AN EFFICIENT HOMOMORPHIC ENCRYPTION AND PUF AUTHENTICATION WITH SWO-QBFT CONSENSUS ALGORITHM FOR SECURE SMART GRID INFRASTRUCTURE

HEAAN-PUF based authentication with SWO-QBFT for smart grid

Authors

  • Prasanna Kumar Mallikarjunaiah Nitte Meenakshi Institute of Technology
  • Nalini Niranjan Nitte Meenakshi Institute of Technology

DOI:

https://doi.org/10.55766/sujst4115

Keywords:

HEAAN, IPFS, OQBFT, PUF, Smart grid, SWO

Abstract

Smart grid is an advanced electrical infrastructure that incorporates communication and information technologies to enable power firms and consumers to exchange data in bidirectional. However, there are serious security risks associated with relying on an unsecured open network. To overcome the drawbacks, an efficient HEAAN-PUF based IoT device authentication with SWO-QBFT for smart grid infrastructure has been proposed. Initially IoT device is registered and authenticated using Physical Unclonable Function (PUF) authentication, which provides a unique response for each device with an Interplanetary File System (IPFS). Homomorphic Encryption for Arithmetic of Approximate Numbers (HEAAN) cryptography algorithm was then utilized to generate the key for encrypting the data and stored in IPFS. Blockchain based on consensus algorithm as Spider Wasp Optimization (SWO) with Quorum Byzantine Fault Tolerance Protocol (SWO-QBFT) utilized to choose the best validators for secure data transmission and stored an IPFS hash address. Performance metrics-based analysis and comparison of the proposed HEAAN-OQBFT technique with existing approaches are conducted. Performance metrics like encryption and decryption times, key and block generation times, throughput, Packet Delivery Ratio (PDR), and Packet Loss (PL) are acquired in order to determine the performance of the proposed method. Time required for Block creation, encryption, decryption, and key generation takes up 0.19 ms, 0.013 ms, 0.023 ms and 0.93 ms with is 497 Kbps throughput, 1% packet loss, and 99% PDR. The metrics therefore clearly show that the proposed method successfully stores and secures smart grid data by integrating OQBFT with an effective HEAAN cryptography.

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Published

2025-11-10

How to Cite

Mallikarjunaiah, P. K., & Niranjan, N. (2025). AN EFFICIENT HOMOMORPHIC ENCRYPTION AND PUF AUTHENTICATION WITH SWO-QBFT CONSENSUS ALGORITHM FOR SECURE SMART GRID INFRASTRUCTURE: HEAAN-PUF based authentication with SWO-QBFT for smart grid. Suranaree Journal of Science and Technology, 32(6), 010380(1–14). https://doi.org/10.55766/sujst4115

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