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Efficient Certificate-Less Aggregate Signature Scheme with Conditional Privacy-Preservation for Vehicular Ad Hoc

Thokozani Felix Vallent1, Damien Hanyurwimfura1, Chomora Mikeka2

  • 1African Center of Exellence in Internet of Things (ACEIoT), College of Science and Technology, University of Rwanda, KN Street Nyarugenge, Kigali P.O. Box 3900, Rwanda.

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Summary
This summary is machine-generated.

This study introduces a secure and efficient certificate-less aggregate scheme (ECLAS) for Vehicular Ad hoc Networks (VANETs) in smart grid environments. The ECLAS scheme enhances security and privacy while minimizing computational overhead for vehicle communications.

Keywords:
aggregationcertificate-lessprivacy-preservingsignaturesmart gridvehicular ad hoc network

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Area of Science:

  • Computer Science
  • Cybersecurity
  • Network Engineering

Background:

  • Vehicular Ad hoc Networks (VANETs) offer applications in road safety and navigation but face significant security and privacy vulnerabilities due to open communication environments.
  • Addressing cybersecurity challenges in VANETs with minimal computational overhead remains a critical research area.

Purpose of the Study:

  • To design a secure and efficient certificate-less aggregate scheme (ECLAS) tailored for VANETs within smart grid scenarios.
  • To enhance conditional privacy preservation and resolve the Key Generation Center (KGC) escrow problem.

Main Methods:

  • The proposed ECLAS scheme utilizes elliptic curve cryptography.
  • It incorporates time-validated pseudo-identifications for vehicles to ensure conditional privacy.
  • The scheme avoids computationally intensive operations like bilinear pairings.

Main Results:

  • Performance evaluations demonstrate that ECLAS is more efficient than existing schemes by excluding expensive computations.
  • The communication cost of ECLAS is found to be within an acceptable range for VANETs in smart grid environments.
  • The scheme effectively addresses security and privacy concerns.

Conclusions:

  • The ECLAS scheme provides a secure and efficient solution for VANETs in smart grid applications.
  • It offers a practical approach to balancing security, privacy, and computational efficiency in vehicular networks.