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A novel Chua's based 2-D chaotic system and its performance analysis in cryptography.
Suresh Rasappan1, Sathish Kumar Kumaravel2, Aceng Sambas3,4
1Mathematics Section, University of Technology and Applied Sciences, Ibri, Sultanate of Oman.
Plos One
|November 6, 2024
Summary
This study analyzes a simple chaotic circuit and its application in cryptography. The research demonstrates the circuit
Area of Science:
- Nonlinear Dynamics and Chaos Theory
- Applied Cryptography and Information Security
Background:
- Investigates the chaotic behavior of a second-order nonlinear circuit.
- This circuit, featuring a nonlinear resistor and Chua's diode, is a simple nonautonomous system.
Purpose of the Study:
- To analyze the chaotic properties of the circuit, including bifurcations and Lyapunov exponents.
- To develop a novel cryptographic technique using the chaotic circuit integrated with the S-box method for secure data transmission.
Main Methods:
- Explored oscillator characteristics and chaotic properties using bifurcations, Lyapunov exponents, and resonance analysis.
- Incorporated the designed chaotic circuit into the S-box method for cryptographic applications.
- Evaluated the proposed cryptosystem using real-life image and text data with statistical and performance metrics.
Main Results:
- The circuit exhibits both stable equilibrium points and a chaotic attractor.
- The developed cryptographic technique shows suitability for secure applications.
- The proposed method enhances cryptosystem reliability and performance compared to existing techniques.
Conclusions:
- The chaotic circuit's complex behavior is suitable for developing robust cryptographic systems.
- The integration with S-box offers a promising approach for secure image and text encryption.
- The study validates the effectiveness and reliability of the proposed chaotic circuit-based cryptosystem.
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