淡江大學機構典藏:Item 987654321/103335
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    Please use this identifier to cite or link to this item: https://tkuir.lib.tku.edu.tw/dspace/handle/987654321/103335


    Title: 簡單快速雲端階層式組織授權之應用
    Authors: 李鴻璋;蔡佳勳
    Contributors: 淡江大學資訊管理學系
    Keywords: 階層式;公開金鑰;雲端運算
    Date: 2015-05-23
    Issue Date: 2015-06-18 11:09:17 (UTC+8)
    Publisher: 中華民國資訊管理學會
    Abstract: 本論文提出一套應用在雲端運算中,使階層式結構中群組間進行資料授權能夠簡單快速方法。本方法中,結構中群組有一把公開金鑰PK及私密金鑰SK,並且將群組私密金鑰SK,用直接上屬群組公開金鑰加密產生公開參數R。利用直屬結構表公開各群組公開金鑰,相對公開參數R及直接上屬群組等資訊。 群組會將資料用群組私密金鑰SK所導出的加密金鑰,加密該文件,並將其上傳至雲端中。當被授權的群組(即上屬群組們),則透過對直屬結構表中公開數值,遞迴路徑運算出該群組私密金鑰SK進而解密該資料。本論文所提機制亦與AKL、Lo-Hwang-Liu、Chu-Hsing Lin三位所提機制在多個面象(運作成員、效率、新成員加入及離開等)做比較,本論文具不用CA(Certificate Authority,憑證管理中心)、運算簡單、具當階層式結構擴大較少公開參數改變的優點。
    Appears in Collections:[Graduate Institute & Department of Information Management] Proceeding

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