Journal
CHAOS SOLITONS & FRACTALS
Volume 41, Issue 5, Pages 2613-2616Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.chaos.2008.09.051
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Funding
- Ministerio de Educacion y Ciencia of Spain [SEG2004-02418]
- CDTI
- Ministerio de Industria
- Turismo y Comercio of Spain
- Alexander von Humboldt Foundation, Germany
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Chaotic systems have been broadly exploited through the last two decades to build encryption methods. Recently, two new image encryption schemes have been proposed, where the encryption process involves a permutation operation and an XOR-like transformation of the shuffled pixels, which are controlled by three chaotic systems. This paper discusses some defects of the schemes and how to break them with a chosen-plaintext attack. (C) 2008 Elsevier Ltd. All rights reserved.
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