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首页> 外文期刊>Physica Scripta: An International Journal for Experimental and Theoretical Physics >An improved color image encryption scheme and cryptanalysis based on a hyperchaotic sequence
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An improved color image encryption scheme and cryptanalysis based on a hyperchaotic sequence

机译:基于高性序列的改进的彩色图像加密方案和密码分析

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摘要

In this paper, a three-dimensional (3D) discrete hyperchaotic map is introduced on the basis of the Marotto theorem. On the basis of the 3D discrete hyperchaotic map, an improved color image encryption scheme is designed. In this algorithm, the chaotic sequence generated by the 3D discrete hyperchaotic map confuses each pixel position of the color image, and the pixel values are replaced using DNA sequence operation to diffuse them. Security is analyzed by several common attack methods. Cryptanalysis shows that the improved encryption algorithm has superior security characteristics: not only does it prevent common attacks, but it does so more effectively than others and is easy to realize.
机译:在本文中,基于墨托定理引入了三维(3D)离散的超混沌图。 基于3D离散超混沌图,设计了一种改进的彩色图像加密方案。 在该算法中,由3D离散超混沌映射产生的混沌序列使彩色图像的每个像素位置困扰,并且使用DNA序列操作来替换像素值以扩散它们。 通过几种常见的攻击方法分析了安全性。 密码分析表明,改进的加密算法具有卓越的安全特性:不仅它可以防止常见的攻击,但它比其他攻击更有效,并且易于实现。

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