An Image Encryption Scheme Based on the Discrete Auto-Switched Chaotic System

Aiming at finite computational precision would make digital chaotic binary sequences into a short period sequence, so that the security of multimedia encryption information based on chaotic cipher is not guaranteed. In this paper, we designed a discrete auto-switched chaotic system with a simple structure and good performance in order to increase the period length of chaotic sequences. The autocorrelation and complexity experiments of chaotic sequences were performed to demonstrate the good performance of the sequence. Finally, the simulation experiment results show that this image encryption scheme is both reliable and secure.

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