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access structures.

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The accessibility of an access structure
Francesc Carreras, Antonio Magaña, Carlo Munuera
Journal:

RAIRO - Theoretical Informatics and Applications / Volume 40 / Issue 4 / October 2006

Published online by Cambridge University Press:

08 November 2006, pp. 559-567

Print publication:

October 2006
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In secret sharing, different access structures have different difficulty degrees for acceding to the secret. We give a numerical measure of how easy or how difficult is to recover the secret, depending only on the structure itself and not on the particular scheme used for realizing it. We derive some consequences.