文章摘要
Miraj Asghar,Lei Pan,Robin Doss.[J].重庆邮电大学新办英文刊,2020,(4):422-432
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An efficient voting based decentralized revocation protocol for vehicular ad hoc networks
Received: January 15, 2019  Revised: February 19, 2020
DOI:https://doi.org/10.1016/j.dcan.2020.03.001
中文关键词: 
英文关键词: VANETs;Security;Authentication;Public key infrastructure;Decentralized revocation
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AuthorInstitutionE-mail
Miraj Asghar Centre for Cyber Security Research and Innovation (CSRI), Deakin University, Geelong, 3220, Australia masgha@deakin.edu.au 
Lei Pan Centre for Cyber Security Research and Innovation (CSRI), Deakin University, Geelong, 3220, Australia  
Robin Doss Centre for Cyber Security Research and Innovation (CSRI), Deakin University, Geelong, 3220, Australia  
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中文摘要:
      
英文摘要:
      Vehicular Ad-hoc NETworks (VANETs) enable cooperative behaviors in vehicular environments and are seen as an integral component of Intelligent Transportation Systems (ITSs). The security of VANETs is crucial for their successful deployment and widespread adoption.A critical aspect of preserving the security and privacy of VANETs is the efficient revocation of the ability of misbehaving or malicious vehicles to participate in the network. This is usually achieved by revoking the validity of the digital certificates of the offending nodes and by maintaining and distributing an accurate Certificate Revocation List (CRL). The immediate revocation of misbehaving vehicles is of prime importance for the safety of other vehicles and users.In this paper,we present a decentralized revocation approach based on Shamir’s secret sharing to revoke misbehaving vehicles with very low delays. Besides enhancing VANETs’ security, our proposed protocol limits the size of the revocation list to the number of the revoked vehicles. Consequently, the authentication process is more efficient, and the communication overhead is reduced. We experimentally evaluate our protocol to demonstrate that it provides a reliable solution to the scalability, efficiency and security of VANETs.