关系数据库数字水印技术研究进展

Research of Digital Watermarking Technology for Relational Database

数字水印技术是当前能够实现多媒体信息安全保护的重要技术之一。关系数据库作为目前被使用最多的数据库,其数据安全问题自然受到广泛的关注。利用数字水印技术来实现关系数据库中数据的版权保护已经成为数据库安全领域一个重要的研究课题。首先分析了关系数据库数字水印技术的工作原理以及常见的攻击,然后论述了关系数据库数字水印技术的最新研究成果,分析了它们各自的优点和不足,最后讨论了关系数据库数字水印技术未来的研究方向。

Digital watermarking technology is the important technology of protecting multimedia information security. As the widespread use of databases, the security of data in the relational databases is paid more attention. The digital watermarking technology can be used for copyright protection of data in relational database has become an important topic of database security. First analyze the principle of re lational database watermarking system and common attacks to it, then survey various algorithms of relational databases watermarking, and describe their benefits and limitations, finally discuss the future research trend in the area.