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Secret Sharing Schemes on Access Structures with Intersection Number Equal to One

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Part of the book series: Lecture Notes in Computer Science ((LNCS,volume 2576))

Abstract

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 minimal qualified subsets. Examples of such access structures are those defined by finite projective planes and those defined by graphs. In this work, ideal access structures with intersection number equal to one are completely characterized and bounds on the optimal information rate are provided for the non-ideal case.

This work was partially supported by the Spanish Ministerio de Ciencia y Tecnología under project TIC 2000-1044.

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© 2003 Springer-Verlag Berlin Heidelberg

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Martí-Farré, J., Padró, C. (2003). Secret Sharing Schemes on Access Structures with Intersection Number Equal to One. In: Cimato, S., Persiano, G., Galdi, C. (eds) Security in Communication Networks. SCN 2002. Lecture Notes in Computer Science, vol 2576. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-36413-7_26

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  • DOI: https://doi.org/10.1007/3-540-36413-7_26

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-00420-2

  • Online ISBN: 978-3-540-36413-9

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