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Secure Cloud Storage Meets with Secure Network Coding

機(jī)譯：安全的云存儲(chǔ)與安全的網(wǎng)絡(luò)編碼相遇

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This paper reveals an 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. Although the two areas are quite different in their nature and are studied independently, we show how to construct a secure cloud storage protocol given any secure network coding protocol. This gives rise to a systematic way to construct secure cloud storage protocols. Our construction is secure under a definition which captures the real world usage of the cloud storage. Furthermore, we propose two specific secure cloud storage protocols based on two recent secure network coding protocols. In particular, we obtain the first publicly verifiable secure cloud storage protocol in the standard model. We also enhance the proposed generic construction to support user anonymity and third-party public auditing, which both have received considerable attention recently. Finally, we prototype the newly proposed protocol and evaluate its performance. Experimental results validate the effectiveness of the protocol.
機(jī)譯：本文首次揭示了安全云存儲(chǔ)與安全網(wǎng)絡(luò)編碼之間的內(nèi)在聯(lián)系。安全云存儲(chǔ)僅在最近才提出，而安全網(wǎng)絡(luò)編碼已研究了十多年。盡管這兩個(gè)領(lǐng)域在本質(zhì)上有很大不同，并且需要單獨(dú)研究，但我們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(chǔ)協(xié)議。這引起了構(gòu)建安全云存儲(chǔ)協(xié)議的系統(tǒng)方法。根據(jù)定義，該結(jié)構(gòu)是安全的，該定義捕獲了云存儲(chǔ)的實(shí)際使用情況。此外，我們基于兩個(gè)最新的安全網(wǎng)絡(luò)編碼協(xié)議提出了兩個(gè)特定的安全云存儲(chǔ)協(xié)議。特別是，我們獲得了標(biāo)準(zhǔn)模型中的第一個(gè)可公開驗(yàn)證的安全云存儲(chǔ)協(xié)議。我們還增強(qiáng)了建議的通用構(gòu)造，以支持用戶匿名和第三方公共審計(jì)，這兩個(gè)方法最近都受到了廣泛的關(guān)注。最后，我們對(duì)新提出的協(xié)議進(jìn)行原型設(shè)計(jì)并評(píng)估其性能。實(shí)驗(yàn)結(jié)果驗(yàn)證了該協(xié)議的有效性。

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