Nonlinear Sciences – Chaotic Dynamics
Scientific paper
2007-10-29
Chaos, Solitons & Fractals, vol. 41, no. 5, pp. 2613-2616, 2009
Nonlinear Sciences
Chaotic Dynamics
8 pages, 2 figures, 1 table
Scientific paper
10.1016/j.chaos.2008.09.051
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.
Alvarez Gonzalo
Arroyo David
Halang Wolfgang A.
Li Chengqing
Li Shujun
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