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Large Scale Energy Efficient Sensor Network Routing Using a Quantum Processor Unit
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Integrated IoT-Based Secure and Efficient Key Management Framework Using Hashgraphs for Autonomous Vehicles to Ensure

Sudan Jha1, Nishant Jha2, Deepak Prashar2

  • 1School of Sciences, Christ (Deemed to be University), NCR-New Delhi Campus, Ghaziabad 201003, India.

Sensors (Basel, Switzerland)
|April 12, 2022
PubMed
Summary

This study introduces a hashgraph-based key management framework for secure autonomous vehicle communication. It enhances security and efficiency over traditional blockchain systems, improving data integrity and privacy in vehicular networks.

Keywords:
Ethereumautonomous vehiclesbatch rekeyingblockchainhashgraphlogical key hierarchy

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Area of Science:

  • Cybersecurity in transportation systems.
  • Decentralized network architectures.
  • Applied cryptography and key management.

Background:

  • Autonomous vehicles (AVs) utilize Vehicular Ad hoc Networks (VANETs) for communication, often in a centralized manner.
  • Centralized VANETs are vulnerable to cyber-attacks, risking data loss and road accidents.
  • Existing key management solutions in centralized VANETs struggle to ensure data integrity and privacy.

Purpose of the Study:

  • To address the limitations of centralized VANETs and blockchain-based key management in AVs.
  • To propose an advanced, secure, and efficient key management framework for AV communication.
  • To leverage hashgraph technology for enhanced performance and security in vehicular networks.

Main Methods:

  • Developed a novel key management framework utilizing hashgraph technology.
  • Integrated concepts of Leaving of Vehicles (LoV) and Logical Key Hierarchy (LKH).
  • Employed Batch Rekeying for efficient key updates.
  • Tested and compared the framework's performance against existing systems.

Main Results:

  • The proposed hashgraph-based framework demonstrates improved transaction processing capabilities compared to traditional blockchains.
  • The system effectively ensures data integrity and stakeholder privacy in vehicular networks.
  • Evaluations show competitive transaction compilation times and manageable changes in traffic rates.

Conclusions:

  • Hashgraph technology offers significant advantages over traditional blockchains for AV key management due to its speed and security.
  • The developed framework provides a robust solution for secure communication in autonomous vehicular networks.
  • This approach enhances the overall safety and efficiency of autonomous driving systems.