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| 研究生： |
李信德 Lee, Hsin-Te |
|---|---|
| 論文名稱： |
雲端資料庫之有效率的即時稽核 Efficient Real-Time Auditing for Cloud Database Systems |
| 指導教授： |
黃冠寰
Hwang, Gwan-Hwan |
| 學位類別： |
碩士 Master |
| 系所名稱： |
資訊工程學系 Department of Computer Science and Information Engineering |
| 論文出版年： | 2018 |
| 畢業學年度： | 106 |
| 語文別： | 中文 |
| 論文頁數： | 37 |
| 中文關鍵詞： | 雲端資料庫 、雲端安全 、不可否認性 、違約證明 |
| DOI URL： | http://doi.org/10.6345/THE.NTNU.DCSIE.008.2018.B02 |
| 論文種類： | 學術論文 |
| 相關次數： | 點閱：121 下載：10 |
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雲端資料庫是一個執行在雲端運算平台的資料庫系統，由雲端服務提供者(Cloud Service Provider, CSP)負責安裝與維護，使用者只需要支付租金即可使用。但CSP可能會洩漏機密數據、修改數據，或是因為系統錯誤、不當操作或是遭受駭客攻擊，造成回傳不一致的數據給使用者。某些雲端資料庫有提供Web interface或API (Application programming interface)給使用者查閱日誌檔，但是日誌檔並不是密碼學證據，不能用來證明CSP違反Query Integrity 與Transaction Serializability。即時稽核架構應該符合以下兩點，CSP在租借資料庫給用戶時，用戶能夠在執行query時，透過用戶的證據作即時性稽核，避免CSP回傳錯誤的數據。在拿到錯誤的數據時，可以透過用戶的證據證明雲端資料庫發生資料不一致的責任歸屬。為快速稽核資料，通常會使用大量CPU資源運算Hash Function，本篇論文提出的做法可以有效降低稽核時CPU耗能，使伺服器能在使用相同的計算量服務更多的使用者。
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