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A Novel Digital Image Encryption Algorithm Based on Hyperchaos by Controlling Lorenz System

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3 Author(s)
Jun Peng ; Coll. of Electron. Inf. Eng., Chongqing Univ. of Sci. & Technol., Chongqing, China ; Shangzhu Jin ; Xiaofeng Liao

This paper presents a new image encryption algorithm based on a four-dimensional (4D) continuous-time autonomous hyperchaotic Lorenz system by introducing a simple state feedback controller. The proposed algorithm is described in detail, along with the security analyses including sensitivity analysis, information entropy analysis and differential attack analysis. The results show that the suggested algorithm has some properties desirable in a good security cryptosystem.

Published in:

Natural Computation, 2009. ICNC '09. Fifth International Conference on  (Volume:1 )

Date of Conference:

14-16 Aug. 2009