The advancement in vehicles has enabled crowdsensing in vehicular fog computing (VFC), where vehicles are recruited to be assigned different subtasks and participate sensing activities that may disclose their sensitive information. To stimulate more participants, VFC systems should be able to provide reliable and privacy-preserving data transmission and processing mechanisms for the sensing report. To ensure the report process, we present a reliable and privacy- preserving task recomposition (REPTAR) for multiple subtasks sensing in VFC. Modified homomorphic Paillier encryption and superincreasing sequence are employed for aggregating hybrid subtasks into one ciphertext. Reliability is verified by means and variances of each aggregated subtasks from different vehicular fog nodes. Detailed security analysis and performance evaluation are provided to demonstrate the security, privacy-enhancement, efficiency and low complexity of the proposed REPTAR.


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    Titel :

    Reliable and Privacy-Preserving Task Recomposition for Crowdsensing in Vehicular Fog Computing


    Beteiligte:
    Wang, Biying (Autor:in) / Chang, Zheng (Autor:in) / Zhou, Zhenyu (Autor:in) / Ristaniemi, Tapani (Autor:in)


    Erscheinungsdatum :

    2018-06-01


    Format / Umfang :

    4030780 byte





    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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