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A New Diffusion Strategy Using an Epidemic Spreading Model for Encryption.

Wei Zhang1, Guangdong Zhu1, Meng Xing1

  • 1College of Software, Northeastern University, Shenyang 110167, China.

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|September 27, 2024
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Summary
This summary is machine-generated.

This study introduces a novel cryptography diffusion strategy inspired by epidemic models. The new method offers faster encryption speeds and enhanced security against various attacks compared to traditional linear approaches.

Keywords:
SVIR modelchaosencryptionepidemic spreading

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Area of Science:

  • Cryptography
  • Network Science
  • Epidemiology

Background:

  • Diffusion is a common phenomenon in both natural systems and cryptography.
  • Traditional cryptographic diffusion is linear, while natural diffusion, like in epidemics, can be non-linear and faster.
  • Epidemic models offer complex network structures for diffusion processes.

Purpose of the Study:

  • To propose a novel cryptography diffusion strategy based on epidemic models.
  • To leverage the non-linear transmission dynamics of epidemic models for faster and more secure encryption.
  • To analyze the effectiveness of this new approach against various cryptographic attacks.

Main Methods:

  • Representing pixels and their adjacency as a complex network (vertices and edges).
  • Integrating the Susceptible-Vaccinated-Infected-Recovered (SVIR) epidemic model with chaotic dynamics for the encryption process.
  • Simulating the proposed algorithm and evaluating its performance.

Main Results:

  • The proposed algorithm achieves faster encryption speeds.
  • The encryption method effectively resists brute force, statistical, and differential attacks.
  • The algorithm demonstrates strong robustness against noise interference and data loss.

Conclusions:

  • The proposed cryptography diffusion strategy based on epidemic models is effective and efficient.
  • This novel approach enhances security and robustness in data encryption.
  • The integration of epidemic dynamics offers a promising direction for future cryptographic research.