| 发明名称 |
SYSTEM AND METHOD FOR DIGITAL WATERMARKING OF DATA REPOSITORY |
| 摘要 |
A method and system for enhancing security in a database by establishing a bit pattern using secret information, the pattern establishing a watermark that can be detected in a copy (authorized or not) of the database only by using the secret information. |
| 申请公布号 |
WO03098406(A2) |
申请公布日期 |
2003.11.27 |
| 申请号 |
WO2003GB02065 |
申请日期 |
2003.05.14 |
| 申请人 |
INTERNATIONAL BUSINESS MACHINES CORPORATION;IBM UNITED KINGDOM LIMITED |
发明人 |
AGRAWAL, RAKESH;KIERNAN, GERALD, GEORGE |
| 分类号 |
G06F21/24;G06F21/00;G09C5/00 |
主分类号 |
G06F21/24 |
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