Invention Grant
- Patent Title: System and method for digital watermarking of data repository
- Patent Title (中): 数据库数字水印的系统和方法
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Application No.: US10147741Application Date: 2002-05-15
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Publication No.: US07752446B2Publication Date: 2010-07-06
- Inventor: Rakesh Agrawal , Gerald George Kiernan
- Applicant: Rakesh Agrawal , Gerald George Kiernan
- Applicant Address: US NY Armonk
- Assignee: International Business Machines Corporation
- Current Assignee: International Business Machines Corporation
- Current Assignee Address: US NY Armonk
- Agent John L. Rogitz
- Main IPC: H04L9/32
- IPC: H04L9/32
Abstract:
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.
Public/Granted literature
- US20030217272A1 System and method for digital watermarking of data repository Public/Granted day:2003-11-20
Information query
