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A decentralized authentication scheme for smart factory based on blockchain.

Zhong Cao1, Xudong Wen1, Shan Ai2

  • 1School of Electronics and Communication Engineering, Guangzhou University, Guangzhou, 510006, China.

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Summary

This study introduces a secure blockchain-based authentication scheme for the Industrial Internet of Things (IIoT) in smart factories. The federated blockchain architecture enhances device-to-device communication security and privacy across diverse manufacturing domains.

Keywords:
Decentralized authentication schemeFederated blockchainIndustrial Internet of ThingsInternal spoofingSmart factory

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Area of Science:

  • Computer Science
  • Electrical Engineering
  • Manufacturing Technology

Background:

  • The Industrial Internet of Things (IIoT) is crucial for smart manufacturing, but interconnectedness raises security and privacy concerns for device-to-device communications.
  • Existing authentication methods often rely on trusted third parties, making them vulnerable to attacks and spoofing.
  • The complexity of modern manufacturing ecosystems necessitates robust security solutions for inter-domain device collaboration.

Purpose of the Study:

  • To propose a secure and efficient distributed IoT architecture for smart factories using blockchain technology.
  • To address the security and privacy challenges in device-to-device communications within multi-domain IIoT environments.
  • To establish trust and enable secure connections between devices across different domains.

Main Methods:

  • Development of a federated blockchain-based distributed IoT architecture.
  • Implementation of a novel authentication scheme to facilitate secure inter-domain device communication.
  • Rigorous security analysis to evaluate integrity, mutual authentication, scalability, and attack resistance.
  • Efficiency analysis through experiments to assess feasibility and performance with varying network sizes.

Main Results:

  • The proposed scheme provides integrity, mutual authentication, and scalability for IIoT networks.
  • The blockchain-based authentication is resistant to four common types of attacks.
  • Experimental analysis confirms the scheme's feasibility for smart factory applications.
  • Performance and efficiency of the blockchain network improve with an increasing number of peer nodes.

Conclusions:

  • The federated blockchain architecture effectively establishes trust among diverse IoT domains in smart factories.
  • The proposed authentication scheme significantly enhances the security and privacy of device-to-device communications.
  • The solution is scalable and efficient, offering a practical approach for securing the evolving IIoT landscape.