基于数字水印的多媒体公文安全架构

定义了多媒体公文的新概念，在分析传统电子政务安全架构的基础上，提出利用数
字水印技术来提高多媒体公文的安全性，并以PDF 文档为例介绍了如何利用数字水印技术来维护信息内容的创作权，弥补了电子政务系统对数字作品版权保护的不足，设计了一种新的基于数字水印的多媒体公文安全架构。
关键词：数字水印；多媒体公文；安全架构；电子政务
Abstract: The new concept of multimedia document was defined. According to the analysis of
traditional security architecture of E-government, a new idea about adopting the technology of digital watermarking to ensure in the security of Multimedia Document was proposed. It
introduced a way how to maintain copyright protection information in PDF documents with digital watermark technology, and made up the drawback of the digital work copyright protection in E-government system; Finally, based on the digital watermark, a new security architecture of multimedia document processing system is designed.
Key words: digital watermarking; multimedia document; security architecture; electronic
government