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    ARTICLE

    Searchable Encryption with Access Control on Keywords in Multi-User Setting

    Lei Li1, Chungen Xu1, *, Xiaoling Yu1, Bennian Dou1, Cong Zuo2

    Journal of Cyber Security, Vol.2, No.1, pp. 9-23, 2020, DOI:10.32604/jcs.2020.06313

    Abstract Searchable encryption technology makes it convenient to search encrypted data with keywords for people. A data owner shared his data with other users on the cloud server. For security, it is necessary for him to build a fine-grained and flexible access control mechanism. The main idea of this paper is to let the owner classify his data and then authorizes others according to categories. The cloud server maintains a permission matrix, which will be used to verify whether a trapdoor is valid or not. In this way we can achieve access control and narrow the More >

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