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An Exploitation of Visual Cryptography to Ensure Enhanced Security in Several Applications
| International Journal of Computer Applications |
| Foundation of Computer Science (FCS), NY, USA |
| Volume 65 - Number 6 |
| Year of Publication: 2013 |
| Authors: Md. Tanbin Islam Siyam, Kazi Md. Rokibul Alam, Tanveer Al Jami |
10.5120/10932-5879
|
Md. Tanbin Islam Siyam, Kazi Md. Rokibul Alam, Tanveer Al Jami . An Exploitation of Visual Cryptography to Ensure Enhanced Security in Several Applications. International Journal of Computer Applications. 65, 6 ( March 2013), 42-46. DOI=10.5120/10932-5879
Abstract
VC is a cryptographic technique that ensures the security of images by dividing a secret image into random shares, which makes the image data unreadable. Then decryption is performed by superimposing the shares, without any special computational power. Intuitively, VC can be categorized as: secret sharing scheme [1] for monochrome images and extended VC (EVC) [2] for color images. In this paper both schemes of VC have been exploited to hide image where image security is essential, such as Bangla text document, hand-written signature, biometric authentication (e. g. human face) etc. These can be exercised in offices for deed, in banking sector for financial document and in examination or election system for authentication respectively. Moreover a minor modification of EVC which can be applied for color image also has been presented.
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