ETSI TS 102 940-2018 Intelligent Transport Systems (ITS) Security ITS communications security architecture and security management (V1 3 1).pdf

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1、 ETSI TS 102 940 V1.3.1 (2018-04) Intelligent Transport Systems (ITS); Security; ITS communications security architecture and security management TECHNICAL SPECIFICATION ETSI ETSI TS 102 940 V1.3.1 (2018-04)2 Reference RTS/ITS-00541 Keywords interoperability, ITS, management, security ETSI 650 Route

2、 des Lucioles F-06921 Sophia Antipolis Cedex - FRANCE Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16 Siret N 348 623 562 00017 - NAF 742 C Association but non lucratif enregistre la Sous-Prfecture de Grasse (06) N 7803/88 Important notice The present document can be downloaded from: http:/www.etsi.o

3、rg/standards-search The present document may be made available in electronic versions and/or in print. The content of any electronic and/or print versions of the present document shall not be modified without the prior written authorization of ETSI. In case of any existing or perceived difference in

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5、tatus. Information on the current status of this and other ETSI documents is available at https:/portal.etsi.org/TB/ETSIDeliverableStatus.aspx If you find errors in the present document, please send your comment to one of the following services: https:/portal.etsi.org/People/CommiteeSupportStaff.asp

6、x Copyright Notification No part may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm except as authorized by written permission of ETSI. The content of the PDF version shall not be modified without the written authorization of ETS

7、I. The copyright and the foregoing restriction extend to reproduction in all media. ETSI 2018. All rights reserved. DECTTM, PLUGTESTSTM, UMTSTMand the ETSI logo are trademarks of ETSI registered for the benefit of its Members. 3GPPTM and LTETMare trademarks of ETSI registered for the benefit of its

8、Members and of the 3GPP Organizational Partners. oneM2M logo is protected for the benefit of its Members. GSMand the GSM logo are trademarks registered and owned by the GSM Association. ETSI ETSI TS 102 940 V1.3.1 (2018-04)3 Contents Intellectual Property Rights 5g3Foreword . 5g3Modal verbs terminol

9、ogy 5g31 Scope 6g32 References 6g32.1 Normative references . 6g32.2 Informative references 7g33 Definitions, abbreviations and notation 7g33.1 Definitions 7g33.2 Abbreviations . 8g33.3 Notation 8g34 ITS reference architecture 9g34.1 Background 9g34.2 ITS applications groups 10g34.2.1 ITS application

10、s groups and their communication characteristics 10g34.2.2 Cooperative awareness . 14g34.2.3 Static local hazard warning . 14g34.2.4 Interactive local hazard warning . 15g34.2.5 Area hazard warning . 15g34.2.6 Advertised services . 16g34.2.7 Local high-speed unicast service 16g34.2.8 Local multicast

11、 service . 17g34.2.9 Low-speed unicast service 17g34.2.10 Distributed (networked) service 18g34.2.11 Multiple Applications . 18g34.3 Security requirements of ITS application groups . 18g34.3.1 Security requirements of cooperative awareness 18g34.3.1.1 Authentication and Authorization . 18g34.3.1.2 C

12、onfidentiality 19g34.3.1.3 Privacy 19g34.3.2 Security requirements of static local hazard warnings 19g34.3.2.1 Authentication and Authorization . 19g34.3.2.2 Confidentiality and Privacy . 19g34.3.3 Security requirements of interactive local hazard warnings . 19g34.3.3.1 Authentication and Authorizat

13、ion . 19g34.3.3.2 Confidentiality and Privacy . 19g34.3.4 Security requirements of area hazard warnings 20g34.3.4.1 Authentication and Authorization . 20g34.3.4.2 Confidentiality and Privacy . 20g34.3.5 Security requirements of advertised services 20g34.3.5.1 Authentication and Authorization . 20g34

14、.3.5.2 Confidentiality and Privacy . 20g34.3.6 Security requirements of other services 20g34.3.7 Security requirements of multiple applications. 20g34.3.7.1 Authentication and Authorization . 20g34.3.7.2 Confidentiality and Privacy . 20g35 ITS communications security architecture . 21g35.1 ITS stati

15、on communications security architecture 21g35.2 Security services . 22g35.3 ITS security functional model 24g36 ITS station security management . 28g36.1 Basic principles 28g36.2 Guidelines for establishing enrolment trust requirements 29g3ETSI ETSI TS 102 940 V1.3.1 (2018-04)4 6.3 Trust and privacy

16、 management 30g36.4 Access control 31g36.5 Identity management 31g36.6 Confidentiality 32g37 ITS Security management system 33g37.0 General . 33g37.1 Certificate Trust List/multiple Root CAs . 34g37.2 Root CA . 38g37.3 Enrolment Authority. 39g37.4 Authorization Authority . 39g37.5 Trust List Manager

17、 . 40g3Annex A (informative): Change history . 41g3History 42g3ETSI ETSI TS 102 940 V1.3.1 (2018-04)5 Intellectual Property Rights Essential patents IPRs essential or potentially essential to normative deliverables may have been declared to ETSI. The information pertaining to these essential IPRs, i

18、f any, is publicly available for ETSI members and non-members, and can be found in ETSI SR 000 314: “Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in respect of ETSI standards“, which is available from the ETSI Secretariat. Latest updates are availab

19、le on the ETSI Web server (https:/ipr.etsi.org/). Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web server) which are,

20、or may be, or may become, essential to the present document. Trademarks The present document may include trademarks and/or tradenames which are asserted and/or registered by their owners. ETSI claims no ownership of these except for any which are indicated as being the property of ETSI, and conveys

21、no right to use or reproduce any trademark and/or tradename. Mention of those trademarks in the present document does not constitute an endorsement by ETSI of products, services or organizations associated with those trademarks. Foreword This Technical Specification (TS) has been produced by ETSI Te

22、chnical Committee Intelligent Transport Systems (ITS). Modal verbs terminology In the present document “shall“, “shall not“, “should“, “should not“, “may“, “need not“, “will“, “will not“, “can“ and “cannot“ are to be interpreted as described in clause 3.2 of the ETSI Drafting Rules (Verbal forms for

23、 the expression of provisions). “must“ and “must not“ are NOT allowed in ETSI deliverables except when used in direct citation. ETSI ETSI TS 102 940 V1.3.1 (2018-04)6 1 Scope The present document specifies a security architecture for Intelligent Transport System (ITS) communications. Based upon the

24、security services defined in ETSI TS 102 731 4, it identifies the functional entities required to support security in an ITS environment and the relationships that exist between the entities themselves and the elements of the ITS reference architecture defined in ETSI EN 302 665 1. The present docum

25、ent also identifies the roles and locations of a range of security services for the protection of transmitted information and the management of essential security parameters. These include identifier and certificate management, PKI processes and interfaces as well as basic policies and guidelines fo

26、r trust establishment. 2 References 2.1 Normative references References are either specific (identified by date of publication and/or edition number or version number) or non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the ref

27、erenced document (including any amendments) applies. Referenced documents which are not found to be publicly available in the expected location might be found at https:/docbox.etsi.org/Reference/. NOTE: While any hyperlinks included in this clause were valid at the time of publication, ETSI cannot g

28、uarantee their long term validity. The following referenced documents are necessary for the application of the present document. 1 ETSI EN 302 665: “Intelligent Transport Systems (ITS); Communications Architecture“. 2 ETSI EN 302 637-2: “Intelligent Transport Systems (ITS); Vehicular Communications;

29、 Basic Set of Applications; Part 2: Specification of Cooperative Awareness Basic Service“. 3 ETSI EN 302 637-3: “Intelligent Transport Systems (ITS); Vehicular Communications; Basic Set of Applications; Part 3: Specifications of Decentralized Environmental Notification Basic Service“. 4 ETSI TS 102

30、731: “Intelligent Transport Systems (ITS); Security; Security Services and Architecture“. 5 ETSI TS 102 941: “Intelligent Transport Systems (ITS); Security; Trust and Privacy Management“. 6 ETSI TS 102 942: “Intelligent Transport Systems (ITS); Security; Access Control“. 7 ETSI TS 102 943: “Intellig

31、ent Transport Systems (ITS); Security; Confidentiality services“. 8 ETSI TS 103 097: “Intelligent Transport Systems (ITS); Security; Security header and certificate formats“. 9 ETSI TS 103 301: “Intelligent Transport Systems (ITS); Vehicular Communications; Basic Set of Applications; Facilities laye

32、r protocols and communication requirements for infrastructure services“. 10 ETSI EN 302 636-4-1: “Intelligent Transport Systems (ITS); Vehicular communications; GeoNetworking; Part 4: Geographical addressing and forwarding for point-to-point and point-to-multipoint communications; Sub-part 1: Media-

33、Independent Functionality“. ETSI ETSI TS 102 940 V1.3.1 (2018-04)7 2.2 Informative references References are either specific (identified by date of publication and/or edition number or version number) or non-specific. For specific references, only the cited version applies. For non-specific referenc

34、es, the latest version of the referenced document (including any amendments) applies. NOTE: While any hyperlinks included in this clause were valid at the time of publication, ETSI cannot guarantee their long term validity. The following referenced documents are not necessary for the application of

35、the present document but they assist the user with regard to a particular subject area. i.1 ETSI TR 102 638: “Intelligent Transport Systems (ITS); Vehicular Communications; Basic Set of Applications; Definitions“. i.2 ETSI TR 102 863: “Intelligent Transport Systems (ITS); Vehicular Communications; B

36、asic Set of Applications; Local Dynamic Map (LDM); Rationale for and guidance on standardization“. i.3 IEEE 1609.3 2010: “Wireless Access in Vehicular Environments (WAVE) - Networking Services“. i.4 CEN/TS 16439: “Electronic fee collection - Security framework“. i.5 ETSI TS 102 890-2: “Intelligent T

37、ransport Systems (ITS); Facilities layer function; Part 2: Position and time facility specification“. i.6 IETF RFC 4949: “Internet Security Glossary“, Version 2, August 2007. i.7 ETSI TS 102 723-8: “Intelligent Transport Systems (ITS); OSI cross-layer topics; Part 8: Interface between security entit

38、y and network and transport layer“. i.8 C-ITS Platform WG5: “Security b) requirements strictly to be followed if applicable to the type of ITS Station concerned. Such requirements are indicated by clauses marked by “CONDITIONAL“; and where relevant are marked by an identifier of the type of ITS-S fo

39、r which the clauses are applicable as follows: Itss_WithPrivacy is used to denote requirements applicable to ITS-S for which pseudonymity has to be assured and re-identification by the AA is not allowed. This includes for instance personal user vehicle ITS-S or personal ITS-S Portable. Itss_NoPrivac

40、y is used to denote requirements applicable to ITS-S for which pseudonymity does not have to be assured and are allowed to be re-identified by the AA. This may be for instance fixed or mobile RSUs or special vehicles. ETSI ETSI TS 102 940 V1.3.1 (2018-04)9 4 ITS reference architecture 4.1 Background

41、 ETSI EN 302 665 1 describes an ITS station architecture based upon four processing layers identified as follows: Access Layer; Networking Facilities Layer; and Applications Layer. These horizontal layers are bounded on each side by a vertical Management entity and a Security entity (Figure 1). Figu

42、re 1: ITS station architecture (from ETSI EN 302 665 1) The layers in this architecture do not represent directly the Open System Interconnect (OSI) protocol modelling layers but the functionality expected in each can be mapped to OSI model quite simply. Having mapped the OSI protocol layers to the

43、ITS station architecture, this can be extended into an ITS communications architecture in which the protocol layers communicate on a peer-to-peer basis as shown in Figure 2. ETSI ETSI TS 102 940 V1.3.1 (2018-04)10 Figure 2: ITS communications architecture 4.2 ITS applications groups 4.2.1 ITS applic

44、ations groups and their communication characteristics ETSI TR 102 638 i.1 defines the basic set of ITS applications which it divides into groups according to the functionality provided. Based on this a further analysis in ETSI TR 102 863 i.2 takes into account some additional sources. The resulting

45、list of functional groupings from this analysis is shown in Table 1. A more detailed description can be found in ETSI TR 102 863 i.2, clause A.1. ETSI ETSI TS 102 940 V1.3.1 (2018-04)11 Table 1: ITS application classes Applications Class Application Use case Active road safety Driving assistance - C

46、o-operative Awareness (CA) Emergency vehicle warning Slow vehicle indication Across traffic turn collision risk warning Merging Traffic Turn Collision Risk Warning Co-operative merging assistance Intersection collision warning Co-operative forward collision warning Lane Change Manoeuvre Driving assi

47、stance - Road Hazard Warning (RHW) Emergency electronic brake lights Wrong way driving warning (infrastructure based) Stationary vehicle - accident Stationary vehicle - vehicle problem Traffic condition warning Signal violation warning Roadwork warning Decentralized floating car data - Hazardous loc

48、ation Decentralized floating car data - Precipitations Decentralized floating car data - Road adhesion Decentralized floating car data - Visibility Decentralized floating car data - Wind Vulnerable road user Warning Pre-crash sensing warning Co-operative glare reduction Cooperative traffic efficienc

49、y Co-operative Speed Management (CSM) Regulatory/contextual speed limits notification Curve Warning Traffic light optimal speed advisory Co-operative Navigation (CN) Traffic information and recommended itinerary Public transport information In-vehicle signage Co-operative local services Location Based Services (LBS) Point of Interest notification Automatic access control and parking management ITS local electronic commerce Media downloading Global internet services Communities Services (CS) Insurance and fina