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Chaotic Image Encryption Algorithm Based on Zigzag Transform With Bidirectional Crossover From Random Position
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DOI：10.1109/ACCESS.2021.3099214.png)
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Abstract
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This paper proposes a Zigzag transform that starts at random positions and crosses bidirectionally (ZZBCRP) to scramble the image. The number of sequence types of this new Zigzag transform is the number of pixels in the plaintext image, which is more and more complicated than other Zigzag transform methods, and Arrangement in a bidirectional crossover method can better disrupt the pixel correlation of the plaintext image. After multiple rounds of Zigzag transformation, the Logistic system is used to generate a sorted sequence to scramble the image. Then the chaotic sequence generated by the hyperchaotic Chen system is used. Perform a reversible diffusion operation on the image, and finally analyze the security of the algorithm.
Keywords:
Transforms
Encryption
Correlation
Logistics
Chaos
Boats
Licenses
Chaos
image encryption
zigzag transform
one-dimensional logistic chaotic system
hyperchaotic Chen system
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