一种自适应的图像加密算法(英文)  

A Self-Adaptive Algorithm on Image Encryption

作　　者：陈刚[1] 赵晓宇[1] 李均利[1] 

机构地区：[1]宁波大学数字技术与应用软件研究所

出　　处：《软件学报》2005年第11期1975-1982,共8页Journal of Software

基　　金：国家自然科学基金;宁波市科技攻关项目~~

摘　　要：给出一种新的自适应图像置乱加密算法,加密后的图像可以有效防止已知明文的攻击.并且,算法具有良好的完整性保护功能,可用于图像验证.实验结果表明,算法在运算速度、抗攻击能力等方面具有良好的效果.In this paper, a new self-adaptive image encryption algorithm is presented, which takes on a thorough integrity protect function and can be used in data validation. First, ergodic matrices are used to realize the position permutation algorithms. In particular, several novel methods of scrambling are proposed. By analysis of the weakness of pure position algorithms, a novel improved self-adaptive algorithm is proposed, which is strong under known-plaintext attack on image encryption. Finally the speed and safety of the new algorithm are analyzed and some simulation results are given.

关 键 词：遍历 图像置乱 自适应 验证 加密 

分 类 号：TP309[自动化与计算机技术—计算机系统结构]