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安全查询方案的设计与实现
引用本文:荆巍巍,黄刘生,罗永龙,姚亦飞,徐维江.安全查询方案的设计与实现[J].计算机工程,2006,32(22):144-145.
作者姓名:荆巍巍  黄刘生  罗永龙  姚亦飞  徐维江
作者单位:中国科学技术大学计算机科学与技术系国家高性能计算中心,合肥,230027
基金项目:国家自然科学基金;国家重点基础研究发展计划(973计划);安徽省教育教学研究项目
摘    要:安全查询是指参与查询的用户一方与拥有数据库的一方在各自的私有信息互不泄露的情况下,完成查询操作。该文描述了解决查询问题的2套方案:方案1基于两方的安全计算协议,尝试将Equijoin协议应用于安全查询问题。虽然该方案安全性能高,但是由于加密通信代价太大,因此很难适应对大型数据库的查询;方案2将软件作为可信第3方的协议,只要该软件不被破解,就可确保查询用户与数据库的信息不被泄漏,尽管其安全性低于方案1,但运行代价低,方案2是一个实用的解决方案。

关 键 词:安全多方计算  私有信息检索  安全查询
文章编号:1000-3428(2006)22-0144-12
收稿时间:2006-02-24
修稿时间:2006-02-24

Design and Realization of Secure Query Scheme
JING Weiwei,HUANG Liusheng,LUO Yonglong,YAO Yifei,XU Weijiang.Design and Realization of Secure Query Scheme[J].Computer Engineering,2006,32(22):144-145.
Authors:JING Weiwei  HUANG Liusheng  LUO Yonglong  YAO Yifei  XU Weijiang
Affiliation:National High Performance Computing Centre, Department of Computer Science and Technology University of Science and Technology of China, Hefei 230027
Abstract:The secure query is that a user of a database can accomplish a query without revealing the user and database’s private information. This paper presents two methods of secure query: (1)The first scheme is a protocol of secure two-party computation, which is based on the equijion protocol. Although it has high security, the first scheme has too high cost and it is too difficult to use in large database. (2)The second scheme introduces the software as a trust third part and prevents the user and database from disclosing privacy. Although the security is lower than that of the first method, the second method has lower cost and it is more practical.
Keywords:Secure multi-party computation  Private information retrieval  Safety query
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