適合移動云存儲的基于屬性的關鍵詞搜索加密方案
發(fā)布時間:2018-03-29 14:51
本文選題:移動云存儲 切入點:可搜索加密 出處:《計算機研究與發(fā)展》2017年10期
【摘要】:近年來,隨著移動設備性能的不斷提升和移動互聯(lián)網(wǎng)的迅猛發(fā)展,越來越多的移動終端參與云端數(shù)據(jù)存儲與共享.為了更好地解決資源受限的移動設備參與云端數(shù)據(jù)共享的安全和效率問題,基于支持通配符的與門訪問結(jié)構(gòu),提出了一種高效的基于屬性的關鍵詞搜索加密方案,并證明了其在標準模型下滿足選擇關鍵詞明文攻擊的不可區(qū)分安全性和關鍵詞安全性.該方案采用韋達定理使得每個屬性僅需用一個元素表示,方案中索引長度固定,陷門和密鑰的長度及陷門算法和搜索算法的計算復雜度與訪問結(jié)構(gòu)中可使用的通配符數(shù)量上限成正比,同時,移除了索引和陷門傳輸過程中的安全信道,進一步降低了開銷.效率分析表明:與其他方案相比,該方案的計算開銷和通信開銷較小,更加適用于移動云存儲環(huán)境.
[Abstract]:In recent years, with the continuous improvement of mobile device performance and the rapid development of mobile Internet, More and more mobile terminals participate in cloud data storage and sharing. An efficient keyword search encryption scheme based on attributes is proposed. It is proved that the indiscernible security and keyword security of selecting keyword plaintext attack are satisfied in the standard model. In this scheme, only one element is required for each attribute, and the index length in the scheme is fixed. The length of trapdoor and key and the computational complexity of trapping algorithm and search algorithm are proportional to the upper limit of the number of wildcards available in the access structure, and the secure channel in the transmission process of index and trapping is removed. The efficiency analysis shows that compared with other schemes, the computational overhead and communication overhead of this scheme are smaller and more suitable for mobile cloud storage environment.
【作者單位】: 解放軍信息工程大學;
【基金】:國家重點研發(fā)計劃項目(2016YFB0501900)~~
【分類號】:TP309.7;TP333
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相關碩士學位論文 前1條
1 李雪林;云存儲中透明加密方案的研究與實現(xiàn)[D];北京郵電大學;2014年
,本文編號:1681617
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