# American Institute of Mathematical Sciences

August  2008, 2(3): 249-259. doi: 10.3934/amc.2008.2.249

## How to say yes, no and maybe with visual cryptography

 1 Dept. of Pure Mathematics and Computer Algebra, Ghent University, Krijgslaan 281-S22, 9000 Ghent, Belgium

Received  January 2008 Revised  June 2008 Published  July 2008

We present a version of a visual cryptography scheme in which a qualified set of participants is able to block the reconstruction of the secret.
Citation: Andreas Klein. How to say yes, no and maybe with visual cryptography. Advances in Mathematics of Communications, 2008, 2 (3) : 249-259. doi: 10.3934/amc.2008.2.249
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