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An Efficient Chosen-Plaintext Attack on an Image Fusion Encryption Algorithm Based on DNA Operation and Hyperchaos.

Shuqin Zhu¹, Congxu Zhu²

¹School of Computer Science, Liaocheng University, Liaocheng 252059, China.

Entropy (Basel, Switzerland)

|July 2, 2021

Summary

This study introduces a more efficient chosen-plaintext attack on DNA and hyperchaos-based image fusion encryption. The new method requires significantly fewer chosen-plaintext images to break the encryption, enhancing cryptanalysis efficiency.

Keywords:

DNA coding chosen-plaintext attack hyper-chaotic system security analysis

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Area of Science:

Cryptography
Image Processing
Applied Mathematics

Background:

Image fusion encryption algorithms are crucial for secure data transmission.
Existing cryptanalysis methods for DNA and hyperchaos-based image fusion lack optimal efficiency.
Hyperchaos and DNA computing offer unique properties for encryption but require robust security analysis.

Purpose of the Study:

To propose a novel and more efficient chosen-plaintext attack method.
To analyze and demonstrate the improved efficiency compared to existing cryptanalysis techniques.
To validate the proposed attack's effectiveness on DNA and hyperchaos-based image fusion encryption.

Main Methods:

Development of a chosen-plaintext attack strategy.
Theoretical analysis of the attack's complexity and requirements.
Experimental verification using ciphertext image dimensions (M x N).

Main Results:

The proposed attack requires substantially fewer chosen-plaintext images: (4xN/M+1) or (M/4xN+1).
This represents a significant reduction in the number of required images compared to prior art.
The attack successfully breaks the targeted image fusion encryption scheme.

Conclusions:

The proposed chosen-plaintext attack offers a more efficient cryptanalysis approach.
This research highlights potential vulnerabilities in current DNA and hyperchaos-based image fusion encryption.
Further research into more secure encryption schemes is warranted.