Cryptanalysis of an Image Encryption Scheme using Reverse 2-dimensional Chaotic Map and Dependent Diffusion

K. Panwar, R. Purwar, Anchal Jain
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引用次数: 4

Abstract

With increasing data transmission, image encryption schemes have also developed in recent years. Recently, an image encryption scheme has been proposed to overcome the flaws of fridrich architecture. In this paper, partial cryptanalysis of image encryption scheme has been performed in which combined confusion and diffusion is effectively separated as the crypto-system is independent of plain image. With chosen plain text attack, diffusion keys and permutation sequences can be generated. The encryption scheme is entirely dependent on external secret keys and has been found vulnerable.
一种基于逆二维混沌映射和相关扩散的图像加密方案的密码分析
随着数据传输量的增加,近年来图像加密方案也得到了发展。最近,为了克服fridrich结构的缺陷,提出了一种图像加密方案。本文对图像加密方案进行了部分密码分析,该方案有效地分离了混淆和扩散,使加密系统独立于普通图像。选择纯文本攻击,扩散密钥和排列序列可以生成。该加密方案完全依赖于外部密钥,并且已被发现是脆弱的。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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