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k-n Secret Sharing Visual Cryptography Scheme on Color Image using Random Sequence
| International Journal of Computer Applications |
| Foundation of Computer Science (FCS), NY, USA |
| Volume 25 - Number 11 |
| Year of Publication: 2011 |
| Authors: Shyamalendu Kandar, Bibhas Chandra Dhara |
10.5120/3160-4377
|
Shyamalendu Kandar, Bibhas Chandra Dhara . k-n Secret Sharing Visual Cryptography Scheme on Color Image using Random Sequence. International Journal of Computer Applications. 25, 11 ( July 2011), 6-11. DOI=10.5120/3160-4377
Abstract
Visual cryptography is a special type of encryption technique where visual information (Image, Text etc) gets encrypted in such a way that decryption can be performed by Human Visual System with a computation free decryption process. The beauty of the visual secret sharing scheme is in its decryption process where without any complex cryptographic computation encrypted data is decrypted using Human Visual System (HVS). But the encryption technique needs cryptographic computation to divide the image into a number of parts let n such that at least a group of k shares out of n shares reveals the secret information, less of it will reveal no information. In this paper we have discussed a technique called random sequence which needs very less computation for k-n secret sharing.
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