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TR 33.883
Study on Security enhancements for 5G Multicast-Broadcast services
Phase 2
3GPP‑Page
fToC
↓
Partial Content
→
V18.0.1 (Wzip)
2023/06 16 p.
Rapporteur:
Mr. Guo, Longhua
HUAWEI TECH. GmbH
full Table of Contents for
TR 33.883
Word version: 18.0.1
each clause number in
'red'
refers to the equivalent title in the Partial Content
1
Scope
p. 6
2
References
p. 6
3
Definitions of terms, symbols and abbreviations
p. 6
3.1
Terms
p. 6
3.2
Symbols
p. 6
3.3
Abbreviations
p. 7
4
Assumptions
p. 7
5
Key issues
p. 7
5.1
Key issue#1: security handling in MOCN network sharing scenario
p. 7
5.1.1
Key issue details
p. 7
5.1.2
Security threats
p. 7
5.1.3
Potential security requirements
p. 7
5.2
Key issue#2: TMGI Protection
p. 8
5.2.1
Key issue details
p. 8
5.2.2
Security threats
p. 8
5.2.3
Potential security requirements
p. 8
6
Proposed solutions
p. 8
6.1
Mapping of solutions to key issues
p. 8
6.2
Solution #1: MBS Traffic Key distribution for MOCN deployment scenarios
p. 8
6.2.1
Introduction
p. 8
6.2.2
Solution details
p. 9
6.2.2.1
General
p. 9
6.2.2.2
Control plane procedures
p. 9
6.2.2.3
User plane procedures
p. 9
6.2.2.4
Key update procedure
p. 10
6.2.3
System impact
p. 10
6.2.4
Evaluation
p. 10
6.3
Solution #2: MOCN security handling for MBS
p. 10
6.3.1
Introduction
p. 10
6.3.2
Solution details
p. 11
6.3.2.1
MOCN Broadcast Procedure
p. 11
6.3.2.2
Common MOCN TMGI
p. 11
6.3.2.3
MOCN keys MSK MTK
p. 12
6.3.3
System impact
p. 13
6.3.4
Evaluation
p. 13
6.4
Solution #3: security protection for UEs in MOCN network sharing scenario
p. 14
6.4.1
Introduction
p. 14
6.4.2
Solution details
p. 14
6.4.3
System impact
p. 15
6.4.4
Evaluation
p. 15
7
Conclusions
p. 15
7.1
Conclusion on Key Issue #1
p. 15
7.2
Conclusions to Key Issue #2
p. 15
$
Change history
p. 16