40 search results - page 2 / 8 » Secret Sharing with Access Structures in a Hierarchy |
JCM
2007
13 years 5 months ago
2007
— 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...
DAM
2006
13 years 5 months ago
2006
The characterization of ideal access structures and the search for bounds on the optimal information rate are two important problems in secret sharing. These problems are studied ...
TCC
2010
Springer
14 years 2 months ago
2010
Springer
The search of efficient constructions of ideal secret sharing schemes for families of nonthreshold access structures that may have useful applications has attracted a lot of atten...
ASIACRYPT
1992
Springer
13 years 9 months ago
1992
Springer
: Nonperfect secret sharing schemes NSSs have an advantage such that the size of shares can be shorter than that of perfect secret sharing schemes. This paper shows some basic prop...
TCC
2005
Springer
13 years 10 months ago
2005
Springer
Weighted threshold secret sharing was introduced by Shamir in his seminal work on secret sharing. In such settings, there is a set of users where each user is assigned a positive w...