本文關(guān)鍵詞：云存儲(chǔ)中數(shù)據(jù)持有性證明方法研究　出處：《計(jì)算機(jī)研究與發(fā)展》2015年S2期 　論文類型：期刊論文

  更多相關(guān)文章： 云存儲(chǔ) 數(shù)據(jù)持有性證明 第三方審計(jì) 數(shù)據(jù)安全 DNA

【摘要】：數(shù)據(jù)安全問題是云存儲(chǔ)系統(tǒng)中需要解決的關(guān)鍵問題之一,為保證云存儲(chǔ)服務(wù)器中數(shù)據(jù)的完整性,數(shù)據(jù)的持有性證明就顯得尤為重要.數(shù)據(jù)的持有性證明就是用戶實(shí)時(shí)知道其數(shù)據(jù)是否仍然完整、有效、正確地保存在云存儲(chǔ)系統(tǒng)中,以及是否可以隨時(shí)、隨地獲取到該數(shù)據(jù),這是云存儲(chǔ)安全中的挑戰(zhàn)性問題.DNA(Deoxyribonucleic Acid)是生物遺傳信息,每個(gè)DNA都是由若干個(gè)RNA(Ribonucleic Acid)組成,研究基于第三方審計(jì)(third-party audits,TPA)數(shù)據(jù)持有性證明模型的基礎(chǔ)上,利用這一生物學(xué)原理提出了一個(gè)高效的數(shù)據(jù)可持有性證明方案.實(shí)驗(yàn)結(jié)果表明,該方案在存儲(chǔ)性能和計(jì)算性能方面與S-PDP方案相比,需額外存儲(chǔ)開銷較小,約為文件大小的1.17%;而計(jì)算開銷比S-PDP和CS-PDP方案都小,特別是比S-PDP方案要小很多.
[Abstract]:Data security is one of the key problems to be solved in cloud storage system, in order to ensure the integrity of data in cloud storage server. Data holding proof is particularly important. Data holding proof is that users know whether their data is still complete, effective, correctly stored in cloud storage system, and whether it can be kept at any time. Access to this data anywhere is a challenging issue in cloud storage security. DNA deoxyribonucleic Acidis is biogenetic information. Each DNA is composed of several RNA(Ribonucleic incidences, and the study is based on third-party audit third-party audits. On the basis of TPA data holding proof model, an efficient scheme of data holding proof is proposed based on this biological principle. The experimental results show that the proposed method is effective. Compared with S-PDP scheme, the storage performance and computing performance of this scheme need less extra storage cost, which is about 1.17% of the file size. The computational cost is much less than that of S-PDP and CS-PDP, especially the S-PDP.
【作者單位】： 上海海事大學(xué)信息工程學(xué)院;
【基金】：國(guó)家自然科學(xué)基金項(xiàng)目(61373028;61070154) 上海教委科技創(chuàng)新項(xiàng)目(12ZZ153) 上海海事大學(xué)科研基金項(xiàng)目(20130471)
【分類號(hào)】：TP333
【正文快照】： 面對(duì)計(jì)算資源不足、任務(wù)繁瑣、數(shù)據(jù)量龐大、密鑰管理等問題的不斷迸發(fā),云租戶-服務(wù)器模式的數(shù)據(jù)持有性證明已經(jīng)不能滿足用戶的需求.因而一些專家學(xué)者們把目光轉(zhuǎn)向了能夠滿足用戶需求的第三方審計(jì)(third-party audits,TPA),由可信的第三方代替用戶檢驗(yàn)數(shù)據(jù)是否真實(shí)完整地存在,，

本文編號(hào)：1421054