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Large Scale Energy Efficient Sensor Network Routing Using a Quantum Processor Unit
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Blockchain Based Secure Routing and Trust Management in Wireless Sensor Networks.

Saba Awan1, Nadeem Javaid1,2, Sameeh Ullah3

  • 1Department of Computer Science, COMSATS University Islamabad, Islamabad 44000, Pakistan.

Sensors (Basel, Switzerland)
|January 22, 2022
PubMed
Summary

This study introduces a blockchain-based model for secure wireless sensor networks, enhancing node authentication and trust evaluation to improve data integrity and network lifespan. The proposed system effectively mitigates malicious node activities, boosting packet delivery ratios.

Keywords:
Rivest–Shamir–Adlemanauthenticationblockchainsecure routingsmart contracttrust evaluationwireless sensor network

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Area of Science:

  • Computer Science
  • Cybersecurity
  • Wireless Sensor Networks

Background:

  • Wireless Sensor Networks (WSNs) face security challenges from malicious nodes consuming resources and degrading performance.
  • Limited energy, range, and computation in Sensor Nodes (SNs) make them vulnerable to attacks, reducing network lifespan.
  • Malicious nodes disrupt routing, causing retransmissions and rapid energy depletion in SNs, impacting overall network efficiency.

Purpose of the Study:

  • To propose a novel blockchain-based encryption and trust evaluation model for WSNs.
  • To enhance the security and reliability of WSNs by authenticating Aggregator Nodes (ANs) and Sensor Nodes (SNs).
  • To improve network lifespan and packet delivery ratio by identifying and mitigating malicious node activities.

Main Methods:

  • Implemented a hybrid blockchain approach for authenticating ANs (public blockchain) and SNs (private blockchain).
  • Developed a trust evaluation mechanism to compute trust values for SNs, enabling the identification of malicious nodes.
  • Integrated residual energy and trust values into a secure routing protocol.
  • Utilized Rivest-Shamir-Adleman (RSA) cryptosystem for secure data transmission.

Main Results:

  • The proposed model effectively eradicates malicious nodes from the network through trust value computation.
  • Secure routing based on residual energy and trust values significantly enhances network performance.
  • Simulation results demonstrate a high packet delivery ratio, validating the model's effectiveness.
  • The model contributes to extending the lifespan of wireless sensor networks.

Conclusions:

  • The blockchain-based encryption and trust evaluation model provides a robust solution for securing WSNs.
  • The integration of trust values and residual energy in routing enhances network resilience against malicious attacks.
  • The proposed approach effectively balances security, energy efficiency, and network longevity in WSNs.