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- W4366457976 abstract "An ideal secret sharing scheme is a method of sharing a secret key in some key space among a finite set of participants in such a way that only the authorized subsets of participants can reconstruct the secret key from their shares which are of the same length as that of the secret key. The set of all authorized subsets of participants is the access structure of the secret sharing scheme. In this paper, we derive several properties and restate the combinatorial characterization of an ideal secret sharing scheme in Brickell-Stinson model in terms of orthogonality of its representative array. We propose two practical models, namely the parallel and hierarchical models, for access structures, and then, by the restated characterization, we discuss sufficient conditions on finite geometries for ideal secret sharing schemes to realize these access structure models. Several series of ideal secret sharing schemes realizing special parallel or hierarchical access structure model are constructed from finite projective planes." @default.
- W4366457976 created "2023-04-22" @default.
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- W4366457976 date "2023-04-18" @default.
- W4366457976 modified "2023-10-01" @default.
- W4366457976 title "Ideal Secret Sharing Schemes: Combinatorial Characterizations, Certain Access Structures, and Related Geometric Problems" @default.
- W4366457976 doi "https://doi.org/10.48550/arxiv.2304.08741" @default.
- W4366457976 hasPublicationYear "2023" @default.
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