225 search results - page 17 / 45 » Nonperfect Secret Sharing Schemes |
ACISP
2004
Springer
13 years 11 months ago
2004
Springer
Abstract. In this paper we propose an optimistic two-party fair exchange protocol which does not rely on a centralized trusted third party. Instead, the fairness of the protocol re...
COMPSEC
2010
13 years 6 months ago
2010
Abstract A Secret Handshake is a protocol that allows two users to mutually verify one another’s properties, and in case of simultaneous matching, to share a key used to secure s...
CRYPTO
2005
Springer
14 years 28 days ago
2005
Springer
A black-box secret sharing scheme (BBSSS) for a given access structure works in exactly the same way over any finite Abelian group, as it only requires black-box access to group o...
TPDS
1998
13 years 7 months ago
1998
—We suggest a method of controlling the access to a secure database via quorum systems. A quorum system is a collection of sets (quorums) every two of which have a nonempty inter...
IJNSEC
2008
13 years 7 months ago
2008
We improve a secret sharing scheme, which enables users select their personal keys by themselves instead of being distributed by group manager and users can reuse their personal k...