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Related Experiment Video

Updated: Sep 17, 2025

Automated Deployment of an Internet Protocol Telephony Service on Unmanned Aerial Vehicles Using Network Functions Virtualization
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A lightweight certificateless aggregate signature scheme without pairing for VANETs.

Qiuling Yue1, Weijian Jiang1, Hong Lei2,3

  • 1School of Cyberspace Security(School of Cryptology), Hainan University, Haikou, 570228, China.

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|July 3, 2025
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Summary

This study enhances certificateless aggregate signature schemes (CLAS) for vehicular ad-hoc networks (VANETs) by fixing vulnerabilities to rogue key attacks. The improved CLAS scheme offers better security and efficiency for secure message aggregation and authentication.

Keywords:
AuthenticationCertificateless Aggregate Signature (CLAS)Rogue-Key AttackVehicular Ad-Hoc Networks(VANETs)

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Area of Science:

  • Computer Science
  • Network Security

Background:

  • Certificateless aggregate signature schemes (CLAS) are crucial for secure vehicular ad-hoc networks (VANETs) due to efficient message aggregation and authentication without certificate management.
  • A recent CLAS scheme by Zheng et al. is efficient and privacy-preserving but vulnerable to temporary rogue key attacks, allowing forged aggregate signatures.

Purpose of the Study:

  • To address the vulnerability of temporary rogue key attacks in existing CLAS for VANETs.
  • To propose a security-enhanced CLAS scheme that effectively resists rogue key attacks.

Main Methods:

  • The proposed scheme incorporates an additional aggregator's signature.
  • Simultaneous verification of both the aggregator's signature and the aggregate signature is implemented.
  • Rigorous security analysis and performance evaluation experiments were conducted.

Main Results:

  • The enhanced CLAS scheme effectively resists temporary rogue key attacks.
  • Experimental results demonstrate significant advantages in computational efficiency and communication cost compared to other schemes.
  • The proposed scheme maintains security while improving performance.

Conclusions:

  • The security-enhanced CLAS scheme provides a robust solution for secure message aggregation and authentication in VANETs.
  • The improved scheme offers a valuable reference for designing secure solutions in related fields.
  • The method balances enhanced security with practical performance benefits.