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L-CPPA: Lattice-based conditional privacy-preserving authentication scheme for fog computing with 5G-enabled

Abdulwahab Ali Almazroi1, Mohammed A Alqarni2, Mahmood A Al-Shareeda3

  • 1Department of Information Technology, College of Computing and Information Technology at Khulais, University of Jeddah, Jeddah, Saudi Arabia.

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|October 27, 2023
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Summary
This summary is machine-generated.

This study introduces the L-CPPA scheme to enhance security for 5G-enabled vehicular fog computing against quantum threats. It improves conditional privacy-preserving authentication for safer traffic management.

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Area of Science:

  • Cybersecurity
  • Telecommunications Engineering
  • Computer Science

Background:

  • Vehicular fog computing (VFC) leveraging Fifth Generation (5G) networks offers significant potential for enhancing traffic management and motorist safety.
  • Wireless communication in vehicles introduces critical confidentiality and safety concerns, making conditional privacy-preserving authentication (CPPA) essential.
  • Existing CPPA systems are vulnerable to quantum computing attacks, necessitating advanced security solutions.

Purpose of the Study:

  • To propose a novel security scheme, L-CPPA, designed to address the vulnerabilities of current CPPA methods in 5G-enabled vehicular fog computing environments.
  • To enhance security and anti-piracy features within 5G-based vehicle systems, particularly against emerging quantum threats.

Main Methods:

  • The L-CPPA scheme utilizes a fog server for generating and distributing secret keys to registered vehicles via a 5G-Base Station (5G-BS).
  • Master secret data for each vehicle is stored by a trusted authority on fog servers, rather than on the vehicle's Onboard Unit (OBU).

Main Results:

  • The proposed L-CPPA system demonstrates specific computation costs: 694.161 ms for message signing, 60.118 ms for single verification, and 1348.218 ms for batch verification.
  • The communication cost associated with the L-CPPA system is measured at 7757 bytes.

Conclusions:

  • The L-CPPA scheme provides a robust solution for conditional privacy-preserving authentication in 5G-enabled vehicular fog computing, addressing quantum computing threats.
  • The proposed method enhances the security of vehicle systems by securely managing master secret data and optimizing key distribution.