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Separable Reversible Data Hiding Using RC4 & F5 Algorithm
Rajashree Rangnath Sonkamble
Abstract: This paper proposes a unique theme for separable reversible information hiding in encrypted pictures. Within first phase, a content owner encrypts the initial uncompressed image using a cryptographic key that uses RC4 cryptographic algorithm. Then, an information-hider may compress the smallest amount significant bits of the encrypted image using a data-hiding key using F5 algorithm to form a thin area to accommodate some further data. With an encrypted image containing extra information, if a receiver has the data-hiding key, he will extract the extra information although he doesn't recognize the image content. If the receiver has the cryptography key, it can decode the received information to get a picture almost like the initial one, however cannot extract the extra information. If the receiver has both data-hiding key as well as cryptography key, it can extract information and recover the initial content with none error by exploiting the spatial correlation in natural image once the quantity of additional information isn't overlarge.
Keywords: Image encryption, image recovery, reversible data hiding, discrete cosine transform.
Country: India, Subject Area: Computer Engineering
Pages: 348 - 351
Edition: Volume 8 Issue 6, June 2019
How to Cite this Article?
Rajashree Rangnath Sonkamble, "Separable Reversible Data Hiding Using RC4 & F5 Algorithm", International Journal of Science and Research (IJSR), https://www.ijsr.net/archive/v8i6/show_abstract.php?id=ART20198085, Volume 8 Issue 6, June 2019, 348 - 351
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