Cryptanalyzing a nonlinear chaotic algorithm (NCA) for image encryption

被引：88

作者：

Alvarez, G. ^{[1
]}

Li, Shujun ^{[2
]}

机构：

[1] CSIC, Inst Fis Aplicada, Madrid 28006, Spain

[2] Univ Konstanz, Fachbereich Informat & Informat Wissensch, D-78457 Constance, Germany

来源：

COMMUNICATIONS IN NONLINEAR SCIENCE AND NUMERICAL SIMULATION | 2009年 / 14卷 / 11期

关键词：

Chaos-based cryptography; Cryptanalysis; Image encryption; Logistic map; SECURITY; CRYPTOGRAPHY; CRYPTOSYSTEM; MAP; SYSTEMS; SCHEME;

D O I：

10.1016/j.cnsns.2009.02.033

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

This paper describes the security weakness of a recently proposed image encryption algorithm based on a logistic-like new chaotic map. We show that the chaotic map's distribution is far from ideal, thus making it a bad candidate as a pseudo-random stream generator. As a consequence, the images encrypted with this algorithm are shown to be breakable through different attacks of variable complexity. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：3743 / 3749

页数：7

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