In this paper, to achieve a vehicle user's privacy preservation while improving the key update efficiency of location-based services (LBSs) in vehicular ad hoc networks (VANETs), we propose a dynamic privacy-preserving key management scheme called DIKE. Specifically, in the proposed DIKE scheme, we first introduce a privacy-preserving authentication technique that not only provides the vehicle user's anonymous authentication but enables double-registration detection as well. We then present efficient LBS session key update procedures: 1) We divide the session of an LBS into several time slots so that each time slot holds a different session key; when no vehicle user departs from the service session, each joined user can use a one-way hash function to autonomously update the new session key for achieving forward secrecy. 2) We also integrate a novel dynamic threshold technique in traditional vehicle-to-vehicle (V-2-V) and vehicle-to-infrastructure (V-2-I) communications to achieve the session key's backward secrecy, i.e., when a vehicle user departs from the service session, more than a threshold number of joined users can cooperatively update the new session key. Performance evaluations via extensive simulations demonstrate the efficiency and effectiveness of the proposed DIKE scheme in terms of low key update delay and fast key update ratio.


    Access

    Check access

    Check availability in my library

    Order at Subito €


    Export, share and cite



    Title :

    A Dynamic Privacy-Preserving Key Management Scheme for Location-Based Services in VANETs


    Contributors:


    Publication date :

    2012-03-01


    Size :

    679309 byte




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English




    Privacy-preserving route reporting scheme for traffic management in VANETs

    Rabieh, Khaled / Mahmoud, Mohamed M. E. A. / Younis, Mohamed | IEEE | 2015


    ARPLR: An All-Round and Highly Privacy-Preserving Location-Based Routing Scheme for VANETs

    Wang, Yunwei / Li, Xinghua / Zhang, Xiaohan et al. | IEEE | 2022


    Linkable Privacy-Preserving Scheme for Location-Based Services

    Yadav, Vijay Kumar / Verma, Shekhar / Venkatesan, Subramanian | IEEE | 2022