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Paper 2010/044

A New Chaotic Image Encryption Algorithm using a New Way of Permutation Methods

Abir AWAD

Abstract

This paper presents a novel chaos-based cryptosystem for secure transmitted images. In the proposed block encryption/decryption algorithm, two chaotic permutation methods (key-dependant shift approach and Socek method) are used to shuffle the image pixel bits. These methods are controlled using a perturbed chaotic PWLCM map. The perturbing orbit technique improves the dynamical statistical properties of generated chaotic sequences. Our algorithm is based on tree encryption cryptosystems (Socek, Yang and Xiang algorithms). In this paper, we prove that the proposed cryptosystem overcomes the drawbacks of these algorithms. Finally, many standard tools are performed to quantify the security level of the proposed cryptosystem, and experimental results show that the suggested cryptosystem has a high security level.

Metadata
Available format(s)
-- withdrawn --
Category
Secret-key cryptography
Publication info
Published elsewhere. Unknown where it was published
Contact author(s)
awad @ esiea-ouest fr
History
2010-03-05: withdrawn
2010-01-29: received
See all versions
Short URL
https://ia.cr/2010/044
License
Creative Commons Attribution
CC BY
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