CHAOTIC PICTURE ENCRYPTION BY APPLYING QUANTUM CHAOTIC SYSTEM: A REVIEW PAPER

Abstract

How to protect the classified information is an essential topic in commercial or military application. Attributed to quantum chaotic system that can be characterized by sensitive dependence to initial conditions/parameters, a new colour image encryption scheme based on quantum chaotic system is proposed in this paper. Firstly, a new substitution scheme is accomplished by scrambling only the Y (Luminance) part of the low frequency sub band based on complete auto morphism in integer wavelet transformation. Then, with the help of the adopted quantum chaotic map, two diffusion modules are achieved by combining the features of horizontally and vertically adjacent pixels. Finally, with the aid of the quantum chaotic system, substitution/confusion is achieved by generating an intermediate chaotic main stream picture. Based on several experimental experiments and review, several safety and performance evaluations were thoroughly provided. Sufficient protection and good efficiency are brilliant features of the proposed colour image encryption solution. Much of the findings are in favor of the proposed scheme by contrast.