基于同形字符的一种信息伪装方法  

THE ALGORITHM OF INFORMATION HIDING BASED ON CHARACTERS HAVING SAME SHAPE AND DIFFERENT CODE

作　　者：张仲选[1] 王冰[1] 周明全[1] 

机构地区：[1]西北大学计算机科学系,西安710069

出　　处：《计算机应用与软件》2004年第8期8-10,共3页Computer Applications and Software

摘　　要：本文给出了一种以文本为信息载体的信息隐藏和伪装的新方法。首先利用造字程序 ,新建若干个同形异码的字符。用同形异码的字符代表某一进制的数 ,使得用新字符表示数 ,表示要隐藏或伪装机密信息的代码 ,从而达到将机密信息隐藏或伪装的目的。文中给出了将机密信息伪装和从伪装信息中提取原信息的方法和步骤 ,并分别对文本信息和 2 4位彩色图像信息实施伪装实验。文中对伪装的算法和性能进行了分析和讨论。和其它信息隐藏方法相比 ,该方法具有算法简单、实施容易、透明性好和信息隐藏容量大等特点。The paper proposes a novel scheme for information hiding.Firstly some new characters are created which have same shape and different code.The characters can stand for digital numbers.As secret information can be transfer to digital number by digitalization so the characters can stand for the secret information and reach the purpose of information hiding.The paper gives the methods and steps for embedding information to and picking it out from host media.The experiments are taken which pretending text documents and 24 bit color image with the characters.The characteristics of the scheme are analysis and discussed.Comparing with other method for information hiding,which show this scheme is simple,easy to programming,good invisibility and larger quantity of information embedded than the method of LSB.

关 键 词：信息伪装 同形字符 信息隐藏 信息安全 

分 类 号：TP309[自动化与计算机技术—计算机系统结构]