基于序列交叉变换的图像置乱加密方法  

A DIGITAL IMAGE SCRAMBLING AND ENCRYPTION ALGORITHM BASED ON SEQUENCE CROSS TRANSFORMATION

作　　者：王继军[1] 张显全[2] 

机构地区：[1]广西财经学院计算机与信息管理系,广西南宁530003 [2]广西师范大学计算机科学与信息工程学院,广西桂林541004

出　　处：《计算机应用与软件》2009年第12期121-124,共4页Computer Applications and Software

基　　金：广西自然科学基金(0447035);广西研究生教育创新项目(2006106020812M37);广西教育厅项目(200607MS135)

摘　　要：提出一种给定序列的"序列交叉可还原"性质,将该性质应用于数字图像置乱加密隐藏中,取得了较理想的效果,给出了置乱的原理和具体方法,并通过大量实验验证了算法的有效性,结果表明该算法实现方便简洁、变化灵活、安全性高、置乱效果较好。This paper presents a math property to the given sequence with ＂reducibility of sequence cross＂. This new property was applied to scrambling and encryption hiding algorithm of digital image,and achieved ideal result. The principle and detailed method of scrambling are given in the paper,and the efficiency of the algorithm is proved by mass experiments. The results indicate that the algorithm is easy and succinct to realise,flexible to vary,and bears nice security and scrambling capability.

关 键 词：序列变换 可还原性 数字图像置乱 加密 

分 类 号：TP391.41[自动化与计算机技术—计算机应用技术] TP309[自动化与计算机技术—计算机科学与技术]