83 search results - page 15 / 17 » Identity Delegation in Policy Based Systems |
SECON
2007
IEEE
15 years 3 months ago
2007
IEEE
Abstract—While mechanisms exist to instantiate common security functionality such as confidentiality and integrity, little has been done to define a mechanism for identificati...
GLOBECOM
2010
IEEE
14 years 7 months ago
2010
IEEE
Proof of a user's identity is not always a sufficient means for making an authorization decision. In an increasing set of circumstances, knowledge of physical location provide...
COLCOM
2007
IEEE
15 years 4 months ago
2007
IEEE
—In an ad-hoc collaborative sharing environment, attribute-based access control provides a promising approach in defining authorization over shared resources based on users’ p...
HASE
2008
IEEE
15 years 4 months ago
2008
IEEE
—In this paper, we investigate the transmission-power assignment problem for k-connected mobile ad hoc networks (MANETs), the problem of optimizing the lifetime of a MANET at a g...
CCS
2008
ACM
14 years 11 months ago
2008
ACM
A well-known concern in the setting of identity based encryption is that the PKG is all powerful and has to be completely trusted. To mitigate this problem, the notion of Accounta...