Fragile Watermarking Scheme for Relational Database
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Fragile Watermarking Scheme for Relational Database

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Existing System

Database integrity has long been considered one of the three pillars in the database security arena, together with authentication and authorization (access control).

But the research of database integrity mainly focuses on semantic integrity constraints, which are rules defining the correct states of the database. Traditional approaches use verification information such as message authentication codes (MAC) and signatures for integrity check.

The verification information is often stored separately from the relating data. Since additional storage is required, they are subject to deletion attacks in which the verification information is simply deleted.

Proposed System

In this Project, we focus on how to improve the localization accuracy of fragile database watermark.

A novel fragile watermarking scheme is proposed for relational databases by manipulating the order and grouping information among database entities. Combing row signature with attribute signature in tamper localization, tampered areas can be pinpointed at the block level.

The proposed scheme does not require any additional storage, nor does it introduce any distortion to the original data.


SERVER (SOURCE) MODULE

DBCON – This class establishes a connection to the database using SQL SERVER.

ACTION CONTROLLER – This class initiates the process by accessing the data table.

PARTITION – First, an original database is divided into some row groups and column groups. Then, information for integrity verification can be hidden in each group by manipulating the sequential order of rows or columns. Embedding capacity depends on the number of entities in each group and then the data is divided into partition information


There is also no limit to the data type of database.




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