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2006

Secret sharing schemes on access structures with intersection number equal to one

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Secret sharing schemes on access structures with intersection number equal to one
The characterization of ideal access structures and the search for bounds on the optimal information rate are two important problems in secret sharing. These problems are studied in this paper for access structures with intersection number equal to one, that is, access structures such that there is at most one participant in the intersection of any two different minimal qualified subsets. The main result in this work is the complete characterization of the ideal access structures with intersection number equal to one. Besides, bounds on the optimal information rate are provided for the non-ideal case. Keywords. Cryptography; secret sharing schemes; information rate; ideal schemes.
Jaume Martí-Farré, Carles Padr&oacut
Added 11 Dec 2010
Updated 11 Dec 2010
Type Journal
Year 2006
Where DAM
Authors Jaume Martí-Farré, Carles Padró
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