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A chaotic parallel hash engine with dynamic stochastic diffusion for blockchain and cloud security.

Qianyun Wang1, Yijun Yang2,3, Ming Zhao3

  • 1Anhui Vocational College of Press and Publication, Hefei, 230601, Anhui, China.

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|October 31, 2025
PubMed
Summary
This summary is machine-generated.

This study introduces improved cellular automata (CAs) for designing robust cryptographic hash functions. Enhanced CA rules boost randomness, collision resistance, and efficiency for secure digital information.

Keywords:
Cellular automataCollision-resistanceCryptographic hash algorithmStochastic diffusion model

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Area of Science:

  • Computer Science
  • Cryptography
  • Information Security

Background:

  • Cryptographic hash functions are vital for digital security.
  • Cellular automata (CAs) offer parallelism and simplicity but have limitations for cryptographic use.
  • Traditional CAs may lack sufficient randomness, collision resistance, and avalanche effect.

Purpose of the Study:

  • To design improved cryptographic hash functions using cellular automata.
  • To enhance the cryptographic properties of CAs for better security.
  • To develop a robust and efficient hash function suitable for diverse applications.

Main Methods:

  • Refining cellular automata rules for enhanced cryptographic properties.
  • Incorporating random chaotic rules into CA design.
  • Optimizing CA parameters for improved performance.
  • Leveraging CA parallelism for efficient data processing.

Main Results:

  • The proposed hash function demonstrates excellent randomness.
  • High collision resistance and avalanche effect achieved.
  • Significant improvements in computational efficiency due to parallel processing.
  • The design meets the stringent requirements for cryptographic applications.

Conclusions:

  • Improved cellular automata offer a viable approach for designing secure cryptographic hash functions.
  • The enhanced CA design provides a robust and efficient solution for digital information security.
  • This method is suitable for a wide range of security applications requiring reliable hashing.