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Image encryption scheme based on thorp shuffle and pseudo dequeue.

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Summary
This summary is machine-generated.

This study introduces a novel four-dimensional hyperchaotic image encryption scheme using Thorp shuffle and pseudo dequeue. The proposed method enhances image data transmission security with high efficiency and excellent anti-attack performance.

Keywords:
Bit-plane diffusionDNA encodingImage encryptionImproved chaotic systemThorp shuffle

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Area of Science:

  • Cryptography
  • Information Security
  • Applied Mathematics

Background:

  • Image data transmission security is critical.
  • Existing encryption methods face challenges in efficiency and robustness.
  • Hyperchaotic systems offer complex dynamics for secure encryption.

Purpose of the Study:

  • To propose a novel four-dimensional hyperchaotic image encryption scheme.
  • To enhance the security and efficiency of image data transmission.
  • To evaluate the proposed algorithm's anti-attack capabilities.

Main Methods:

  • Improved four-dimensional Chen chaotic system for hyperchaotic behavior.
  • SHA-256 algorithm for initial key generation.
  • Index scrambling, double-ended Thorp shuffle, and multiplane bit diffusion for encryption.

Main Results:

  • Maximum Lyapunov exponent of the hyperchaotic system reaches 11.3.
  • Cipher image information entropy achieves 7.9994.
  • High performance in statistical, differential, and noise attack analyses.

Conclusions:

  • The proposed algorithm offers high encryption efficiency and security.
  • The scheme demonstrates excellent anti-attack performance.
  • This method is suitable for secure image data transmission.