一种基于混沌映射的图像加密算法  

An image encryption algorithm based on chaotic mapping

作　　者：黄怡然[1] 尹成群[1] 

机构地区：[1]华北电力大学电气与电子工程学院,河北保定071003

出　　处：《华北电力大学学报（自然科学版）》2007年第4期92-95,共4页Journal of North China Electric Power University：Natural Science Edition

摘　　要：将混沌理论和分组密码技术相结合,提出了一种分组密码密钥空间任意拓展的混沌TEA图像加密算法。仿真分析结果表明,该算法具有保密度强、破译难度大、执行速度快、密钥空间巨大等优点,适合用于图像加密。Combining chaos to block encryption ciphers, a Chaos TEA image encryption algorithm expanding the secret key space of block encryption cipher was proposed . The simulation and analysis results show that Chaos TEA algorithm has many merits such as high security performance, fast operation speed and numerous key space.

关 键 词：混沌 混沌序列 加密算法 图像加密 混沌加密 

分 类 号：TP309.7[自动化与计算机技术—计算机系统结构]