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| Cryptic Cover for Covered Writing: A Pre-Layered Stego |
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Padmapriya Praveenkumar,
K. Thenmozhi,
John Bosco Balaguru Rayappan and Rengarajan Amirtharajan |
Abstract:
Brobdingnagian may be the precise word for the usage of internet
and advanced expertise in the globe in our day. Indeed, all sorts of this online
communication go hand in hand with the so called major apprehension, information
security. Since all kinds of digital files play an imperative role in internet
operation, it is indispensable to defend the key features of private communication
namely, seclusion, uprightness and legitimacy. This threat, in a roundabout
way, has led to the breakthrough of information security rationales. Striking
among these are Cryptography and Steganography, primordial skills pursued for
the sake of secret sharing. The startling thing is that with the fruition of
technology, these are giving prolific outcomes even now. Cryptography possesses
such a litheness that its blend, in the company of other fields of study, facilitates
offer much more options to explore security issues. This study envisions an
inimitable approach to security in the context of encryption and embedding incorporating
shuffling, chaotic equations in conjunction with Blowfish encryption algorithm.
Here, encryption is performed on images followed by embedding secret data. The
latter is done not literally but indirectly. This pitch endows with randomness
and security with all the persuasive traits of encryption. Validation is given
in terms of Mean Square Error (MSE), Peak Signal to Noise Ratio (PSNR), Relative
Entropy (RE), entropy and correlation values. Experimental results are illustrated
to vindicate the performance of this objective.
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How to cite this article:
Padmapriya Praveenkumar, K. Thenmozhi, John Bosco Balaguru Rayappan and Rengarajan Amirtharajan, 2014. Cryptic Cover for Covered Writing: A Pre-Layered Stego. Information Technology Journal, 13: 2524-2533.
DOI: 10.3923/itj.2014.2524.2533
URL: https://scialert.net/abstract/?doi=itj.2014.2524.2533
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