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Shamir Secret Sharing Method for Authentication of Colored Document Image with Self Repair Capability


Pradnya Kadam , IOK-COE ,PUNE; Poonam Yadav, IOK-COE ,PUNE; Nishigandha Khandagale, IOK-COE ,PUNE


Shamir secret sharing algorithm, Reverse Shamir secret algorithm, Logistic map, Alpha channel plane


In this paper we proposed a new authentication method which is based on secret sharing technique with self repair capability. In this paper, we take color image then each block of that image genarate the authentication signal. Then we apply the Shamir secret sharing method. In that method each block of image are transfered into several shares. Then we apply alpha channel plane for PNG image formation. After that that PNG image is encrypted using chaotic logistic map and forms the stego image. This stego image is received by the receiver. If the image is tampered then we used the Reverse Shamir secret algorithm and repair that tampered image and get the original image.

Other Details

Paper ID: IJSRDV3I2519
Published in: Volume : 3, Issue : 2
Publication Date: 01/05/2015
Page(s): 1095-1098

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