外包数据库机密性保护方法研究

外包数据库作为现代商业新兴的商业运作模式，正在受到越来越多的企业和组织的欢迎。而如何保障外包数据库的机密性，成为当前云计算应用研究的重点。本文基于现有的外包数据库安全性中的PMD、Hweehw查询验证的不足，提出了一种动态的数据库查询验证技术，从而节省了外包数据库的成本，并提高了验证速度。

The protection method of outsourced database

The outsourced database as a modern business and emerging business models,is being more and more enterprises and organizations are welcome.And how to protect the confidentiality of outsourced database, has become the focus of research and application of cloud computing current. In this paper,the outsourced database security in the existing PMD,Hweehw query authentication based on the shortcomings,put forward a dynamic database query authentication technology,which saves the cost of outsourced database,and improve the verification speed.