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Visual Secret Sharing between Remote Participants

by N. Buckley, A.k. Nagar, S. Arumugam
International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Volume 103 - Number 2
Year of Publication: 2014
Authors: N. Buckley, A.k. Nagar, S. Arumugam

N. Buckley, A.k. Nagar, S. Arumugam . Visual Secret Sharing between Remote Participants. International Journal of Computer Applications. 103, 2 ( October 2014), 8-17. DOI=10.5120/18044-8931

@article{ 10.5120/18044-8931,
author = { N. Buckley, A.k. Nagar, S. Arumugam },
title = { Visual Secret Sharing between Remote Participants },
journal = { International Journal of Computer Applications },
issue_date = { October 2014 },
volume = { 103 },
number = { 2 },
month = { October },
year = { 2014 },
issn = { 0975-8887 },
pages = { 8-17 },
numpages = {9},
url = { },
doi = { 10.5120/18044-8931 },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
%0 Journal Article
%1 2024-02-06T22:33:29.679610+05:30
%A N. Buckley
%A A.k. Nagar
%A S. Arumugam
%T Visual Secret Sharing between Remote Participants
%J International Journal of Computer Applications
%@ 0975-8887
%V 103
%N 2
%P 8-17
%D 2014
%I Foundation of Computer Science (FCS), NY, USA

Visual cryptography and random grids are forms of visual secret sharing that encrypt a secret image into indecipherable shares. Decryption occurs by printing them onto transparencies and stacking, but this requires participants to be in the physical presence of each other, so this paper addresses the use of visual secret sharing between remote, incommunicado agents. To this end, a prototype application has been developed to form a subpixel matrix of a photographed share that is one half of a (2, 2) scheme. It is algorithmically "stacked" with its stored complement to decrypt the secret. The implemented algorithms are presented, as well as visual results for variations of three values of three photographic condition metrics. Although only a third of the total results proved positive, recommendations are given regarding photographic conditions to significantly improve accuracy. Furthermore, we suggest a number of applications of this technology.

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Index Terms

Computer Science
Information Sciences


Secret Sharing Visual Cryptography Random Grids Augmented Reality Mobile Technology