说明：  信息隐藏基础 数字媒体包括了图像、文字以及音频、视频等各种形式，以及传播形式和传播内容中采用数字化，即信息的采集、存取、加工和分发的数字化过程。数字媒体已经成为继语言、文字和电子技术之后的最新的信息载体。 通过本文你可以了解现代密码系统的基本知识，掌握常用的图像加密技术的基本思想。 具体包含： 1 信息隐藏概述 2 隐写术的基本原理 3 隐写 4 隐写分析技术
(Information hiding based on digital media including images, text and audio, video and other forms, as well as the spread and dissemination of the contents of the form used in digital, that is, information collection, access, processing and distribution of the digital process. Digital media has become the language and the latest electronic technology of the information carrier. Through this article you can learn the basic of modern cryptography knowledge, the images used to master the basic idea of encryption technology. Specifically includes: 1 information hiding steganography outlined 2 of the 3 basic principles of steganography steganalysis technique 4)