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International Journal of Computer Applications
© 2015 by IJCA Journal
Volume 115 - Number 1
Year of Publication: 2015
|
10.5120/20116-2166 |
{bibtex}pxc3902166.bib{/bibtex}
Abstract
In recent years, security of several kinds of images is a major issue in secure data communication over any unreliable network. In this paper, a new technique to secure images by using grid-based encryption and decryption approach with RSA cryptosystem has been devised. This approach has taken original image, performed block transformation followed by grid transformation, then finally a public key cryptosystem is applied pixel-by-pixel to secure image. Experimental images have been taken and performed encryption and decryption to elaborate this technique. Error analysis shows that the technique is robust.
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