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BlockAuth: A blockchain-based framework for secure vehicle authentication and authorization.

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This study introduces BlockAuth, a decentralized system for secure vehicle authentication and authorization. It enhances Intelligent Transport Systems (ITS) by eliminating single points of failure and ensuring data integrity.

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Area of Science:

  • Computer Science
  • Cybersecurity
  • Transportation Engineering

Background:

  • Current Intelligent Transport Systems (ITS) often rely on centralized Trusted Authorities (TAs) for vehicle authentication and authorization.
  • Centralized TAs pose risks to privacy, system integrity, and create single points of failure, potentially collapsing the entire system.
  • Existing architectures struggle with secure cross-border vehicle identification and credential management.

Purpose of the Study:

  • To propose a novel decentralized architecture, "BlockAuth", for secure vehicle authentication and authorization in cross-border Intelligent Transport Systems (ITS).
  • To address the vulnerabilities associated with centralized Trusted Authorities (TAs) in existing ITS frameworks.
  • To introduce a "Proof of Authenticity and Integrity" process for enhanced credential security.

Main Methods:

  • Development of a decentralized "BlockAuth" architecture using Hyperledger Fabric.
  • Implementation of a unique "Proof of Authenticity and Integrity" verification process.
  • Focus on minimal computational overhead (under 2%) for authentication and authorization.

Main Results:

  • BlockAuth ensures secure vehicle authentication and authorization with minimal computational overhead.
  • The decentralized approach enhances system resilience and eliminates single points of failure.
  • The "Proof of Authenticity and Integrity" process redirects vehicles to their home country for secure credential validation.

Conclusions:

  • BlockAuth offers a robust, decentralized solution for vehicle authentication and authorization in ITS, improving security and privacy.
  • The architecture supports global access and enforces security principles like separation of duty and least privilege.
  • Hyperledger Fabric implementation demonstrates the feasibility and efficiency of BlockAuth for modern transportation systems.