【摘要】：現(xiàn)有的大部分可搜索加密方案不能實現(xiàn)細粒度訪問控制,也不能精確地驗證搜索結(jié)果的正確性,并且單關鍵字檢索會返回大量不相關文檔以至于降低用戶搜索體驗.為此,借助密文策略屬性加密和私有審計服務器,文中提出一種高效的可驗證多關鍵字密文檢索方案.嚴格的安全分析表明,文中方案在隨機預言模型中能抵抗住關鍵字選擇攻擊,同時在實際數(shù)據(jù)集上的實驗結(jié)果也表明,該方案在實際應用場景中是可行的、高效的.
[Abstract]:Most of the existing searchable encryption schemes can not implement fine-grained access control and can not accurately verify the correctness of search results and single keyword retrieval will return a large number of unrelated documents and reduce the user search experience. In this paper, an efficient and verifiable multi-keyword ciphertext retrieval scheme is proposed by means of ciphertext policy attribute encryption and private audit server. Strict security analysis shows that the proposed scheme can resist keyword selection attacks in the stochastic prediction model, and the experimental results on the actual data sets also show that the scheme is feasible and efficient in practical application scenarios.
【作者單位】： 西安電子科技大學網(wǎng)絡與信息安全學院;西安電子科技大學計算機學院;
【基金】：國家863高技術研究發(fā)展計劃資助項目(2015AA016007,2005AA011704) 國家自然科學基金資助項目(61472310,61370078,61309016) 海峽基金資助項目(U1405255,U1135002) 長江學者和創(chuàng)新團隊發(fā)展計劃資助項目(IRT1078)
【分類號】：TP309
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本文編號：2190327