An Experimental Realization of a Chaos-Based Secure Communication Using Arduino Microcontrollers

Area of Science:

• Computer Science
• Information Security
• Applied Mathematics

Background:

• Security and secrecy are critical in modern communications.
• Chaos-based encryption is gaining traction due to the unpredictable nature of chaotic signals.
• Existing encryption methods require continuous improvement for robust information protection.

Purpose of the Study:

• To propose a digital communication system utilizing chaos-based encryption.
• To implement a secure communication scheme using the logistic map for message and key encryption.
• To experimentally validate the proposed system's functionality and security.

Main Methods:

• A digital communication system was designed using the logistic map for encryption.
• The input message signal was modulated using a Delta modulator and encrypted.
• The key signal was encrypted using the same logistic map with distinct initial conditions.
• The system was experimentally tested using Arduino shields for practical implementation.

Main Results:

• The proposed system successfully demonstrated a method for encrypting and decrypting messages using a chaos-based approach.
• Experimental validation using Arduino shields confirmed the feasibility of the implemented digital communication system.
• The use of the logistic map provided a secure encryption mechanism for the transmitted information.

Conclusions:

• The developed chaos-based encryption system offers a viable solution for enhancing digital communication security.
• The logistic map serves as an effective tool for generating unpredictable signals for encryption purposes.
• The experimental implementation validates the practical application of this secure communication scheme.