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Image encryption using shuffled Arnold map and multiple values manipulations
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DOI：10.1007/s00371-020-01791-y.png)
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Abstract
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In this paper, we present an image encryption scheme based on improved Arnold map. The improvement in the Arnold map includes a Divide & Rotate operation and pixels shuffling. The obtained shuffled Arnold map shows better results in terms of performance and speed. The proposed encryption scheme applies a preprocessing procedure on the plain image. We use the Shuffled Arnold map in the confusion process for only one round. For the diffusion process, we execute a Forward & Backward process to apply an integer-level values manipulation. The evaluation of the proposed method shows high sensitivity and resistance against common attacks.
Keywords:
Image encryption
Chaos theory
Arnold map
Confusion and diffusion
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