ITU-T H 751-2013 Metadata for rights information interoperability in IPTV services (Study Group 16)《交互式网络电视(IPTV)服务版权信息互操作性的元数据研究组16》.pdf

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1、 International Telecommunication Union ITU-T H.751TELECOMMUNICATION STANDARDIZATION SECTOR OF ITU (03/2013) SERIES H: AUDIOVISUAL AND MULTIMEDIA SYSTEMSIPTV multimedia services and applications for IPTV IPTV metadata Metadata for rights information interoperability in IPTV services Recommendation IT

2、U-T H.751 ITU-T H-SERIES RECOMMENDATIONS AUDIOVISUAL AND MULTIMEDIA SYSTEMS CHARACTERISTICS OF VISUAL TELEPHONE SYSTEMS H.100H.199 INFRASTRUCTURE OF AUDIOVISUAL SERVICES General H.200H.219 Transmission multiplexing and synchronization H.220H.229 Systems aspects H.230H.239 Communication procedures H.

3、240H.259 Coding of moving video H.260H.279 Related systems aspects H.280H.299 Systems and terminal equipment for audiovisual services H.300H.349 Directory services architecture for audiovisual and multimedia services H.350H.359 Quality of service architecture for audiovisual and multimedia services

4、H.360H.369 Supplementary services for multimedia H.450H.499 MOBILITY AND COLLABORATION PROCEDURES Overview of Mobility and Collaboration, definitions, protocols and procedures H.500H.509 Mobility for H-Series multimedia systems and services H.510H.519 Mobile multimedia collaboration applications and

5、 services H.520H.529 Security for mobile multimedia systems and services H.530H.539 Security for mobile multimedia collaboration applications and services H.540H.549 Mobility interworking procedures H.550H.559 Mobile multimedia collaboration inter-working procedures H.560H.569 BROADBAND, TRIPLE-PLAY

6、 AND ADVANCED MULTIMEDIA SERVICES Broadband multimedia services over VDSL H.610H.619 Advanced multimedia services and applications H.620H.629 Ubiquitous sensor network applications and Internet of Things H.640H.649 IPTV MULTIMEDIA SERVICES AND APPLICATIONS FOR IPTV General aspects H.700H.719 IPTV te

7、rminal devices H.720H.729 IPTV middleware H.730H.739 IPTV application event handling H.740H.749 IPTV metadata H.750H.759IPTV multimedia application frameworks H.760H.769 IPTV service discovery up to consumption H.770H.779 Digital Signage H.780H.789 For further details, please refer to the list of IT

8、U-T Recommendations. Rec. ITU-T H.751 (03/2013) i Recommendation ITU-T H.751 Metadata for rights information interoperability in IPTV services Summary Recommendation ITU-T H.751 defines the common semantics and core elements of rights information interoperability (RII) for Internet Protocol televisi

9、on (IPTV) systems and/or equipment that allow multimedia content to be legally used across different platforms. The rights information includes rights- and security-related metadata that is described in Recommendation ITU-T H.750. This Recommendation describes rights-related information such as cont

10、ent ID, permission issuer ID and permission receiver ID, which are used to bridge between rights-related metadata. It should be noted, however, that rights management and content protection technology are beyond the scope of this Recommendation. This Recommendation is technically aligned with the sp

11、ecification in IEC 62698, Multimedia home server systems Rights information interoperability for IPTV. History Edition Recommendation Approval Study Group 1.0 ITU-T H.751 2013-03-16 16 Keywords Metadata, permission, rights information. ii Rec. ITU-T H.751 (03/2013) FOREWORD The International Telecom

12、munication Union (ITU) is the United Nations specialized agency in the field of telecommunications, information and communication technologies (ICTs). The ITU Telecommunication Standardization Sector (ITU-T) is a permanent organ of ITU. ITU-T is responsible for studying technical, operating and tari

13、ff questions and issuing Recommendations on them with a view to standardizing telecommunications on a worldwide basis. The World Telecommunication Standardization Assembly (WTSA), which meets every four years, establishes the topics for study by the ITU-T study groups which, in turn, produce Recomme

14、ndations on these topics. The approval of ITU-T Recommendations is covered by the procedure laid down in WTSA Resolution 1. In some areas of information technology which fall within ITU-Ts purview, the necessary standards are prepared on a collaborative basis with ISO and IEC. NOTE In this Recommend

15、ation, the expression “Administration“ is used for conciseness to indicate both a telecommunication administration and a recognized operating agency. Compliance with this Recommendation is voluntary. However, the Recommendation may contain certain mandatory provisions (to ensure, e.g., interoperabil

16、ity or applicability) and compliance with the Recommendation is achieved when all of these mandatory provisions are met. The words “shall“ or some other obligatory language such as “must“ and the negative equivalents are used to express requirements. The use of such words does not suggest that compl

17、iance with the Recommendation is required of any party. INTELLECTUAL PROPERTY RIGHTS ITU draws attention to the possibility that the practice or implementation of this Recommendation may involve the use of a claimed Intellectual Property Right. ITU takes no position concerning the evidence, validity

18、 or applicability of claimed Intellectual Property Rights, whether asserted by ITU members or others outside of the Recommendation development process. As of the date of approval of this Recommendation, ITU had not received notice of intellectual property, protected by patents, which may be required

19、 to implement this Recommendation. However, implementers are cautioned that this may not represent the latest information and are therefore strongly urged to consult the TSB patent database at http:/www.itu.int/ITU-T/ipr/. ITU 2013 All rights reserved. No part of this publication may be reproduced,

20、by any means whatsoever, without the prior written permission of ITU. Rec. ITU-T H.751 (03/2013) iii Table of Contents Page 1 Scope 1 2 References. 1 3 Definitions 1 3.1 Terms defined elsewhere 1 3.2 Terms defined in this Recommendation . 3 4 Abbreviations and acronyms 3 5 Conventions 4 6 Introducti

21、on: the RII environment 4 6.1 General . 4 6.2 Permission subjects 5 6.3 Permission limit components . 5 7 Permission subject identifiers . 6 7.1 Content identifier 6 7.2 Issuer identifier . 6 7.3 Receiver identifier 6 8 Permission classification 6 8.1 Disclosure class 7 8.2 Purpose class 7 8.3 Charg

22、e model class . 7 8.4 Sponsor class 7 8.5 Territory class . 8 8.6 Usage class . 8 8.7 Compilation class . 9 9 Permission limit components 9 9.1 General usage condition . 9 9.2 Extended usage condition . 11 10 Data management condition . 11 11 Data export condition . 12 Appendix I Security-related is

23、sues . 14 I.1 Tamper detection 14 I.2 Keeping secret 15 Appendix II Syntax (encoding) . 16 II.1 General . 16 II.2 Digital rights permission code syntaxes tables of the 23 scenarios 16 Appendix III Background to rights information interoperability 20 III.1 General . 20 III.2 Relationship between righ

24、ts and digital permissions . 21 iv Rec. ITU-T H.751 (03/2013) Page Appendix IV Two basic technologies for enabling RII 23 IV.1 Code language technology that carries the shared elements that identify the scattered content and the parties associated with that content 23 IV.2 Code language technology t

25、hat carries the shared elements of the specific content consumer services 25 IV.3 Common semantics for RII 26 IV.4 Core elements and common semantics for RII . 26 Appendix V Rights information metadata elements corresponding to existing SCP systems 28 V.1 SCP1 . 28 V.2 SCP System 2, with Download li

26、cense, EXPORT for Copy with Direct Key Delivery 30 V.3 SCP System 3, with Download license, EXTRACT with Direct Key Delivery, Download . 31 V.4 SCP System 4, with Download license, EXTRACT with Direct Key Delivery, VOD streaming . 32 V.5 SCP System 3, with Download license, EXTRACT with Direct Key D

27、elivery, Download . 33 V.6 SCP System 4, with Download license, EXTRACT with Direct Key Delivery, VOD streaming . 34 V.7 SCP System 5, with, Broadcast license, EXTRACT with IndirectKey Delivery license, Terrestrial re-distribution/BS(Broadcasting satellite) re-distribution 35 V.8 SCP System 6, with

28、Broadcast license, EXTRACT with DirectKey Delivery license, IP multicast . 36 V.9 SCP System 9, for mobile IPTV terminal 38 V.10 SCP System 10, for recording media (e.g., DVD), basic . 39 V.11 SCP System 11, for recording media (e.g., DVD), extended . 40 Appendix VI Examples of media formats . 41 Bi

29、bliography. 42 Rec. ITU-T H.751 (03/2013) 1 Recommendation ITU-T H.751 Metadata for rights information interoperability in IPTV services 1 Scope This Recommendation gives the high-level specification of the metadata for rights information interoperability, including representation of the minimum req

30、uired elements. The rights information interoperability (RII) metadata provide descriptive and contextual classification for representing rights information using the permission framework. RII is concerned with finding the greatest common denominators in rights expressions that include the minimum r

31、equired components when trying to implement the mutual use of rights information. This Recommendation defines the common semantics and core elements of rights information interoperability for IPTV systems and/or equipment that require multimedia content to be legally used across different platforms.

32、 The rights information includes rights- and security-related metadata that is described in ITU-T H.750. Rights-related information, such as content ID, permission issuer ID and permission receiver ID, which is used to bridge between rights-related metadata, is considered in this Recommendation. It

33、should be noted, however, that rights management and content protection technology are beyond the scope of this Recommendation. This Recommendation is technically aligned with the specification in IEC 62698. 2 References The following ITU-T Recommendations and other references contain provisions whi

34、ch, through reference in this text, constitute provisions of this Recommendation. At the time of publication, the editions indicated were valid. All Recommendations and other references are subject to revision; users of this Recommendation are therefore encouraged to investigate the possibility of a

35、pplying the most recent edition of the Recommendations and other references listed below. A list of the currently valid ITU-T Recommendations is regularly published. The reference to a document within this Recommendation does not give it, as a stand-alone document, the status of a Recommendation. IT

36、U-T H.750 Recommendation ITU-T H.750 (2008), High-level specification of metadata for IPTV services. IEC 62227 IEC 62227 (2008), Multimedia home server systems Digital rights permission code subdivisions. IEC 62698 IEC 62698:2013, Multimedia home server systems Rights information interoperability fo

37、r IPTV. ISO 3166-1 ISO 3166-1 (2009), Codes for the representation of names of countries and their subdivisions Part 1: Country codes. 3 Definitions 3.1 Terms defined elsewhere This Recommendation uses the following terms defined elsewhere: 3.1.1 authentication b-ITU-T X.800: See data origin authent

38、ication and peer-entity authentication. 2 Rec. ITU-T H.751 (03/2013) 3.1.2 content export b-ITU-T X.1191: Process of exporting securely the IPTV content from the IPTV terminal to another terminal owned by the user entitled to use it. 3.1.3 content protection b-ITU-T Y.1901: Ensuring that an end-user

39、 can only use the content they have already acquired in accordance with the rights that they have been granted by the rights holder. 3.1.4 data origin authentication b-ITU-T X.800: The corroboration that the source of data received is as claimed. 3.1.5 digital signature b-ITU-T X.800: Data appended

40、to, or a cryptographic transformation (see cryptography) of a data unit that allows a recipient of the data unit to prove the source and integrity of the data unit and protect against forgery e.g., by the recipient. 3.1.6 distribution b-ITU-T Y.1910: In the context of IPTV architecture, “distributio

41、n“ is defined as sending the content to appropriate intermediate locations to enable subsequent delivery. 3.1.7 end user b-ITU-T Y.1910: The actual user of the products or services. NOTE The end user consumes the product or service. An end user can optionally be a subscriber. 3.1.8 IPTV b-ITU-T Y.19

42、01: Multimedia services such as television/video/audio/text/graphics/data delivered over IP-based networks managed to support the required level of QoS/QoE, security, interactivity and reliability. 3.1.9 key b-ITU-T X.800: A sequence of symbols that controls the operations of encipherment and deciph

43、erment. 3.1.10 metadata b-ITU-T Y.1901: Structured, encoded data that describe characteristics of information-bearing entities to aid in the identification, discovery, assessment, and management of the described entities. NOTE EPG metadata has many applications and may vary in depth from merely iden

44、tifying the content package title or information to populate an EPG to providing a complete index of different scenes in a movie or providing business rules detailing how the content package may be displayed, copied, or sold. 3.1.11 peer-entity authentication b-ITU-T X.800: The corroboration that a

45、peer entity in an association is the one claimed. 3.1.12 PkiPath b-ITU-T X.509: The data type PkiPath is used to represent a certification path for ITU-T X.509 digital certificates. Within the sequence, the order of public-key certificates is such that the subject of the first certificate is the iss

46、uer of the second certificate, etc. 3.1.13 rights b-ITU-T X.1191: Referring to the ability to perform a predefined set of utilization functions for a content item; these utilization functions include permissions (e.g., to view/hear, copy, modify, record, excerpt, sample, keep for a certain period, d

47、istribute), restrictions (e.g., play/view/hear for multiple number of times, play/view/hear for certain number of hours), and obligations (e.g., payment, content tracing) that apply to the content and provide the liberty of use as granted to the end user. 3.1.14 rights expression b-ITU-T X.1191: Syn

48、tactic embodiment of rights in concrete, formal form. 3.1.15 service b-ITU-T Y.101: A structure set of capabilities intended to support applications. 3.1.16 service and content protection b-ITU-T X.1191: A combination of service protection and content protection or the system or implementation there

49、of. Rec. ITU-T H.751 (03/2013) 3 3.1.17 service provider b-ITU-T M.1400: A general reference to an operator that provides telecommunication services to customers and other end users either on a tariff or contract basis. A service provider may or may not operate a network. A service provider may or may not be a customer of another service provider. 3.1.18 tamper-resistant b-ITU-T X.1191: Resistance to tampering by either the personal users/attackers of a product,