Abstract

The halo-chaos beam transport network with small world(WS)and scale-free(BA) characteristics was constructed.Several synchronization control methods to realize the synchronization control of halo-chaos and three kinds of circuit schemes for secure communication were proposed and simulation tests were done.Based on the research of chaos complexity,we explore a new method of chaotic algorithm,and successfully develope a data cryptograph prototype,which was applied to telephone communication networks with computer on line experimentally.We also proposed a chaotic encryption system based on combination of chaotic encryption algorithm with traditional algorithm,achieved the hardware developed by FPGA Technology,and realized file encryption and decryption communication experiment on the internet.In the research on information hiding technique,the encryption information is hided in JPEG format images,and the hiding effect is good by testing and engineering application.

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