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A probabilistic concept of accessibility for access structures

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Amer Ramon, RafaelMés informacióMés informacióMés informació
Giménez Pradales, José MiguelMés informacióMés informacióMés informació
Magaña Nieto, AntonioMés informacióMés informacióMés informació
Document typeResearch report
Defense date2008-06-13
Rights accessOpen Access
Attribution-NonCommercial-NoDerivs 2.5 Spain
Except where otherwise noted, content on this work is licensed under a Creative Commons license : Attribution-NonCommercial-NoDerivs 2.5 Spain
Abstract
In this paper we introduce the concept of weighted accessibility for access structures. In some sense, it represents a measure of how difficult or how easy is to recover the secret. We give also a numerical measure of accessibility for each participant depending on his position in the access structure. Both concepts, the accessibility of the access structure and the accessibility of the participants are closely related. We also provide an axiomatic characterization of the weighted accessibility for access structures based on four simple properties.
URIhttp://hdl.handle.net/2117/2098
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