ETSI TS 102 825-2-2011 Digital Video Broadcasting (DVB) Content Protection and Copy Management (DVB-CPCM) Part 2 CPCM Reference Model (V1 2 1)《数字视频广播(DVB) 内容保护和拷贝管理(DVB-CPCM) 第2部分 .pdf

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1、 ETSI TS 102 825-2 V1.2.1 (2011-03)Technical Specification Digital Video Broadcasting (DVB);Content Protection and Copy Management (DVB-CPCM);Part 2: CPCM Reference ModelETSI ETSI TS 102 825-2 V1.2.1 (2011-03)2Reference RTS/JTC-DVB-252-2 Keywords broadcast, DVB ETSI 650 Route des Lucioles F-06921 So

2、phia 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 Individual copies of the present document can be downloaded from: http:/www.etsi.org

3、The present document may be made available in more than one electronic version or in print. In any case of existing or perceived difference in contents between such versions, the reference version is the Portable Document Format (PDF). In case of dispute, the reference shall be the printing on ETSI

4、printers of the PDF version kept on a specific network drive within ETSI Secretariat. Users of the present document should be aware that the document may be subject to revision or change of status. Information on the current status of this and other ETSI documents is available at http:/portal.etsi.o

5、rg/tb/status/status.asp If you find errors in the present document, please send your comment to one of the following services: http:/portal.etsi.org/chaircor/ETSI_support.asp Copyright Notification No part may be reproduced except as authorized by written permission. The copyright and the foregoing

6、restriction extend to reproduction in all media. European Telecommunications Standards Institute 2011. European Broadcasting Union 2011. All rights reserved. DECTTM, PLUGTESTSTM, UMTSTM, TIPHONTM, the TIPHON logo and the ETSI logo are Trade Marks of ETSI registered for the benefit of its Members. 3G

7、PPTM is a Trade Mark of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners. LTE is a Trade Mark of ETSI currently being registered for the benefit of its Members and of the 3GPP Organizational Partners. GSM and the GSM logo are Trade Marks registered and owned by

8、the GSM Association. ETSI ETSI TS 102 825-2 V1.2.1 (2011-03)3Contents Intellectual Property Rights 6g3Foreword . 6g3Introduction 6g31 Scope 7g32 References 7g32.1 Normative references . 7g32.2 Informative references 7g33 Definitions and abbreviations . 8g33.1 Definitions 8g33.2 Abbreviations . 8g34

9、Introduction 8g35 CPCM System 9g36 CPCM Functional Entities and Content Types 12g37 CPCM Device 14g37.1 General . 14g37.2 Logical Interfaces . 15g37.2.1 User Interface 15g37.2.2 Device Interaction . 16g37.2.3 CPCM Interaction . 16g37.2.4 Non-Secure CPCM Communications . 16g37.2.5 Secure Authenticate

10、d Channel 16g37.2.6 Proximity Control Communications . 16g37.3 CPCM Instance 17g37.3.1 General 17g37.3.2 CPCM Instance Logical Interfaces . 18g37.3.2.1 CPCM Control 18g37.3.2.2 ADM Control 18g37.3.3 Security Control 19g37.3.3.1 General 19g37.3.3.2 Secure Data Management . 19g37.3.3.2.1 General 19g37

11、.3.3.2.2 CPCM Instance Certificate and Private Key . 20g37.3.3.2.3 Device Secret . 20g37.3.3.2.4 AD Secret and AD Identifier . 20g37.3.3.3 Trust Establishment. 20g37.3.3.4 SAC Management . 20g37.3.3.5 Licence Processing 21g37.3.3.6 Key Management 21g37.3.3.6.1 Content Key Management . 21g37.3.3.6.2

12、Control Key Management . 21g37.3.3.7 Cryptographic Tools 21g37.3.3.8 Proximity Control . 22g37.3.3.9 Secure Time 22g37.3.3.10 Mapping to Other Content Protection Systems . 22g37.3.4 Content Handling 23g37.3.4.1 General 23g37.3.4.2 CPCM A.P.E.C.S. . 23g37.3.4.3 CPCM Scramble/Descramble . 24g37.3.4.4

13、Embedded CL Handling 24g37.3.4.5 CPCM Content Decode . 24g37.3.4.6 CPCM Content Digital-to-Analogue Conversion . 24g3ETSI ETSI TS 102 825-2 V1.2.1 (2011-03)47.3.4.7 Exchange to/from Other Content Protection Systems . 25g37.3.5 Authorized Domain Management . 25g37.3.5.1 General 25g37.3.5.2 AD Discove

14、ry . 25g37.3.5.3 AD Membership Management 26g37.3.5.4 AD Name Management . 26g37.4 Device Interfaces 26g37.5 Storage Drives and Media 28g37.6 CPCM Device and Non-CPCM Content 29g38 CPCM Authorized Domain 29g38.1 General . 29g38.2 Authorized Domain Management 30g39 CPCM Usage Rules 31g39.1 General .

15、31g39.2 Copy and Movement Control . 32g39.3 Consumption Control . 32g39.3.1 General 32g39.3.2 Tethered Content 32g39.3.3 Time-based Usage. 32g39.3.4 Concurrent Usage . 33g39.4 Content Propagation . 33g39.4.1 General 33g39.4.2 Restrict to Authorized Domain . 34g39.4.3 Restrict to Local Environment 34

16、g39.4.4 Restrict to Localized Authorized Domain 35g39.4.5 Restrict to Geographically Constrained AD . 36g39.4.6 Propagate to Untrusted Space . 37g39.5 Output Control 37g39.6 Ancillary Control 38g310 CPCM Content . 38g310.1 General . 38g310.2 Content Licence 39g310.2.1 General 39g310.2.2 CPCM Version

17、 39g310.2.3 Content Licence Identifier 39g310.2.4 Content Licence Creator . 39g310.2.5 C Essential, or potentially Essential, IPRs notified to ETSI in respect of ETSI standards“, which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web server (http:/webapp.etsi.org/

18、IPR/home.asp). 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, or may be, or may become, essential

19、 to the present document. Foreword This Technical Specification (TS) has been produced by Joint Technical Committee (JTC) Broadcast of the European Broadcasting Union (EBU), Comit Europen de Normalisation ELECtrotechnique (CENELEC) and the European Telecommunications Standards Institute (ETSI). NOTE

20、: The EBU/ETSI JTC Broadcast was established in 1990 to co-ordinate the drafting of standards in the specific field of broadcasting and related fields. Since 1995 the JTC Broadcast became a tripartite body by including in the Memorandum of Understanding also CENELEC, which is responsible for the sta

21、ndardization of radio and television receivers. The EBU is a professional association of broadcasting organizations whose work includes the co-ordination of its members activities in the technical, legal, programme-making and programme-exchange domains. The EBU has active members in about 60 countri

22、es in the European broadcasting area; its headquarters is in Geneva. European Broadcasting Union CH-1218 GRAND SACONNEX (Geneva) Switzerland Tel: +41 22 717 21 11 Fax: +41 22 717 24 81 The Digital Video Broadcasting Project (DVB) is an industry-led consortium of broadcasters, manufacturers, network

23、operators, software developers, regulatory bodies, content owners and others committed to designing global standards for the delivery of digital television and data services. DVB fosters market driven solutions that meet the needs and economic circumstances of broadcast industry stakeholders and con

24、sumers. DVB standards cover all aspects of digital television from transmission through interfacing, conditional access and interactivity for digital video, audio and data. The consortium came together in 1993 to provide global standardisation, interoperability and future proof specifications. The p

25、resent document is part 2 of a multi-part deliverable. Full details of the entire series can be found in part 1 1. Introduction CPCM is a system for Content Protection and Copy Management of commercial digital content delivered to consumer products. CPCM manages content usage from acquisition into t

26、he CPCM system until final consumption, or export from the CPCM system, in accordance with the particular usage rules of that content. Possible sources for commercial digital content include broadcast (e.g. cable, satellite, and terrestrial), Internet-based services, packaged media, and mobile servi

27、ces, among others. CPCM is intended for use in protecting all types of content - audio, video and associated applications and data. CPCM specifications facilitate interoperability of such content after acquisition into CPCM by networked consumer devices for both home networking and remote access. Th

28、is first phase of the specification addresses CPCM for digital Content encoded and transported by linear transport systems in accordance with TS 101 154 i.1. A later second phase will address CPCM for Content encoded and transported by systems that are based upon Internet Protocols in accordance wit

29、h TS 102 005 i.2. ETSI ETSI TS 102 825-2 V1.2.1 (2011-03)71 Scope The present document specifies the Reference Model (Ref Mod) for the Digital Video Broadcasting (DVB) Content Protection and Copy Management (CPCM) system. 2 References References are either specific (identified by date of publication

30、 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 reference document (including any amendments) applies. Referenced documents which are not found to be publicly available in the e

31、xpected location might be found at http:/docbox.etsi.org/Reference. NOTE: While any hyperlinks included in this clause were valid at the time of publication ETSI cannot guarantee their long term validity. 2.1 Normative references The following referenced documents are necessary for the application o

32、f the present document. 1 ETSI TS 102 825-1: “Digital Video Broadcasting (DVB); Content Protection and Copy Management (DVB-CPCM) Part 1: CPCM Abbreviations, Definitions and Terms“. 2 ETSI TS 102 825-4: “Digital Video Broadcasting (DVB); Content Protection and Copy Management (DVB-CPCM) Part 4: CPCM

33、 System Specification“. 3 ETSI TS 102 825-3: “Digital Video Broadcasting (DVB); Content Protection and Copy Management (DVB-CPCM) Part 3: CPCM Usage State Information“. 4 ETSI TS 102 825-5: “Digital Video Broadcasting (DVB); Content Protection and Copy Management (DVB-CPCM) Part 5: CPCM Security Too

34、lbox“. 5 ETSI TS 102 825-7: “Digital Video Broadcasting (DVB); Content Protection and Copy Management (DVB-CPCM) Part 7: CPCM Authorized Domain Management“. 2.2 Informative references The following referenced documents are not necessary for the application of the present document but they assist the

35、 user with regard to a particular subject area. i.1 ETSI TS 101 154: “Digital Video Broadcasting (DVB); Specification for the use of Video and Audio Coding in Broadcasting Applications based on the MPEG-2 Transport Stream“. i.2 ETSI TS 102 005: “Digital Video Broadcasting (DVB); Specification for th

36、e use of Video and Audio Coding in DVB services delivered directly over IP protocols“. i.3 ETSI TS 102 825-9: “Digital Video Broadcasting (DVB); Content Protection and Copy Management (DVB-CPCM) Part 9: CPCM System Adaptation Layers“. ETSI ETSI TS 102 825-2 V1.2.1 (2011-03)83 Definitions and abbrevi

37、ations 3.1 Definitions For the purposes of the present document, the terms and definitions given in TS 102 825-1 1 apply. 3.2 Abbreviations For the purposes of the present document, the abbreviations given in TS 102 825-1 1 apply. 4 Introduction The CPCM Reference Model provides a technical and arch

38、itectural framework for the DVB Content Protection and Copy Management (CPCM) System. The Reference Model is described on the basis of the CPCM Abbreviations, Definitions and Terms defined in TS 102 825-1 1. It provides a technology-agnostic basis for the CPCM System. The CPCM System provides an int

39、eroperability platform for the protection and management of “commercial“ content, i.e. not user-created content, in the consumer environment. The typical field of application of the CPCM System is shown in Figure 1. Figure 1: Scope of CPCM The consumer environment contains many different kinds of de

40、vices that allow the user to enjoy content in different situations, for example stationary devices in the home, the same at any secondary residence, mobile devices in the car, or handheld portable devices. Content can be delivered to the consumer by various means, for example, via broadcast (cable,

41、satellite or terrestrial), the Internet, from packaged media, or mobile delivery, as shown in Figure 1. CPCM intends to provide a protection and management environment that is relevant for all delivery channels, for all content usage scenarios and business models that are familiar to the user, and f

42、or those to come, on whatever types of device are deployed to let users access content. It is impossible to document the CPCM Reference Model sufficiently in a single diagram, thus the CPCM Reference Model consists of several aspects, or views, which taken together deliver the full picture. ETSI ETS

43、I TS 102 825-2 V1.2.1 (2011-03)9Clause 5 gives a high-level introduction to each of the various aspects that together define the CPCM System. Subsequent clauses then expand on each of these aspects to give the complete CPCM Reference Model. 5 CPCM System This clause gives an overview of the various

44、elements of the CPCM System. Figure 2 shows the basic conceptual model of the CPCM System. Figure 2: CPCM System Conceptual Diagram It is intended that the CPCM System will be implemented for different methods of Input Content delivery to the consumer including free-to-air television, pay television

45、 and purchased media, on consumer equipment provided by many manufacturers, deploying various technologies to exchange and store content. The basic CPCM content management model is that Input Content enters the CPCM System to become CPCM Content. CPCM Content is managed and protected within the CPCM

46、 System. CPCM Content leaves the CPCM System when it is Consumed by the user, or when Exported to another system. CPCM Functional Entities. The Reference Model defines the set of five abstract content management functions - Acquisition, Storage, Processing, Consumption, and Export - which cover all

47、relevant content usage scenarios in the consumer environment. These functions map to the five CPCM Functional Entities - Acquisition Point, Storage Entity, Processing Entity, Consumption Point, and Export Point. Figure 3 shows the view of the CPCM System in terms of the set of abstract Functional En

48、tities. ETSI ETSI TS 102 825-2 V1.2.1 (2011-03)10Thus Input Content that enters the CPCM System does so by being Acquired at an Acquisition Point, by a CPCM Device that implements that Acquisition Point, to become CPCM content. CPCM Content can be Stored or Processed by the corresponding Functional

49、Entities (Storage Entity, Processing Entity), implemented on a CPCM Device. CPCM Content leaves the CPCM System when it is Consumed, at a Consumption Point, or Exported, at an Export Point. Again, these Functional Entities can be implemented inside any CPCM Device. Figure 3: CPCM Functional Entities The CPCM Functional Entities and basic CPCM Content types are described further in clause 6. CPCM Device A CPCM Device is any device that implements CPCM functionality in a compliant manner. As shown in Figure 2, the CPCM System can be considered a