A New Secure Communications Scheme Based on a Synchronisation of Hybrid Chaotic System

Year 2023, Volume: 5 Issue: 3, 160 - 166, 30.11.2023

Manal Messadi Karim Kemih , Hamid Hamiche

https://doi.org/10.51537/chaos.1276714

Cited By: 1

Abstract

This paper presents a novel approach for secure communication utilizing a chaotic hybrid optical bistable system and chaotic modulation. The proposed crypto system encrypts the message at the transmitter using the chaotic hybrid optical bistable system with decorrelation operation to improve the chaotic sequence's performance. The encoded message is then injected into the dynamics of the chaotic memristor system. At the receiver, the synchronization of the two chaotic systems with passive control and predictive control allows for the recovery of the message through chaotic demodulation. The effectiveness of this approach is demonstrated through numerical simulation using medical images.

Keywords

chaotic synchronization, passive control, predictive control, Chaos-based cryptography, chaotic demodulation.

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