Design and Implementation of Security System for Cloud Storage

NCUIR > College of Electrical Engineering & Computer Science > Graduate Institute of Computer Science and Information Engineering > Electronic Thesis & Dissertation > Item 987654321/74626

Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/74626

Title:	Design and Implementation of Security System for Cloud Storage
Authors:	闕居樞;Chueh, Ju-Shu
Contributors:	資訊工程學系
Keywords:	網路安全;雲端儲存;金鑰管理;AES加密演算法;Network Security;Cloud Storage;Key Management;AES
Date:	2017-06-29
Issue Date:	2017-10-27 14:34:20 (UTC+8)
Publisher:	國立中央大學
Abstract:	雲端運算提供了各種服務以及儲存空間給使用者，這也幫助業者減少管理以及維護儲存伺服器上的成本。但這種新型態的資料儲存服務的興起也隨之帶來了資料安全上的疑慮，因為使用者無法全權控制儲存在雲端的資料。目前提出的架構以及方法無法有效率的解決資訊安全上的問題且仍然存在著其他隱憂。因此本篇論文中首先利用第三認證機制來設計出一個三方架構以及提出了一套認證方式，再提出了一套加密金鑰管理系統以及針對系統設計的資料結構來提升整體效率，此外本架構中也利用有效率的加解密演算法來降低使用者端的運算時間，最後利用模擬以及分析結果來驗證本架構的安全性以及系統整體效率。;Cloud storage system provides storage to enterprises and end users, and it helps to reduce the cost of server maintenance. Unfortunately, this new type of data storage service also brings new security challenges as data owners do not have full control of their data. The existing research works can not completely resolve these security issues eﬃciently or may cause other security problems. In this thesis, a framework with the third party auditor is ﬁrst proposed. Based on our system model, a key management scheme and an authentication process are proposed which can ensure the security of cloud storage. In addition, two types of key loading methods are proposed to improve the performance of key management. In order to create a system with balanced load, AES encryption algorithm is adopted to reduce the computation load on the user side. Through analyses and simulations, we have shown that the proposed system achieves both security and good overall performance.
Appears in Collections:	[Graduate Institute of Computer Science and Information Engineering] Electronic Thesis & Dissertation

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