A DISTORTION FREE WATERMARK FRAMEWORK FOR RELATIONAL DATABASES

被引：0
|
作者：
Bhattacharya, Sukriti [1 ]
Cortesi, Agostino [1 ]
机构：
[1] Univ Ca Foscari Venezia, Dipartimento Informat, I-30170 Venice, Italy
来源：
ICSOFT 2009: PROCEEDINGS OF THE 4TH INTERNATIONAL CONFERENCE ON SOFTWARE AND DATA TECHNOLOGIES, VOL 2 | 2009年
关键词：
Database watermarking; HMAC; Abstract interpretation;
D O I：
暂无
中图分类号：
TP31 [计算机软件];
学科分类号：
081202 ; 0835 ;
摘要：
In this paper we introduce a distortion free invisible watermarking technique for relational databases. The main idea is to build the watermark after partitioning tuples with actual attribute values. Then, we build hash functions on top of this grouping and get a watermark as a permutation of tuples in the original table. As the ordering of tuples does not affect the original database, this technique is distortion free. Our contribution can be seen as an application to relational databases of software watermarking ideas developed within the Abstract Interpretation framework.
引用
收藏
页码：229 / 234
页数：6
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