CAN CSA-ISO IEC 21000-5A-2007 Information technology - Multimedia framework (MPEG-21) - Part 5 Rights Expression Language AMENDMENT 1 MAM (Mobile And optical Media) profile.pdf

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1、 Reference numberISO/IEC 21000-5:2004/Amd.1:2007(E)ISO/IEC 2007Information technology Multimedia framework (MPEG-21) Part 5: Rights Expression Language AMENDMENT 1: MAM (Mobile And optical Media) profile Technologies de linformation Cadre multimdia (MPEG-21) Partie 5: Langage dexpression des droits

2、AMENDEMENT 1: Profil MAM (“Mobile And optical Media”) International Organization for Standardization (ISO), 2007. All rights reserved. International Electrotechnical Commission (IEC), 2007. All rights reserved. NOT FOR RESALE. Amendment 1:2007 toNational Standard of CanadaCAN/CSA-ISO/IEC 21000-5:07A

3、mendment 1:2007 to International Standard ISO/IEC 21000-5:2004 has been adopted withoutmodification (IDT) as Amendment 1:2007 to CAN/CSA-ISO/IEC 21000-5:07. This Amendment was reviewedby the CSA Technical Committee on Information Technology (TCIT) under the jurisdiction of the StrategicSteering Comm

4、ittee on Information Technology and deemed acceptable for use in Canada.November 2007ISO/IEC 21000-5:2004/Amd.1:2007(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobes licensing policy, this file may be printed or viewed but shall not be edited unless the typef

5、aces which are embedded are licensed to and installed on the computer performing the editing. In downloading this file, parties accept therein the responsibility of not infringing Adobes licensing policy. The ISO Central Secretariat accepts no liability in this area. Adobe is a trademark of Adobe Sy

6、stems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by ISO member bodies. In the unlikel

7、y event that a problem relating to it is found, please inform the Central Secretariat at the address given below. ISO/IEC 2007 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including p

8、hotocopying and microfilm, without permission in writing from either ISO at the address below or ISOs member body in the country of the requester. ISO copyright office Case postale 56 CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyrightiso.org Web www.iso.orgii ISO/IEC 200

9、7 All rights reservedAmendment 1:2007 toCAN/CSA-ISO/IEC 21000-5:07ISO/IEC 21000-5:2004/Amd.1:2007(E) ISO/IEC 2007 All rights reserved iiiForeword ISO (the International Organization for Standardization) and IEC (the International Electrotechnical Commission) form the specialized system for worldwide

10、 standardization. National bodies that are members of ISO or IEC participate in the development of International Standards through technical committees established by the respective organization to deal with particular fields of technical activity. ISO and IEC technical committees collaborate in fie

11、lds of mutual interest. Other international organizations, governmental and non-governmental, in liaison with ISO and IEC, also take part in the work. In the field of information technology, ISO and IEC have established a joint technical committee, ISO/IEC JTC 1. International Standards are drafted

12、in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of the joint technical committee is to prepare International Standards. Draft International Standards adopted by the joint technical committee are circulated to national bodies for voting. Publication as an Internati

13、onal Standard requires approval by at least 75 % of the national bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO and IEC shall not be held responsible for identifying any or all such patent rights. Amend

14、ment 1 to ISO/IEC 21000-5:2004 was prepared by Joint Technical Committee ISO/IEC JTC 1, Information technology, Subcommittee SC 29, Coding of audio, picture, multimedia and hypermedia information. Amendment 1:2007 toCAN/CSA-ISO/IEC 21000-5:07ISO/IEC 21000-5:2004/Amd.1:2007(E) ISO/IEC 2007 All rights

15、 reserved 1Information technology Multimedia framework (MPEG-21) Part 5: Rights Expression Language AMENDMENT 1: MAM (Mobile And optical Media) profile Insert two new clauses 10 and 11 as follows: 10 Additional Extensions 10.1 General This clause lists extensions of the REL. The REL (Rights Expressi

16、on Language) defined in the previous clauses and Annexes A through J is a comprehensive, flexible and domain-agnostic rights language that can be used for a wide spectrum of applications. However, in order to meet specific needs on the REL from, for example, an ecosystem (e.g., electronic books or m

17、obile devices), an application (e.g., media streaming), a function (e.g., certificating and attesting assertions), or a region (e.g., North America, Europe or Asia), the entire REL may need to be restricted to some profiles for the purposes of optimization and interoperability in developing and depl

18、oying systems, applications, components and devices. Here, a profile here represents a subset of the REL types, elements and attributes (with any specified syntactic, semantic and processing restrictions), possibly together with some further extensions to the REL types and some newly introduced elem

19、ents and attributes, all subject to maintaining compliance to the specification of the REL. 10.2 Multimedia Extension One 10.2.1 General This subclause specifies an additional extension, called the “multimedia extension one”, of the REL specified in the previous clauses. 10.2.2 Normative Namespace T

20、he XML namespace for the extension types and new elements and attributes introduced in the REL multimedia extension one shall be urn:mpeg:mpeg21:2005:01-REL-M1X-NS, and this namespace is normative. Here, the 01 represents a serial number that is expected to change as this extension evolves. Amendmen

21、t 1:2007 toCAN/CSA-ISO/IEC 21000-5:07ISO/IEC 21000-5:2004/Amd.1:2007(E) 2 ISO/IEC 2007 All rights reserved10.2.3 Namespace Prefixes For convenience, this extension uses shorthand namespace prefixes when referring to XML elements and types. The actual prefix used is not important as long as the names

22、pace URI is correct. The prefixes used in this extension are given in Table AMD1.1. Table AMD1.1 Prefixes of XML Schemas 10.2.4 Defintion of Multimedia Extension One This subclause defines the multimedia extension one to the REL. The syntax and the semantics of the types and elements in the multimed

23、ia extension one are presented here. The XML schema for the extension elements and types is listed in Annex L. 10.2.4.1 Principal Extension Elements 10.2.4.1.1 IdentityHolder 10.2.4.1.1.1 Informative Description The m1x:identityHolder element is an extension element of the type r:Principal defined i

24、n the REL Core. It identifies the principal who is the holder of the specified identity possibly in some identification system. The optional m1x:idSystem child element of the xsd:anyURI type is used to indicate the identification system. The m1x:idValue child element, which can be either character c

25、ontent or element content from any namespace, is used to contain the identifier value of the identity. Prefix Name Namespace r REL Core urn:mpeg:mpeg21:2003:01-REL-R-NS sx REL Standard Extension urn:mpeg:mpeg21:2003:01-REL-SX-NS mx REL Multimedia Extension urn:mpeg:mpeg21:2003:01-REL-MX-NS dsig XML

26、Digital Signature http:/www.w3.org/2000/09/xmldsig# xenc XML Encryption http:/www.w3.org/2001/04/xmlenc# m1x REL Multimedia Extension One urn:mpeg:mpeg21:2005:01-REL-M1X-NS Amendment 1:2007 toCAN/CSA-ISO/IEC 21000-5:07ISO/IEC 21000-5:2004/Amd.1:2007(E) ISO/IEC 2007 All rights reserved 3Figure AMD1.1

27、 m1x:identityHolder Principal The following example specifies a principal as the holder of an International Mobile Subscriber Identifier. urn:acme:imsi IMSI:2232111123 In the above example, the principal identified by m1x:identityHolder is granted the right to play the resource specified in r:digita

28、lResource. The types of the m1x:identityHolder element and the m1x:idValue child element are defined as extensions of the r:LicensePart type. Consequently, both m1x:identityHolder and m1x:idValue can be specified by variables. The following example is like the example above, except the principal is

29、a holder of any, instead of a particular, International Mobile Subscriber Identifier. urn:acme:imsi 10.2.4.1.1.2 Normative Specification Let p be a m1x:IdentityHolder. If p/m1x:idValue has a child element, then p/m1x:idValue identifies that system entity that possesses the identifier indicated by th

30、at child element. Otherwise, p/m1x:idValue identifies that system entity that possesses the identifier indicated by the value of p/m1x:idValue. In either case, the identifier belongs to the identification system indicated by the URI value of p/m1x:idSystem when the p/m1x:idSystem child element is pr

31、esent. Amendment 1:2007 toCAN/CSA-ISO/IEC 21000-5:07ISO/IEC 21000-5:2004/Amd.1:2007(E) 4 ISO/IEC 2007 All rights reserved10.2.4.2 Right Extension Elements 10.2.4.2.1 GovernedCopy 10.2.4.2.1.1 Informative Description This element represents the right to copy the resource and at the same time to resul

32、t in certain rights being associated to the copied resource. The optional attribute m1x:governanceRule of type QName indicates the name of a governance rule that determines how exactly the copy should be made and what rights should be associated and by whom for the copied resource. When the attribut

33、e is not specified, this right allows to make a bit-wise identical copy of the resource and to result in an identical copy of the r:license that this right is specified being made to the copied resource. This right can be used for copying the resource that is either locally available or received fro

34、m a remote location (e.g., via streaming or broadcasting) during the time this right is being exercised. Figure AMD1.2 m1x:governedCopy Right A sample code fragment is provided below for illustration: In the above example, any principal is granted the right to play a movie clip, and the right to cop

35、y the clip together with the same license. The following is another example license. Amendment 1:2007 toCAN/CSA-ISO/IEC 21000-5:07ISO/IEC 21000-5:2004/Amd.1:2007(E) ISO/IEC 2007 All rights reserved 5Rights Issuer Public Key Name Suppose the governance rule named “acme:CopyOnce” only allows exercisin

36、g this right once to make a bit-wise identical copy of the resource and associating the other rights in the same license to the copied resource by issuing another license by the same issuer. In this case, exercising the right m1x:governedCopy in the license will result in a bit-wise identical copy o

37、f the resource, and the following license: Rights Issuer Public Key Name 10.2.4.2.1.2 Normative Specification Let r be a m1x:GovernedCopy. Then, if r/m1x:governanceRule is present, r identifies the act of making a copy and associating right expressions with that copy in compliance with the complianc

38、e rules identified by r/m1x:governanceRule. Otherwise, if r/m1x:governanceRule is absent, r identifies the act of making a bit-wise identical copy and associating a right expression to that copy that is Equal to the License in the authorizer in one of the authorization proofs for the authorization r

39、equest for that copy. If r is used as the Right Member of an authorization request, then the Resource Member of that authorization request shall be present and shall identify the resource being copied. 10.2.4.2.2 GovernedMove 10.2.4.2.2.1 Informative Description This element represents the right to

40、move the resource and at the same time to result in certain rights being associated to the moved resource. The moved resource and its associated rights should not exist or be valid on the original repository after exercising this right. The optional attribute m1x:governanceRule of type QName indicat

41、es the name of a governance rule that determines how exactly the resource should be moved and what rights should be associated and by whom for the moved resource. When the attribute is not specified, this right allows to the moved resource to be a bit-wise identical copy of the resource and to resul

42、t in an identical copy of the r:license that this right is specified being made to the moved resource. This right can be used for moving the resource that is either locally available or received from a remote location during the time this right is being exercised. Amendment 1:2007 toCAN/CSA-ISO/IEC

43、21000-5:07ISO/IEC 21000-5:2004/Amd.1:2007(E) 6 ISO/IEC 2007 All rights reservedFigure AMD1.3 m1x:governedMove Right A sample code fragment is provided below for illustration. In the above example, any principal is granted the right to play a movie clip, and the right to move the clip together with t

44、he same license. Following is another example license. Rights Issuer Public Key Name Suppose the governance rule named “acme:MoveOnce” only allows exercising this right once to move the resource in the bit-wise identical manner and associating the other rights in the same license to the moved resour

45、ce by issuing another license by the same issuer. In this case, exercising the right m1x:governedMove in the license will result in moving the resource in the bit-wise identical manner and the following license: Amendment 1:2007 toCAN/CSA-ISO/IEC 21000-5:07ISO/IEC 21000-5:2004/Amd.1:2007(E) ISO/IEC

46、2007 All rights reserved 7Rights Issuer Public Key Name 10.2.4.2.2.2 Normative Specification Let r be a m1x:GovernedMove. Then, if r/m1x:governanceRule is present, r identifies the act of performing the act mx:move to the Resource and associating right expressions with that moved Resource in complia

47、nce with the compliance rules identified by r/m1x:governanceRule. Otherwise, if r/m1x:governanceRule is absent, r identifies the act of performing the act mx:move to the Resource in the bit-wise identical sense and associating a right expression to that moved Resource that is Equal to the License in

48、 the authorizer in one of the authorization proofs for the authorization request for that moved Resource. If r is used as the Right Member of an authorization request, then the Resource Member of that authorization request shall be present and shall identify the resource being moved. 10.2.4.2.3 Enli

49、st 10.2.4.2.3.1 Informative Description This element represents the right to link or enlist (the reference to) the related resource into a new playback control sequences description (i.e. play-list) for the optical disc. When it presents in an r:grant element, this element allows adding the value of the resourceLocator in the m1x:protectedResource element to the play-list. Figure AMD1.4 m1x:enlist Right The following grant permits any user to link the associated (video object) resource “file:/HDDVDdisc/ADV_O