Abstract
This paper proposes an efficient chaos-based image encryption scheme, in which shuffling the positions and changing the grey values of image pixels are combined to confuse the relationship between the cipher-image and the plain-image. Firstly, the Arnold Cat map is employed to shuffle the positions of the image pixels in the spatial domain. Then the discrete output signal of the Lorenz chaotic system is preprocessed to be suitable for the grayscale image encryption, and the shuffled image is encrypted by the preprocessed signal pixel by pixel. The experimental results demonstrate that the key space is large enough to resist the brute force attack and the distribution of grey values of the encrypted image has a random like behavior.
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© 2011 Springer-Verlag Berlin Heidelberg
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Zhang, Zx., Cao, T. (2011). A Chaos-Based Image Encryption Scheme with Confusion- Diffusion Architecture. In: Shen, G., Huang, X. (eds) Advanced Research on Computer Science and Information Engineering. CSIE 2011. Communications in Computer and Information Science, vol 152. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-21402-8_42
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DOI: https://doi.org/10.1007/978-3-642-21402-8_42
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-21401-1
Online ISBN: 978-3-642-21402-8
eBook Packages: Computer ScienceComputer Science (R0)