The Real Time Implementation of a Chaotic System’s Synchronization for Secure Communication

Abstract

The chaotic systems are preferred in secure communication systems as well as used in many different implementation areas. Real time chaos synchronization is also required for secure communication systems. In this study, the Master-Slave synchronization of chaotic Chen system was performed on a real time implementation for the secure communication systems. Active control method was used in the design of controller required for the realization of synchronization. The successful realization of the Master-Slave synchronization of the Chen system by using the controller designed on MATLAB/Simulink was shown by the obtained simulation results. Moreover, by using analogue outputs of NI-DAQ card, the Master-Slave synchronization of the Chen system was obtained and secure communication was achieved on a real time basis under LabVIEW environment.

Chaotic Systems Based Real-Time Implementation of Visual Cryptography Using LabVIEW

“…A sinusoidal signal (0.2 Hz frequency / 0.1V amplitude) used as data signal. The data signal was modulated with the signal taken from master chaotic system after the transmitted signal demodulated by the slave chaotic system [32]. The simulation projections of data signal, modulated signal and demodulated signal are given in Figure 10.…”

“…In this paper, the chaotic synchronization of two identical chaotic systems which in form of master-slave was performed via active controller and implemented on five different chaotic systems [31]. Simulations and real time implementations were presented on LabVIEW environment, both secure communication application using sinusoidal signal and image encryption application were realized [32][33][34][35][36]. The reason for the implementation of the study in LabVIEW environment is that the LabVIEW program has a graphical visual structure and provides an easy-to-use interface to the user in addition real time applications are easily accomplished through the hardware such as DAQ card and cRIO within LabVIEW.…”

Development of Real-Time Fuzzy Synchronization of Chaos Based System for Image Encryption

“…It is seen that behavior form of chaos arises in continuous, discrete and time-delayed systems. Chaotic behavior is used in different areas such as cryptology, driver circuits, increasing effectiveness of heuristic optimization methods, random number generators, secure communication systems, image processing and internet banking [4][5][6][7][8][9][10][11][12][13][14][15][16][17].…”