字符型加密数据查询优化的一种方法  

A Method about Optimized Search to Character Encrypted Data

作　　者：杨德平[1] 魏功辉[1] 

机构地区：[1]解放军理工大学通信工程学院,南京210007

出　　处：《信息通信》2008年第1期17-19,共3页Information & Communications

摘　　要：在大型加密数据库中,如何对数据进行快速检索是一个非常重要的课题。本文提出一种对字符型加密数据进行精确匹配查询的优化方法,阐述其原理和查询的工作流程,对查询正确性进行验证,并分析其过滤效率与安全性与过滤字段长度的关系,最后说明其不足和适用场合。In the large-scale encrypted database, how to deal with quick retrieving about data is an important project. This paper addressed an optimized method precise matching search to character encrypted data. In which the author described its theorem and search, and also analyzed the relationship between filtration efficiency and security as well as length of filtration field. Fittally, this paper indicated shortagcsand occasions for use of the method.

关 键 词：一次一密 过滤字段 过滤效率 

分 类 号：TP393.4[自动化与计算机技术—计算机应用技术]