Design and implementation of encrypted data in outsourced database

doi:10.3778/j.issn.1002-8331.2010.28.040

Computer Engineering and Applications ›› 2010, Vol. 46 ›› Issue (28): 141-145.DOI: 10.3778/j.issn.1002-8331.2010.28.040

• 数据库、信号与信息处理 • Previous Articles Next Articles

Design and implementation of encrypted data in outsourced database

WANG Zheng-fei^1，2，WANG Wei³，SHI Bo-le³

1.Department of Computer and Electronic Engineering，Hunan Business College，Changsha 410205，China
2.School of Computer Science，National University of Defense Technology，Changsha 410073，China
3.School of Information，Fudan University，Shanghai 200433，China

Received:2010-04-27 Revised:2010-06-17 Online:2010-10-01 Published:2010-10-01
Contact: WANG Zheng-fei

外包数据库中数据加密的设计和实现

王正飞^1，2，汪卫³，施伯乐³

1.湖南商学院计算机与电子工程系，长沙 410205
2.国防科学技术大学计算机学院，长沙 410073
3.复旦大学信息学院，上海 200433

通讯作者: 王正飞

Abstract

Abstract: Encryption technology has become an important mechanism of securing data stored in the outsourced database.However，it is a difficulty to query efficiently the encrypted data and many researchers take it into consideration.To solve the problem，an encrypted schema，based on the inner DBMS，is proposed.Through the security dictionary and the extended SQL，the approach implements the encrypted storage and efficient query over the data in the outsourced databases.Results of experiments validate the efficiency and feasibility of the approach.

Key words: outsourced database, database security, encrypted data

摘要： 加密技术是保护外包数据库中数据安全的一种有效方法，但如何对加密数据进行高效查询是一个热点，引起了研究界的重视。针对这个问题，提出了一种基于DBMS内核的加密模式，通过安全字典和SQL语句的扩展，实现数据的加密存储和高效查询。实验证明了该方法的有效性和可行性。

关键词: 外包数据库, 数据安全, 数据加密

CLC Number:

WANG Zheng-fei^1，2，WANG Wei³，SHI Bo-le³. Design and implementation of encrypted data in outsourced database[J]. Computer Engineering and Applications, 2010, 46(28): 141-145.

王正飞^1，2，汪卫³，施伯乐³. 外包数据库中数据加密的设计和实现[J]. 计算机工程与应用, 2010, 46(28): 141-145.

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Design and implementation of encrypted data in outsourced database

外包数据库中数据加密的设计和实现

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