A novel chaotic map and an improved chaos-based image encryption scheme.

Published on Jul 20, 2014in The Scientific World Journal
· DOI :10.1155/2014/713541
Xianhan Zhang1
Estimated H-index: 1
(SEU: Southeast University),
Yang Cao1
Estimated H-index: 1
(NUPT: Nanjing University of Posts and Telecommunications)
In this paper, we present a novel approach to create the new chaotic map and propose an improved image encryption scheme based on it. Compared with traditional classic one-dimensional chaotic maps like Logistic Map and Tent Map, this newly created chaotic map demonstrates many better chaotic properties for encryption, implied by a much larger maximal Lyapunov exponent. Furthermore, the new chaotic map and Arnold's Cat Map based image encryption method is designed and proved to be of solid robustness. The simulation results and security analysis indicate that such method not only can meet the requirement of imagine encryption, but also can result in a preferable effectiveness and security, which is usable for general applications.
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