Securing information dissemination is extremely important for various vehicular ad hoc networks (VANETs) applications. However, most of the applications require disseminating the critical information only to the authorized vehicles through V2I (Vehicle to Infrastructure) communications. Moreover, V2I communications usually suffer from incomplete information to vehicles in one RSU’s transmission range. Therefore, it is an even challenging task that how to ensure reliable dissemination of encrypted data to the recipient vehicles in multi-RSU settings. We propose a security-aware information dissemination scheme with fine-grained access control in cooperative multi-RSU of VANETs. Our proposed scheme uses ciphertext-policy attribute-based encryption (CP-ABE) to ensure confidential communication in a broadcasting way, which ensures that only the vehicles that satisfy the access control policy can have the ability to access the information; and we employ proxy re-encryption in the communication protocol to make sure the moving vehicles in high-speed can get the whole encrypted information. Performance analysis shows that our scheme can enable fine-grained access control for the broadcasted information, and make sure the vehicles receive reliable information in the whole disseminating process. And our scheme is applicable and efficient in various scenarios of information dissemination, especially in cooperative multi-RSU of VANETs.


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    Title :

    Security-Aware Information Dissemination With Fine-Grained Access Control in Cooperative Multi-RSU of VANETs


    Contributors:
    Liu, Xuejiao (author) / Chen, Wei (author) / Xia, Yingjie (author)


    Publication date :

    2022-03-01


    Size :

    2099587 byte




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English



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