Discrete Chaotic Synchronization and Secure Communication Design

In recent years, secure communication is becoming one of the researching hotspots in information safety. Some problems of chaotic synchronization and its application in communication are studied on the bases of the theory of nonlinear dynamics. It is a mode of correspondence, which transmits the desired information in the channel by means of encrypting, and then decrypts them at the receiving end. Chaos encryption is to encrypt the plaintexts and utilize random-like characteristics of chaos signal to secure the real-time communication. This paper bases on nonlinear dynamics theory and starts from stability theory of dynamic system. In addition, it adopts logistic mapping of discrete chaotic system and uses modular operation to design the synchronization and secure communication. This design is easily realization and has stronger anti-interference ability, and then the secure capacity of secure communication system is nice.