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基于动态逻辑许可证的PDF版权管理系统 被引量:3

PDF Digital Rights Management System Based on Dynamic Logical License
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摘要 电子文档版权管理是数字版权管理的重要研究领域,提出一种PDF电子文档版权保护方案,该方案的权限管理基于一种具有强大表达力、灵活性和开放权限管理能力的动态逻辑许可证,具有详细的文档权限控制方法,并通过内容级的PDF文档加密方法增强文档的安全性。对系统模型、实现结构和方法进行说明,并与相关方法进行对比和应用示例。 Digital Rights Management(DRM) of digital documents is one of the important research fields of DRM. This paper presents a digital rights management scheme of PDF digital documents, whose rights management is based on a kind of dynamic logical license which owns a detailed control methods of document rights and an enhanced security by content grade encryption. The system model, implementation architecture and method are explained. A comparative analysis is showed and an application example is analyzed.
出处 《计算机工程》 CAS CSCD 北大核心 2009年第11期169-171,183,共4页 Computer Engineering
基金 国家自然科学基金资助项目(60673127) 中国博士后科学基金资助项目(20070421015) 广东省自然科学基金资助项目(8452800001000086) 江苏省博士后科研资助计划基金资助项目(0801045B) 佛山市科技发展专项基金资助项目(200701002)
关键词 电子文档保护 数字版权管理 动态逻辑许可证 digital document protection Digital Rights Management(DRM) dynamic logical license
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参考文献7

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共引文献163

同被引文献22

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