A New Secure Communication Scheme Based on Synchronization of Chaotic System Driven by Auxiliary System
This paper proposes a chaotic secure communication scheme by introducing a concept of key function(KF) and key initial conditions(Kits).By using KF,secret signal is combined with complex chaotic signal in order to augment the security of transmitted signal.KICs are used to enlarge minor mismatch of drive signal which is generated by auxiliary chaotic system to drive identicaI chaotic systems in sender and receiver.so as to increase initiaI conditions’sensitivity of whole system.At an encrypter,based on encryption key functions(EKFs),a sufficiently complicated chaotic transmitted signal is generated which consists of masked secret information and chaotic system signals.In this system.the auxiliary chaotic system is used to drive two identical chaotic systems in sender and receiver to be synchronized.At the decryption.if and only jf Ofiers the same auxiliary system’KICs and right decryption key function(DKF) corresponding to EKF,it can retrieve secret information.Then security of chaotic secure communication system is greatly enhanced.
key initial condition key function secure communication chaotic synchronization
Yonghong Chen Shoji Kasahara Yutaka Takahashi
国际会议
The International Conference Information Computing and Automation(2007国际信息计算与自动化会议)
成都
英文
207-210
2007-12-19（万方平台首次上网日期，不代表论文的发表时间）