Research about Secure Communication Based on Fourth-Order Hyper-Chaotic System

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Abstract:

In this paper, we propose a new secure communication synchronization system which exploits the combination of the fourth-order hyper-chaotic system and the synchronization theory. We study the fast encryption and decryption methods of the images and the performance analysis of the secure communication based on the hyper-chaotic system. The simulation results show that the proposed hyper-chaotic secure communication generates the unpredicted pseudorandom sequences which have greater complexity and better randomness characteristics comparing to the traditional chaotic encryption schemes. Furthermore, it has larger key space and higher safety performance. Since the proposed system provides a new thought for the synchronization problems of the hyper-chaotic system, it is regarded as a potential scheme for resisting the popular attack means.

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2535-2538

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March 2014

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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