11.3  Potential security requirements  p. 22

5.12  Key Issue #12: Security of one-to-one communication over PC5  p. 23

5.12.1  Key issue details  p. 23

5.12.2  Security threats  p. 23

5.12.3  Potential security requirements  p. 23

5.13  Key Issue #13: Security and privacy of groupcast communication  p. 24

5.13.1  Key issue details  p. 24

5.13.2  Security threats  p. 24

5.13.3  Potential security requirements  p. 24

5.14  Key Issue #14: security for support of Non-IP traffic  p. 24

5.14.1  Key issue details  p. 24

5.14.2  Security threats  p. 25

5.14.3  Potential security requirements  p. 25

5.15  Key Issue #15: privacy of ProSe entities while supporting Non-IP traffic  p. 25

5.15.1  Key issue details  p. 25

5.15.2  Security threats  p. 26

5.15.3  Potential security requirements  p. 26

5.16  Key Issue #16: Privacy protection of PDU session-related parameters for relaying  p. 26

5.16.1  Key issue details  p. 26

5.16.2  Security threats  p. 27

5.16.3  Potential security requirements  p. 27

5.17  Key Issue #17: Supporting security policy handling for PC5 connection of 5G ProSe services  p. 27

5.17.1  Key issue details  p. 27

5.17.2  Security threats  p. 28

5.17.3  Potential security requirements  p. 28

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