40 search results - page 5 / 8 » Secret Sharing with Access Structures in a Hierarchy |
CRYPTO
2012
Springer
11 years 9 months ago
2012
Springer
A secret-sharing scheme realizes a graph if every two vertices connected by an edge can reconstruct the secret while every independent set in the graph does not get any informatio...
EUROCRYPT
2000
Springer
13 years 10 months ago
2000
Springer
We show that verifiable secret sharing (VSS) and secure multi-party computation (MPC) among a set of n players can efficiently be based on any linear secret sharing scheme (LSSS) f...
TCC
2004
Springer
14 years 7 days ago
2004
Springer
We consider the problem of threshold secret sharing in groups with hierarchical structure. In such settings, the secret is shared among a group of participants that is partitioned ...
TIT
2008
13 years 6 months ago
2008
Error-correcting codes and matroids have been widely used in the study of ordinary secret sharing schemes. In this paper, the connections between codes, matroids, and a special cla...
COCO
2005
Springer
14 years 13 days ago
2005
Springer
Weighted threshold functions with positive weights are a natural generalization of unweighted threshold functions. These functions are clearly monotone. However, the naive way of ...