In vehicular networks, vehicles should be able to authenticate each other to securely communicate with network-based infrastructure, and their locations and identifiers should not be exposed from the communication messages. However, when an accident occurs, the investigating authorities have to trace down its origin. As vehicles communicate not only with RSUs (Road Side Units) but also with other vehicles, it is important to minimize the number of communication flows among the vehicles while the communication satisfies several security properties such as anonymity, authenticity, and traceability. In our paper, when the mutual authentication protocol is working between vehicles and RSUs, the protocol offers the traceability with privacy protection using pseudonyms and MAC (Message Authentication Code) chain. And by using MAC-chainas one-time pseudonyms, our protocol does not need a separate way to manage pseudonyms.


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    Title :

    Auditable and Privacy-Preserving Authentication in Vehicular Networks


    Contributors:


    Publication date :

    2008-09-01


    Size :

    344125 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English