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Large Scale Energy Efficient Sensor Network Routing Using a Quantum Processor Unit
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A Lightweight Authentication and Key Agreement Protocol for IoT-Enabled Smart Grid System.

Chen Chen1,2, Hua Guo1,3, Yapeng Wu1,3

  • 1School of Cyber Science and Technology, Beihang University, Beijing 100191, China.

Sensors (Basel, Switzerland)
|April 28, 2023
PubMed
Summary

This study enhances smart grid security by introducing a new authentication and key agreement protocol. The improved protocol offers greater protection against cyber attacks for IoT-enabled smart grids.

Keywords:
IoTauthentication and key agreement protocolinsider attacklightweightsmart grid

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Area of Science:

  • Computer Science
  • Electrical Engineering
  • Cybersecurity

Background:

  • The Internet of Things (IoT) enables smart grids to collect consumer electricity data, but this introduces security vulnerabilities.
  • Existing authentication and key agreement protocols for smart grids often fail to provide adequate protection against cyber attacks.
  • Previous research has shown vulnerabilities in current smart grid security protocols.

Purpose of the Study:

  • To analyze the security flaws of an existing authentication and key agreement protocol in IoT-enabled smart grids.
  • To propose an improved, lightweight authentication and key agreement protocol for enhanced smart grid security.
  • To ensure the security of communication in IoT-enabled smart grid systems against various threats.

Main Methods:

  • Security analysis of an existing protocol by simulating an insider attacker.
  • Development and presentation of a novel lightweight authentication and key agreement protocol.
  • Formal security proof of the proposed protocol under the real-or-random oracle model.

Main Results:

  • The existing protocol was found to be vulnerable to attacks, failing to meet claimed security requirements.
  • The proposed improved protocol demonstrates enhanced security against both internal and external attackers.
  • The new protocol maintains the same computation efficiency (0.0552 ms) as the original, with acceptable communication overhead (236 bytes).

Conclusions:

  • The developed lightweight authentication and key agreement protocol significantly enhances the security of IoT-enabled smart grids.
  • The proposed protocol offers superior security compared to the original scheme without compromising computational efficiency.
  • This research provides a more secure solution for smart grid communication with comparable resource utilization.