ICITS
2009
13 years 10 months ago
2009
In a multisecret sharing scheme, several secret values are distributed among a set of n users, and each secret may have a different associated access structure. We consider here un...
DAM
2006
14 years 14 days 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 ...
STOC
2000
ACM
14 years 4 months ago
2000
ACM
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...
EUROCRYPT
1998
Springer
14 years 4 months ago
1998
Springer
Abstract. This paper describes e cient protocols for multi-party computations that are information-theoretically secure against passive attacks. The results presented here apply to...
VLDB
1999
ACM
14 years 4 months ago
1999
ACM
We present an optimization method and algorithm designed for three objectives: physical data independence, semantic optimization, and generalized tableau minimization. The method ...
LAWEB
2003
IEEE
14 years 5 months ago
2003
IEEE
In this article we present a method for the design and implementation of Web Applications for the Semantic Web. Based on the "Object Oriented Hypermedia Design Method" a...
AINA
2005
IEEE
14 years 6 months ago
2005
IEEE
In a secret sharing scheme based upon access structures, each group has an authorization and only the participants who stayed in an authorized access structure can recover the sec...
TCC
2007
Springer
14 years 6 months ago
2007
Springer
Abstract. One of the main open problems in secret sharing is the characterization of the access structures of ideal secret sharing schemes. As a consequence of the results by Brick...
CCS
2007
ACM
14 years 6 months ago
2007
ACM
In ciphertext policy attribute-based encryption (CP-ABE), every secret key is associated with a set of attributes, and every ciphertext is associated with an access structure on a...