Cryptology ePrint Archive: Report 2002/193

A Note on Ideal Tripartite Access Structures

Michael J. Collins

Abstract: Padr\'{o} and S\'{a}ez introduced the concept of a $k$-partite access structure for secret sharing, and gave a complete characterization of ideal bipartite structures. We derive a necessary condition for ideal tripartite structures, which we conjecture is necessary for all $k$.

Category / Keywords: secret sharing

Date: received 17 Dec 2002

Contact author: mjcolli at sandia gov

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Version: 20021223:132914 (All versions of this report)

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