6 search results - page 1 / 2 » Access Control and Signatures via Quorum Secret Sharing |
TPDS
1998
13 years 4 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...
TIFS
2010
12 years 11 months ago
2010
Access control is the fundamental security service in ad hoc groups. It is needed not only to prevent unauthorized entities from joining the group, but also to bootstrap other secu...
CONCUR
2006
Springer
13 years 8 months ago
2006
Springer
Abstract. We develop a variant of Gordon and Hankin's concurrent object calculus with support for flexible access control on methods. We investigate safe administration and ac...
CCS
2007
ACM
13 years 10 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...
EUROCRYPT
2009
Springer
14 years 5 months ago
2009
Springer
A group key agreement (GKA) protocol allows a set of users to establish a common secret via open networks. Observing that a major goal of GKAs for most applications is to establish...