An optimal multisecret threshold scheme construction

被引：3

作者：

Barwick, SG ^{[1
]}

Jackson, WA ^{[1
]}

机构：

[1] Univ Adelaide, Dept Pure Math, Adelaide, SA 5005, Australia

来源：

DESIGNS CODES AND CRYPTOGRAPHY | 2005年 / 37卷 / 03期

关键词：

secret sharing schemes; multisecret schemes; geometrical construction;

D O I：

10.1007/s10623-004-4031-z

中图分类号：

TP301 [理论、方法];

学科分类号：

081202 ;

摘要：

A multisecret threshold scheme is a system which protects a number of secret keys among a group of n participants. There is a secret s(K) associated with every subset K of k participants such that any t participants in K can reconstruct the secret s(K), but a subset of w participants cannot get any information about a secret they are not associated with. This paper gives a construction for the parameters t = 2, k = 3 and for any n and w that is optimal in the sense that participants hold the minimal amount of information.

引用

页码：367 / 389

页数：23

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