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Pilot relaying is a type of differential protection used in power systems. It compares electrical quantities at the terminals of equipment via a communication channel instead of direct relay interconnection. This method is essential for transmission lines where the terminals are far apart, typically up to 80 km for lines with 69 to 115 kV ratings. Four types of communication channels are used for pilot relaying:
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A novel multi-stage distributed authentication scheme for smart meter communication.

Manjunath Hegde1, Adnan Anwar2, Karunakar Kotegar1

  • 1Department of Computer Applications, Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal, India.

Peerj. Computer Science
|July 29, 2021
PubMed
Summary
This summary is machine-generated.

This study introduces a new secure authentication scheme for smart meters, protecting energy data from cyber threats. The proposed method ensures robust security for smart grid communications, enhancing overall system reliability and data integrity.

Keywords:
AuthenticationCybersecuritySecuritySmart gridSmart meter

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Area of Science:

  • Cybersecurity
  • Energy Systems
  • Network Security

Background:

  • Smart meters are crucial for energy data management but vulnerable to cyberattacks.
  • Existing authentication schemes often lack support for multi-party communication in smart grids.
  • Ensuring smart meter data security is vital for critical energy infrastructure.

Purpose of the Study:

  • To propose a distributed, dynamic multistage authenticated key agreement scheme for smart meter communication.
  • To provide secure authentication among smart meters, NAN gateways, and SCADA energy centers.
  • To enhance the security and reliability of smart grid infrastructure.

Main Methods:

  • Developed a distributed, dynamic multistage authenticated key agreement scheme.
  • Conducted rigorous cryptanalysis to assess resistance against various attacks.
  • Formally proved security using the CK-model and BAN logic.
  • Simulated the scheme using the AVISPA tool for verification against active attacks.

Main Results:

  • The proposed scheme effectively resists replay, insider, impersonation, and man-in-the-middle attacks.
  • Achieved perfect forward secrecy, device anonymity, and data confidentiality.
  • Formal proofs and simulations confirm the scheme's security and robustness.
  • Efficiency analysis shows favorable computation, communication, and functional costs compared to existing schemes.

Conclusions:

  • The proposed scheme offers a secure and robust solution for smart meter authentication in distributed smart grid environments.
  • It enhances data protection and network reliability against sophisticated cyber threats.
  • The scheme represents a significant advancement in securing critical energy infrastructure.