歐美車載資通訊標準技術與發展現況 - 網路通訊國際標準分析及參與 ...

歐 洲 車 載 資 通 訊 標 準 – ETSI TC-ITS
WG5 最 新 狀 態
• TS 102 941 (Trust and Privacy Management)
– Identify the trust establishment and privacy management required
to support security in an ITS environment and the relationships
that exist between the entities themselves
– ITS-S security lifecycle
• Manufacture
• Enrolment
• Authorization
• Maintenance
ITS Applications
ITS Station
ITS Station
ITS Applications Security Management
ITS-S
Authority
Management
Facilities
Manage Security Association
Send secured message across SA
Payload encryption
Key management
Insert payload sequence number
Time-stamp payload
Identification
Networking & Transport
Manage Security Association
Authorize message
Sign message
Encrypt message
Insert message generation time
Insert message sequence number
Identification
Access
Identification
Application Layer
Presentation Layer
Session Layer
Transport Layer
Network Layer
Data Link Layer
Facilities
Application Layer Manage Security Association
Receive secure message from SA
Payload plausibility validation
Validate payload integrity
Presentation Layer
Payload decryption
Validate payload sequence number
Session Layer Validate payload time-stamp
Identification
Networking & Transport
Transport Layer Manage Security Association
Validate message authorization
Validate message integrity
Verify signature
Decrypt message
Network Layer Validate message generation time
Validate message sequence number
Identification
Access
Data Link Layer Identification
Enrolment
Authorization
Accountability (Note)
Remote management (Note)
Report misbehaviour
Identity management
Enrolment / Authorization Request
(Request)
1609Dot2Data structure
Enrolment / Authorization Request
(Indication)
Physical Layer
Physical Layer
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