Secure key-aggregation authorized searchable encryption

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英文篇名：Secure key-aggregation authorized searchable encryption 作者：Haijiang ; WANG ; Xiaolei ; DONG ; Zhenfu ; CAO ; Dongmei ; LI ; Nanyuan ; CAO 英文作者：Haijiang WANG;Xiaolei DONG;Zhenfu CAO;Dongmei LI;Nanyuan CAO;School of Information and Electronic Engineering, Zhejiang University of Science and Technology;Department of Computer Science and Engineering, Shanghai Jiao Tong University;Shanghai Key Lab for Trustworthy Computing, East China Normal University; 中文刊名：JFXG 英文刊名：中国科学:信息科学(英文版) 机构：School of Information and Electronic Engineering, Zhejiang University of Science and Technology;Department of Computer Science and Engineering, Shanghai Jiao Tong University;Shanghai Key Lab for Trustworthy Computing, East China Normal University; 出版日期：2019-02-15 07:01 出版单位：Science China(Information Sciences) 年：2019 期：v.62 基金：supported in part by National Natural Science Foundation of China (Grant Nos. 61632012, 61672239);; in part by Shanghai High-Tech Field Project (Grant No. 16511101400);; in part by Fundamental Research Funds for the Central Universities 语种：英文; 页：JFXG201903025 页数：3 CN：03 ISSN：11-5847/TP 分类号：220-222

摘要

<正>Dear editor,Selective sharing of encrypted documents with other users makes the cloud storage system more flexible and effective [1]. For safety reasons, data owners use different keys to encrypt different documents. However, data owners need to distribute all keys to the query users for data sharing. Similarly,
        

引文

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    1)lθthe length of a random string under system security parameter.
    2)lm denotes the length of message.
    3)Φ(x,ID,S)is the(n-|S|-1)-degree polynomial defined asΦ(x,ID,S)=n i=1(x+i)zi.Φi is the coefficient of xi,andΦ0=0.