119 search results - page 4 / 24 » New Colored Visual Secret Sharing Schemes |
TCC
2007
Springer
14 years 1 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...
COCOON
2008
Springer
13 years 9 months ago
2008
Springer
In this paper, we consider a new visual cryptography scheme that allows for sharing of multiple secret images on graphs: we are given an arbitrary graph (V, E) where every node an...
ASIACRYPT
2004
Springer
14 years 27 days ago
2004
Springer
Abstract. We consider the problem of increasing the threshold parameter of a secret-sharing scheme after the setup (share distribution) phase, without further communication between...
CRYPTO
2005
Springer
14 years 1 months ago
2005
Springer
Error correcting codes and matroids have been widely used in the study of ordinary secret sharing schemes. In this paper, we study the connections between codes, matroids, and a s...
ASIACRYPT
2008
Springer
13 years 9 months ago
2008
Springer
Strongly multiplicative linear secret sharing schemes (LSSS) have been a powerful tool for constructing secure multi-party computation protocols. However, it remains open whether o...