At the same time, the paper introduces the related concepts, two kinds of encrypt technologies and encryption algorithm. At last, the paper shows the implement of the encryption algorithm.
同时，还简要介绍了密码技术的相关概念，两种加密技术及其加密算法，最后说明了提出的加密算法的实现过程。
Introduces some protection technologies of digital book, analyzes their insufficiency, and expounds two new off-line digital book encrypt protection modes.
介绍了目前已有的一些数字图书保护技术，分析了它们的不足之处，提出了两种离线型新型数字图书安全保护方法。
Therefore, this paper applied an improved watermark preprocessing technologies, the chaos theory and image scrambling technology combine encrypt of watermark image.
为此，本文应用一种改进的水印预处理技术，将混沌序列和图像置乱技术结合起来对灰度水印图像进行加密。
应用推荐