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Secure cloud storage meets with secure network coding

機譯：安全的云存儲與安全的網(wǎng)絡(luò)編碼相結(jié)合

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This paper investigates the intrinsic relationship between secure cloud storage and secure network coding for the first time. Secure cloud storage was proposed only recently while secure network coding has been studied for more than ten years. We show in general how to construct a secure cloud storage protocol given any secure network coding protocol. Our construction suggests a systematic way to construct various secure cloud storage protocols. We also show that it is secure under a definition which captures the real world uses of the cloud storage. From our general construction, we propose a secure cloud storage protocol based on a recent secure network coding protocol. The protocol is the first publicly verifiable secure cloud storage protocol in the standard model, while the previous work is either not publicly verifiable, or security argument is only argued heuristically in the random oracle model. We also enhance the proposed protocol to support third-party public auditing, which has received considerable attention recently. Finally, we prototype the proposed protocol and evaluate its performance. Experimental results validate the effectiveness of the protocol.
機譯：本文首次研究了安全云存儲和安全網(wǎng)絡(luò)編碼之間的內(nèi)在聯(lián)系。安全云存儲僅在最近才提出，而安全網(wǎng)絡(luò)編碼已研究了十多年。我們總體上展示了在給定任何安全網(wǎng)絡(luò)編碼協(xié)議的情況下如何構(gòu)建安全的云存儲協(xié)議。我們的構(gòu)建提出了一種構(gòu)建各種安全云存儲協(xié)議的系統(tǒng)方法。我們還表明，根據(jù)捕獲云存儲在現(xiàn)實世界中使用情況的定義，它是安全的。根據(jù)我們的總體結(jié)構(gòu)，我們提出了一種基于最新安全網(wǎng)絡(luò)編碼協(xié)議的安全云存儲協(xié)議。該協(xié)議是標準模型中的第一個可公開驗證的安全云存儲協(xié)議，而先前的工作要么不是可公開驗證的，要么在隨機預(yù)言模型中僅通過試探性地提出了安全性論證。我們還增強了提議的協(xié)議以支持第三方公共審計，該協(xié)議最近受到了相當(dāng)大的關(guān)注。最后，我們對提出的協(xié)議進行原型設(shè)計并評估其性能。實驗結(jié)果驗證了該協(xié)議的有效性。

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