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dc.contributor.authorKumar, S.
dc.contributor.authorJaipal, P.B.J.
dc.contributor.authorSen, Gupta, S.
dc.contributor.authorUngrapalli, V.R.
dc.identifier.citationLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 2013, Vol.8303 LNCS, , pp.199-213en_US
dc.description.abstractIn this paper, we study the problem of traitor-traceable key pre-distribution for general access structures. We propose a new scheme for key pre-distribution using visual secret sharing, where the keys are generated based on certain combinatorial block designs. Our scheme naturally extends for general access structures, and provides a flexible many-to-one function using visual secret sharing concepts to efficiently avoid the problem of pixel expansion. In addition, our proposal accommodates a simple traitor-tracing functionality for video broadcast applications; using efficient PBIBD based combinatorial constructs and visual secret sharing based on random grids. In effect, our scheme provides a novel technique for secure video and image broadcast, using general access structures to reduce collusions, trace forgery, and identify traitors in case there is a collusion. We duly analyze and discuss the efficiency of our scheme for varying number of users in the broadcast network. � 2013 Springer-Verlag.en_US
dc.titleTraitor-traceable key pre-distribution based on visual secret sharingen_US
dc.typeBook chapteren_US
Appears in Collections:2. Conference Papers

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