A Data Embedding Scheme using Encrypted Images
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10.5120/18733-9975 |
Athira M A, Sreebala P and Vipin Krishnan C V. Article: A Data Embedding Scheme using Encrypted Images. International Journal of Computer Applications 107(3):24-29, December 2014. Full text available. BibTeX
@article{key:article,
author = {Athira M A and Sreebala P and Vipin Krishnan C V},
title = {Article: A Data Embedding Scheme using Encrypted Images},
journal = {International Journal of Computer Applications},
year = {2014},
volume = {107},
number = {3},
pages = {24-29},
month = {December},
note = {Full text available}
}
Abstract
The use of computer networks for data transmission has created the need of security. Transmission of images is a daily routine and it is necessary to find an efficient way to transmit them over networks. This work describes the concept of Separable Reversible data hiding technique. When it is desired to send the confidential data over an insecure channel, it mustbe encrypted as well as compress the cover data and then embed the data into that cover data. Also it is important that the data hiding should be reversible in nature, and should be suitable for the encryption/decryption domain. In the Modified System, a content owner encrypts the original uncompressed image using an encryption key to produce an encrypted image. The data hider can hide the data in the encrypted image compressing the least significant bits of the encrypted image to obtain the space to hide the data by using data hiding key. The data can be retrieved at the receiver side using the data hiding key without the need for decrypting the image. But, the encrypted image will remain unchanged till it is decrypted using the encryption key,to reveal the original image content. The receiver who has both the encryption and data hidings keys can access the data embedded as well as the original image.
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