Algebraic analysis of a RGB image encryption algorithm based on DNA encoding and chaotic map

被引：40

作者：

Belazi, Akram ^{[1
]}

Hermassi, Houcemeddine ^{[1
]}

Rhouma, Rhouma ^{[1
]}

Belghith, Safya ^{[1
]}

机构：

[1] Natl Sch Engn Tunis ENIT, Syscom Lab, Tunis, Tunisia

来源：

NONLINEAR DYNAMICS | 2014年 / 76卷 / 04期

关键词：

Encryption; Chaos; DNA encoding; Cryptanalysis; Equivalent keys;

D O I：

10.1007/s11071-014-1263-y

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Recently a new image encryption method based on DNA encoding and chaotic systems has been proposed. In this paper, several weaknesses of this cryptosystem are pointed out. Equivalent mathematical model of the cryptosystem is designed and algebraic analysis is given. Moreover reduction of the key space has been reached by finding equivalent keys. A recovering scheme is finally given with a lower complexity than the actual decryption scheme.

引用

页码：1989 / 2004

页数：16

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