[1]李红卫,叶飞跃,古春生,等.云存储中双备份数据的安全访问[J].南京师大学报(自然科学版),2014,37(01):47.
　Li Hongwei,Ye Feiyue,Gu Chunsheng,et al.Secure Access of Two-Copy Data in Cloud Storage[J].Journal of Nanjing Normal University(Natural Science Edition),2014,37(01):47.
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云存储中双备份数据的安全访问()
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《南京师大学报（自然科学版）》[ISSN:1001-4616/CN:32-1239/N]

卷:
第37卷
期数:
2014年01期
页码:
47
栏目:
计算机科学
出版日期:
2014-03-30

文章信息/Info

Title:
Secure Access of Two-Copy Data in Cloud Storage
作者:
李红卫1; 2; 叶飞跃1; 2; 古春生1; 2; 于志敏1; 2; 景征骏1; 2
(1.江苏理工学院计算机工程学院,江苏 常州 213001) (2.江苏理工学院云计算与智能信息处理常州市重点实验室,江苏 常州 213001)
Author(s):
Li Hongwei1; 2; Ye Feiyue1; 2; Gu Chunsheng1; 2; Yu Zhimin1; 2; Jing Zhengjun1; 2
(1.School of Computer Engineering,Jiangsu University of Technology,Changzhou 213001,China) (2.Key Laboratory of Cloud Computing and Intelligent Information Processing of Changzhou City, Jiangsu University of Technology,Changzhou 213001,China)
关键词:
云存储; 茫然RAM; 访问模式; 双服务器
Keywords:
cloud storage; oblivious RAM; access pattern; two servers
分类号:
TP309
文献标志码:
A
摘要:
数据的完整性和私密性是客户将数据存储到云存储中时关心的主要问题.提出了一种新的ORAM结构,其访问云存储时间复杂度为O(1)、需要O(cN)(0<c<1)客户端存储量和O(N)服务器存储量.将客户数据双倍份到两个服务器中以保证数据的完整性,通过ORAM隐藏客户对服务器的访问模式,敌手无法从客户的访问模式中获取有用的信息,从而实现了数据的私密性.
Abstract:
Data integrity and privacy become major problems that the customers concern when the data is stored in the cloud storage.The paper proposes a novel oblivious RAM construction that achieves O(1)time complexity of access cloud storage,while consuming O(cN)(0<c<1)client-side storage and O(N)server-side storage.The paper proposes a technique in which the client data is stored in two servers that each server has a client data copy in order to ensure data integrity.Oblivious RAM allows a client to hide its data access patterns from an untrusted server.The adversary can not obtain useful information from the client access pattern,and the data privacy is guaranteed.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2013-08-10.
基金项目:国家自然科学基金(61142007)、江苏省高校自然科学研究项目(13KJB520005)、江苏省普通高校研究生科研创新计划项目(CXZZ13_0493)、常州市云计算与智能信息处理重点实验室建设项目(CM20123004).
通讯联系人:李红卫,副教授,研究方向:嵌入式软件与网络安全.E-mail:jstulhw@gmail.com.
更新日期/Last Update: 2014-03-30