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Symmetric encryption algorithms using chaotic and non-chaotic generators: A review.

Ahmed G Radwan1, Sherif H AbdElHaleem2, Salwa K Abd-El-Hafiz2

  • 1Engineering Mathematics Department, Faculty of Engineering, Cairo University, Giza 12613, Egypt; Nanoelectronics Integrated Systems Center (NISC), Nile University, Cairo, Egypt.

Journal of Advanced Research
|March 12, 2016
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Summary

This study evaluates 27 symmetric image encryption algorithms, including chaotic and non-chaotic methods. Results offer insights into algorithm performance and security for robust image data protection.

Keywords:
Chaotic mapChessFractalsPermutation matrixSymmetric encryption

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Area of Science:

  • Computer Science
  • Cryptography
  • Information Security

Background:

  • Image encryption is crucial for secure data transmission.
  • Existing methods often rely on chaotic systems, but non-chaotic approaches offer alternatives.
  • A comprehensive comparison of diverse encryption algorithms is needed.

Purpose of the Study:

  • To evaluate and compare the performance of 27 symmetric image encryption algorithms.
  • To analyze algorithms based on chaotic and non-chaotic generators.
  • To assess the security and sensitivity of various encryption techniques.

Main Methods:

  • Implementation of substitution-only, permutation-only, and combined algorithms.
  • Utilizing discrete chaotic maps (Arnold's cat map, generalized maps), Lorenz system, fractals, and chess-based generators.
  • Analysis using correlation coefficients, Mean Square Error (MSE), entropy, differential attacks, and NIST SP-800-22 tests.

Main Results:

  • Performance metrics like correlation, MSE, and entropy were calculated for each algorithm.
  • Sensitivity analyses demonstrated the impact of key changes on encrypted images.
  • Non-chaotic generators showed promising results, particularly fractal-based substitution and chess-based permutation.

Conclusions:

  • The study provides a detailed comparison of symmetric image encryption algorithms.
  • Both chaotic and non-chaotic methods have strengths and weaknesses.
  • The findings contribute to selecting secure and efficient image encryption techniques.