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DCC
2006
IEEE
15 years 11 months ago
A Flaw in the Use of Minimal Defining Sets for Secret Sharing Schemes
It is shown that in some cases it is possible to reconstruct a block design D uniquely from incomplete knowledge of a minimal defining set for D. This surprising result has implic...
Mike J. Grannell, Terry S. Griggs, Anne Penfold St...
STOC
2000
ACM
137views Algorithms» more  STOC 2000»
15 years 3 months ago
On the complexity of verifiable secret sharing and multiparty computation
We first study the problem of doing Verifiable Secret Sharing (VSS) information theoretically secure for a general access structure. We do it in the model where private channels b...
Ronald Cramer, Ivan Damgård, Stefan Dziembow...
JCM
2007
82views more  JCM 2007»
14 years 11 months ago
Secret Sharing Schemes With General Access Structure Based On MSPs
— In this paper we introduce two operations of access structure to build large monotone span programs MSPs from small MSPs. Furthermore, we point out a new method of constructing...
Jun Xu, Xiaomin Zha
ICC
2007
IEEE
186views Communications» more  ICC 2007»
15 years 6 months ago
An Efficient Cluster-Based Proactive Secret Share Update Scheme for Mobile Ad Hoc Networks
– When implementing public key security ser- easy for an adversary to collect data and attack. To solve this vices in mobile ad hoc networks (MANETs), multiple problem, the distr...
Ying Dong, Ai Fen Sui, Siu-Ming Yiu, Victor O. K. ...
ACSAC
2009
IEEE
15 years 6 months ago
Enabling Secure Secret Sharing in Distributed Online Social Networks
—We study a new application of threshold-based secret sharing in a distributed online social network (DOSN), where users need a means to back up and recover their private keys in...
Le-Hung Vu, Karl Aberer, Sonja Buchegger, Anwitama...