摘要
数字版权管理技术是近年发展起来的一种新的信息安全技术,通过数字版权管理和防复制可实现对数字内容的保护。数字版权管理的核心在于对数字资源的权利保护和使用控制。本文讨论现今版权保护系统中使用的关键技术在PDF版权保护中的应用,研究PDF文档架构及其安全机制,分析PDF文档使用控制机制、使用控制方法及实现工具。
The technology of digital rights management is a new kind of information secure technology developed in recent years, which realizes protection of digital content and rights of copyright owners by digital rights management and technology of copy pre- vention. The core ideas of digital rights management are based on right protection and usage control of digital resources. This pa- per discusses the key technology of protection system of copyright used to protect PDF document and adaptability of it, studies the framework of PDF document and the security mechanism, analyzes PDF document usage control mechanism, usage control method and implementation tool
出处
《计算机与现代化》
2012年第6期169-171,175,共4页
Computer and Modernization
关键词
PDF文档
安全机制
使用控制
PDF document
security mechanism
usage control
