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Research Paper | Computer Science & Engineering | India | Volume 3 Issue 5, May 2014 | Popularity: 6.6 / 10

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Gray Scale Image Authentication Using SSS Technique

Vandana Navale, Archana Lomte

Abstract: This is a blind authentication method for Gray Scale image that is in PNG (Portable Network Graphics) Format. This method is based on SSS (Shamirs Secret Sharing) technique. This technique used to reduce risk of data loss. Authentication is done for Gray Scale Image by generating secrets for each block of gray image. Block content are in binary forms. That shares are embedded in to Alpha channel Plane. Then alpha channel plane is combined with the original Gray scale image to form a PNG image. When image authentication is done image blocks are marked as tampered the shares embedded in the alpha channel plane are match with current image block shares by applying reverse Shamir secret sharing technique repaired tampered block contents.

Keywords: SSS Shamirs Secret Sharing technique, PNG Portable Network Graphics, Data repair, Authentication, Data Hiding

Edition: Volume 3 Issue 5, May 2014

Pages: 1320 - 1325

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