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EPA: An efficient and privacy-aware revocation mechanism for vehicular ad hoc networks

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Hernández Gañan, Carlos
Muñoz Tapia, José LuisMés informacióMés informacióMés informació
Esparza Martín, ÓscarMés informacióMés informacióMés informació
Mata Diaz, JorgeMés informacióMés informacióMés informació
Alins Delgado, Juan JoséMés informacióMés informacióMés informació
Document typeArticle
Defense date2015-08-01
PublisherElsevier
Rights accessOpen Access
Attribution-NonCommercial-NoDerivs 3.0 Spain
Except where otherwise noted, content on this work is licensed under a Creative Commons license : Attribution-NonCommercial-NoDerivs 3.0 Spain
ProjectEquipo de Investigación Avanzada en Seguridad y Privacidad de la Información (ARES: team for Advanced REsearch on information Security and privacy (MEC-CSD2007-00004)
ARQUITECTURA DE TRANSPORTE SEGURA Y ROBUSTA PARA SERVICIOS DE INFOTAINMENT EN REDES VEHICULARES (MICINN-TEC2011-26452)
Abstract
Security is vital for the reliable operation of vehicular ad hoc networks (VANETs). One of the critical security issues is the revocation of misbehaving vehicles. While essential, revocation checking can leak private information. In particular, repositories receiving the certificate status queries could infer the identity of the vehicles posing the query and the target of the query. An important loss of privacy results from this ability to tie the checking vehicle with the query's target, due to their likely willingness to communicate. In this paper, we propose an Efficient and Privacy-Aware revocation Mechanism (EPA) based on the use of Merkle Hash Trees (MHT) and a Crowds-based anonymous protocol, which replaces the time-consuming certificate revocation lists checking process. EPA provides explicit, concise, authenticated and unforgeable information about the revocation status of each certificate while preserving the users' privacy. Moreover, EPA reduces the security overhead for certificate status checking, and enhances the availability and usability of the revocation data. By conducting a detailed performance evaluation, EPA is demonstrated to be reliable, efficient, and scalable.
CitationGañán, C., Muñoz, J., Esparza, O., Mata, J., Alins, J. EPA: An efficient and privacy-aware revocation mechanism for vehicular ad hoc networks. "Pervasive and mobile computing", 01 Agost 2015, vol. 21, p. 75-91. 
URIhttp://hdl.handle.net/2117/83678
DOI10.1016/j.pmcj.2014.01.002
ISSN1574-1192
Publisher versionhttp://www.sciencedirect.com/science/article/pii/S1574119214000194
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  • Departament d'Enginyeria Telemàtica - Articles de revista [429]
  • ISG - Grup de Seguretat de la Informació - Articles de revista [50]
  • RFEMC - Grup de Radiofreqüència i Compatibilitat Electromagnètica en Xarxes de Comunicacions - Articles de revista [50]
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