Copyright Protection System for Outsourced Database Based on Information Hiding
基于信息隐藏的外包数据库版权保护系统

In outsourced database scheme,since the database server,which is provided by the third part,is not in the trust domain,the data files may be pirated,and the data contents may be tampered with.A copyright protection system for outsourced database using information hiding technique was built,which was based on algorithms of database watermarking,as well as their corresponding protocols,and was combined with technologies of PKI,digital signature and USB Key.Compared with traditional solutions which of data enc...