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    Title: 利用Diffie-Hellman 金鑰交換提高動態階層存取控制之效率
    Authors: 莊佳蓉
    蔡敦仁
    陳祥輝
    Keywords: 入侵偵測系統;分群演算法;偵測率;誤報率
    Hierarchy Access Control Diffie-Hellman Cryptography Hash Function
    Date: 2005
    Issue Date: 2017-10-17 17:05:27 (UTC+8)
    Abstract: 在階層式的存取控制方式中,皆是運用密碼學的金鑰系統來處理資料存取的問題。先將每一層的節點(或稱之為角色)所擁有的大量金鑰存放於儲存體中;再利用部份有序集合(Partially Ordered Set,簡稱poset)的方式來進行不同階層的權限分級。階層式的存取控制屬性,在於上層角色有權利存取下層角色的資源,故皆使用金鑰層層的推導方式,來解決存取上的問題;但是這樣的存取控制屬性,也產生了各角色的金鑰無法隨時異動,以及階層中的鏈結一旦異動,勢必導致整個樹狀下的所有節點都必須要異動等問題。本篇論文將針對此不方便性和低效率之動態異動, 利用Diffie-Hellman[5,9,10]之金鑰交換演算法,提出一個新的方式,並提高階層存取上的動態異動之效率。
    Relation: TANET 2005 台灣網際網路研討會論文集
    資訊安全技術
    Data Type: conference
    Appears in Collections:[TANet Conference] Conference Papers

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