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Stegnography Using Visual Cryptography, RSA and DWT


Madhuri Ghuge , Bharati Vidyapeeth's college of Engineering; Prof.Kanchan Doke, Bharati Vidyapeeth's college of Engineering


Shares, Overt image, Shadow images, PCA, VC


Visual cryptography (VC) schemes encrypt a secret image into two or more cover images, called shares. The secret image can be reconstructed by stacking the shares together. Encoding data based on binary encoding methods and visual cryptography schemes is used to share pixels of a covert data to form two shadow matrices. Then, the two shadow matrices are encoded into a host image to form an overt image. The overt image contains matrix in encrypted form that is derived from two shadow matrices using RSA algorithm. Encrypted matrices are embedded in host image. This method makes use of binary encoding, visual cryptography, cryptography and Haar transform for hiding data into image.

Other Details

Paper ID: IJSRDV2I9425
Published in: Volume : 2, Issue : 9
Publication Date: 01/12/2014
Page(s): 826-829

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