13 search results - page 3 / 3 » Provably-secure time-bound hierarchical key assignment schem... |
SEC
2008
14 years 11 months ago
2008
Implementing access control efficiently and effectively in an open and distributed system is a challenging problem. One reason for this is that users requesting access to remote re...
WS
2003
ACM
15 years 2 months ago
2003
ACM
Recent results indicate scalability problems for flat ad hoc networks. To address the issue of scalability, self-organizing hierarchical ad hoc architectures are being investigat...
TCC
2005
Springer
15 years 3 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...