摘要: AVS-REL是由中国音视频标准化工作组(AVS)提出的一种基于XML的权限描述语言,它描述了数字内容使用时相关的权利、约束和义务等。AVS制定中国的音视频标准,AVS-DRM提供对音视频多媒体进行保护和管理的方法,而AVS-REL是AVS-DRM的一个重要组成部分。设计并实现了一个AVS-REL解析验证器,该解析验证器具有良好的可扩展性和适应性,可以用于PC、嵌入式系统、手持设备等多种场合。
关键词:
XML,
AVS-REL,
权限描述语言,
验证器
Abstract: AVS-REL is an XML-based right expression language which is proposed by Audio Video Coding Standard Workgroup of China. It describes the relations among rights, constraints and duties. AVS-REL is an important component of AVS-DRM. This paper designs and implements an AVS-REL parser and validator. It can be easy to extend and can be used by many applications.
Key words:
XML,
AVS-REL,
Right expression language,
Validator
沙 瀛. AVS-REL解析验证器的设计与实现[J]. 计算机工程, 2007, 33(05): 269-271.
SHA Ying. Design and Implementation of AVS-REL Parser and Validator[J]. Computer Engineering, 2007, 33(05): 269-271.