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Related Experiment Video

Updated: Jul 23, 2025

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Lightweight Authentication Mechanism for Industrial IoT Environment Combining Elliptic Curve Cryptography and Trusted

Yu-Sheng Yang1, Shih-Hsiung Lee2, Jie-Min Wang3

  • 1Department of Engineering Science, National Cheng Kung University, Tainan City 701, Taiwan.

Sensors (Basel, Switzerland)
|July 11, 2023
PubMed
Summary

This study introduces a secure authentication mechanism for Industry 4.0 environments, using elliptic curve cryptography and trusted tokens to protect Internet of Things (IoT) device data transmission against cyber threats.

Keywords:
authenticationelliptic curve cryptographyindustrial Internet of Things (IIoT)token

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Area of Science:

  • Industrial Internet of Things (IIoT) security
  • Cybersecurity in manufacturing
  • Applied cryptography

Background:

  • Industry 4.0 relies on interconnected Internet of Things (IoT) devices for data collection and equipment monitoring.
  • Networked communication in factories presents significant security vulnerabilities, including data theft, tampering, and false data injection by attackers.
  • Ensuring data integrity and confidentiality from legitimate IoT devices is crucial for reliable factory operations.

Purpose of the Study:

  • To propose a robust authentication mechanism for terminal IoT devices and backend servers in industrial settings.
  • To address security challenges like device impersonation and data breaches in Industry 4.0 environments.
  • To enhance the security of data transmission through encryption and verification.

Main Methods:

  • Implementation of an authentication mechanism combining elliptic curve cryptography (ECC) and trusted tokens.
  • Utilizing the Transport Layer Security (TLS) protocol for packet encryption.
  • Establishing mutual authentication between terminal IoT devices and backend servers prior to data exchange.

Main Results:

  • The proposed mechanism effectively prevents attackers from imitating legitimate devices and injecting false data.
  • Data packets are encrypted using TLS, safeguarding content even if intercepted.
  • Security analysis confirms resilience against replay, eavesdropping, man-in-the-middle, and simulated attacks, while supporting mutual authentication and forward secrecy.
  • Experimental results show a 73% efficiency improvement due to ECC's lightweight nature.

Conclusions:

  • The developed authentication mechanism ensures data source authenticity and correctness in industrial IoT environments.
  • The system provides enhanced security and operational efficiency for Industry 4.0 data transmission.
  • The lightweight ECC-based approach offers a practical and effective solution for securing factory networks.