The Compounded Chaotic Sequence Research in Image Encryption Algorithm

An image encryption algorithm based on compounded chaotic sequence is proposed. In the paper, Three kinds of chaotic sequences are selected for this algorithm of location scrambling and diffusion of image pixels. They are Unlimited one-dimensional folding map, two-dimensional Henon map and the one-dimensional Logistic map. It is better to use one judicative condition to decide the service sequence of the two scrambling algorithm than using the same chaotic system many times. The simulation results have showed the good efficiency and high security of this encryption algorithm.