Extended capabilities for visual cryptography
type: Item
instance of: scholarly article
title: Extended capabilities for visual cryptography
zbMATH Open document ID: 0952.68056
DOI: 10.1016/S0304-3975(99)00127-9
published in: Theoretical Computer Science
publication date: 2000-12-12T00:00:00Z
review text: An extended visual cryptography scheme, for an access structure \((\Gamma_{Qual},\Gamma_{Forb})\) on a set of \(n\) participants, is a technique to encode \(n\) images in such a way that when we stack together the transparencies associated to participants in any set \(X \in \Gamma_{\text{Qual}}\) we get the secret message with no trace of the original images, but any \(X \in \Gamma_{\text{Forb}}\) has no information on the shared image. Moreover, after the original images are encoded they are still meaningful, that is, any user will recognize the image on his transparency.
Mathematics Subject Classification ID: 68P25
Mathematics Subject Classification ID: 94A62
zbMATH DE Number: 1542262
zbMATH Keywords: visual cryptography
zbMATH Keywords: secret sharing schemes
author: Giuseppe Ateniese
author: Carlo Blundo
author: Alfredo De Santis
author: D. R. Stinson
MaRDI profile type: Publication
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Wikidata QID: Q126461029
full work available at URL: s0304-3975(99)00127-9
OpenAlex ID: W1988245022
description: scientific article; zbMATH DE number 1542262