数字水印技术在电子公文系统中的研究与应用

The study and application of digital watermark in electronic document system

电子图章是开发电子公文系统必须实现的技术之一。而电子图章作为一种数字图像,存在着容易被复制和盗用的安全性问题。本文通过将数字水印技术引入电子公文系统,从而解决了电子公文系统中电子图章的安全性问题。

Electronic Stamp is a necessary technology in developing Electronic Document System. Being a digital image, Electronic Stamp could be copy and peculate easily. The paper import digital watermark technology into Electronic Document System, and resolve the security problem of Electronic Document System.