摘要
在电子政务网和企业信息网等各种内部网中,对电子文档的保护成为越来越严峻的问题。论文在传统的基于DRM的电子文档保护技术的基础上,提出了更具通用性、安全性的基于PDF的电子文档保护系统的模型,并详细分析了本模型中的关键技术,讨论了模型的设计与实现。
In various kinds of internal networks, it is becoming more and more important to protect E-documents. Based on traditional DRM e-Document protection technologies, this paper provides a model to describe an E-document protection system based on PDF which is even more general-use and secure. Besides, this paper also describes the key technologies, design and implementation of this model.
出处
《信息安全与通信保密》
2008年第3期69-71,共3页
Information Security and Communications Privacy
关键词
数字版权管理
数字信封
访问控制
PKI
digital right management
digital envelop technology
access control
PKI
