Multimedia Tools and Applications

, Volume 76, Issue 6, pp 8087–8108 | Cite as

A new image cryptosystem based on 2D hyper-chaotic system

Article

Abstract

An efficient image encryption scheme is designed based on 2D hyper-chaotic system. Different from the traditional chaos-based image encryption schemes, the confusion and the diffusion procedures of the proposed scheme are interacted on each other. In the encryption process, the position of the present pixel is influenced by the last diffused one. Then the corresponding diffused pixel makes a difference in the next pixel. By contrast with the traditional chaos-based image cryptosystems, the proposed cryptosystem with the interacted structure is steadier and harder to decipher. In addition, 2D hyper-chaotic systems are employed in the quicker generation of chaotic sequences in comparison to high-dimensional hyper-chaotic systems. Simulation results verify the security and effectiveness of this scheme.

Keywords

Image encryption Confusion Diffusion 2D hyper-chaotic system 

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Copyright information

© Springer Science+Business Media New York 2016

Authors and Affiliations

  1. 1.Department of Electronic Information EngineeringNanchang UniversityNanchangChina

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