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An image encryption algorithm based on compound homogeneous hyper-chaotic system
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DOI：10.1007/s11071-017-3436-y.png)
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Compound hyper-chaotic system is a chaotic system that combines two or more hyperchaotic systems. In this paper, we propose a 2-dimensional compound homogeneous hyper-chaotic system (CHHCS) and local binary pattern (LBP)-based image encryption algorithm, which includes the CHHCS-based permutation operation and the LBP-based diffusion operation. Firstly, we employ a new CHHCS and prove the good hyper-chaotic behaviors, and we use CHHCS to permutate the plain image twice to obtain good permutation effect. Then, every permutated pixel is diffused with dynamic LBP operation, which means even the same permutated pixel will be encrypted to different cipher value. Finally, we provide some theoretical analyses and simulations to confirm the security and the validity of the proposed algorithm.
Keyword:
Hyper-chaotic system
Chaotic encryption
Privacy and security
Image encryption
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6
论文数:
1.4W
被引数:
4.1W
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