Journal
COMMUNICATIONS IN NONLINEAR SCIENCE AND NUMERICAL SIMULATION
Volume 14, Issue 11, Pages 3743-3749Publisher
ELSEVIER
DOI: 10.1016/j.cnsns.2009.02.033
Keywords
Chaos-based cryptography; Cryptanalysis; Image encryption; Logistic map
Categories
Funding
- CDTI, Ministerio de Industria, Turismo y Comercio of Spain [CENIT-2007 2004]
- Ministerio de Ciencia e Innovacion of Spain [MTM2008-02194]
- Universitat Konstanz, Germany
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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.
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