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A New Chaotic System with Multiple Attractors: Dynamic Analysis, Circuit Realization and S-Box Design
Qiang Lai1, Akif Akgul2, Chunbiao Li3
1School of Electrical and Automation Engineering, East China Jiaotong University, Nanchang 330013, China.
Entropy (Basel, Switzerland)
|December 3, 2020
Summary
This study introduces a new 3D chaotic system exhibiting multiple coexisting attractors and complex dynamics. An S-Box derived from this system shows promise for cryptographic applications.
Area of Science:
- Nonlinear Dynamics
- Chaos Theory
- Cryptography
Background:
- Chaotic systems are crucial for generating complex, unpredictable behavior.
- Understanding multi-stability and coexisting attractors is key in nonlinear dynamics.
- Secure cryptographic systems require robust, complex signal generation.
Purpose of the Study:
- To introduce a novel three-dimensional chaotic system with unique dynamic properties.
- To explore the system's complex behaviors, including multiple attractors and coexisting states.
- To develop and evaluate a new S-Box for cryptographic applications based on the proposed chaotic system.
Main Methods:
- Analysis of system equilibria for different parameter values.
- Numerical simulations to reveal complex dynamic behaviors.
- Design and performance testing of a novel S-Box for cryptography.
Main Results:
- The novel system exhibits multiple equilibria, including stable, saddle node, and saddle foci.
- The system demonstrates rich dynamics: mono-stability, bi-stability, periodicity, and coexisting strange attractors.
- A new S-Box was developed, showing competitive performance compared to existing designs.
Conclusions:
- The proposed 3D chaotic system offers a rich platform for studying complex dynamics and multi-stability.
- The developed S-Box shows potential for enhancing cryptographic security.
- This work bridges nonlinear dynamics with practical cryptographic applications.
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