ISO/IEC 21000-5-2004 信息技术.多媒体框架(MPEG-21).第5部分:权利表示语言

标准号：ISO/IEC 21000-5-2004
中文标准名称：信息技术.多媒体框架(MPEG-21).第5部分:权利表示语言
英文标准名称：Information technology - Multimedia framework (MPEG-21) - Part 5: Rights Expression Language
标准类型：L81
发布日期：1999/12/31 12:00:00
实施日期：1999/12/31 12:00:00
中国标准分类号：L81
国际标准分类号：35.040
适用范围：This part of ISO/IEC 21000 specifies the syntax and semantics of a Rights Expression Language.This part of ISO/IEC 21000 does not give any permission, including permissions about who is legally ortechnically allowed to create Rights Expressions. It does not specify the security measures of trusted systems,propose specific applications, or describe the details of the systems required for accounting (monetarytransactions, state transactions, and so on). It also does not specify if or when Rights Expressions shall beconsulted.However, this part of ISO/IEC 21000 does define an authorization model to specify whether the semantics of aset of Rights Expressions permit a given Principal to perform a given Right upon a given optional Resourceduring a given time interval based on a given authorization context and a given trust root.Clause 1 gives the scope of this part of ISO/IEC 21000. Clause 2 gives the normative references. Clause 3gives pertinent terms, definitions, symbols, and abbreviated terms. Clause 4 gives the namespaces andconventions. Clause 5 specifies the authorization model. Clause 6 defines architectural concepts. Clause 7specifies the syntax and semantics integral to the architecture. Clause 8 specifies syntax and semanticsperipheral to the architecture but still useful in many domains beyond multimedia. Clause 9 specifies syntaxand semantics specific to multimedia. Annex A uses W3C XML Schema to normatively specify the syntax ofthe types and elements defined throughout this part of ISO/IEC 21000. Annex B normatively defines QualifiedNames for identifying countries, regions, and currencies. Annex C gives an informative simplified equalityalgorithm. Annex D gives some example Rights Expressions. Annex E describes the design philosophy forextensions and profiles of this part of ISO/IEC 21000. Annex F demonstrates how to introduce new rights asan extension to this part of ISO/IEC 21000. Annex G gives an example profile of this part of ISO/IEC 21000.Annex H describes the relationship between ISO/IEC 21000-6 and this part of ISO/IEC 21000. Annex Idescribes the relationship between ISO/IEC 21000-2 and this part of ISO/IEC 21000. Annex J describes anexample revocation mechanism and gives a walk-through of revocation.