On the revocation of malicious users in anonymous and non-traceable VANETs

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Títol: On the revocation of malicious users in anonymous and non-traceable VANETs
Autors: Caballero Gil, Cándido | Molina Gil, Jezabel | Hernández Serrano, Juan | León, Olga | Soriano Ibáñez, Miguel
Paraules clau: VANET | Revocation | k-anonymity
Àrees de coneixement: Ciencia de la Computación e Inteligencia Artificial
Data de publicació: de setembre-2014
Editor: Universidad de Alicante
Citació bibliogràfica: Actas de la XIII Reunión Española sobre Criptología y Seguridad de la Información : celebrado del 5 al 8 de septiembre 2014, Alicante, pp. 87-91
Resum: For the proper performance of Vehicular Ad-hoc NETworks (VANETs) it is essential to protect the service against malicious nodes aiming at disrupting the proper operation by injecting fake, invalid data into the network. It is common to define a traditional identity-based authentication for vehicles, which are loaded with individual credentials. However, the use of these credentials in VANETs may allow vehicle tracking and thus violate users’ privacy, a risk that can be overcome by means of anonymity schemes. This comes at the expenses, however, of on the one hand preventing VANET authorities from identifying malicious users and revoking them from the network, or on the other hand to avoid anonymity of users in front of the CA thus to allow their revocation. In this work, we describe a novel revocation scheme that is able to track and revoke specific users only after a number of complaints have been received while otherwise guaranteeing vehicle’s anonymity.
Patrocinadors: This work was partially supported by the Spanish Ministerio de Economía y Competitividad, the Spanish Comisión Interministerial de Ciencia y Tecnología, the Spanish Ministerio de Industria, Energía y Turismo, the Generalitat de Catalunya and European FEDER funds under the projects: MINECO TUERI (TIN2011-25452), CICYT TAMESIS (TEC2011-22746), INNPACTO DEPHISIT (IPT-2012-0585-370000), CONSOLIDER ARES (CSD2007-00004), as well as the grant 2009 SGR-1362 to consolidated research groups, the funding of which is gratefully acknowledged.
URI: http://hdl.handle.net/10045/40401
ISBN: 978-84-9717-323-0
Idioma: eng
Tipus: info:eu-repo/semantics/conferenceObject
Revisió científica: si
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