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Steganography Using Lossless Reversible Data Hiding on Encrypted Image


Author(s):

Muthurajan.K.T , Christian College of Engineering & Technology Oddanchatram, Dindigul, Tamilnadu-624619, India; Nirmalkumar.S, Christian College of Engineering & Technology Oddanchatram, Dindigul, Tamilnadu-624619, India; Veerapandi.M, Christian College of Engineering & Technology Oddanchatram, Dindigul, Tamilnadu-624619, India; Yesudoss.J, Christian College of Engineering & Technology Oddanchatram, Dindigul, Tamilnadu-624619, India; Arul Anand.R, Christian College of Engineering & Technology Oddanchatram, Dindigul, Tamilnadu-624619, India

Keywords:

Data embedding, Reversible, Steganography, Texture Synthesis, Cryptography

Abstract:

Steganography is the art of hiding data in a seemingly innocuous cover medium. For example – any sensitive data can be hidden inside a digital image. Steganography provides better security than cryptography because cryptography hides the contents of the message but not the existence of the message. So no one apart from the authorized sender and receiver will be aware of the existence of the secret data. Steganographic messages are often first encrypted by some traditional means and then a cover image is modified in some way to contain the encrypted message. The detection of steganographically encoded packages is called steganalysis. In this paper, we propose three efficient Steganography techniques that are used for hiding secret messages. They are LSB based Steganography, Steganography using the last two significant bits and Steganography using diagonal pixels of the image. Symmetric and asymmetric key cryptography has been used to encrypt the message. Here we use two fish symmetric technique for encryption process.


Other Details:

Manuscript Id :IJSTEV2I10052
Published in :Volume : 2, Issue : 10
Publication Date: 01/05/2016
Page(s): 198-204
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