537 search results - page 49 / 108 » The Saga Security System: A Security Architecture for Open D... |
CCS
2005
ACM
14 years 2 months ago
2005
ACM
This paper introduces the PeerAccess framework for reasoning about authorization in open distributed systems, and shows how a parameterization of the framework can be used to reas...
CANS
2008
Springer
13 years 11 months ago
2008
Springer
Proxy re-encryption (PRE), introduced by Blaze, Bleumer and Strauss, allows a semi-trusted proxy to convert a ciphertext originally intended for Alice into an encryption of the sa...
ICWS
2007
IEEE
13 years 10 months ago
2007
IEEE
Security enforcement framework is an important aspect of any distributed system. With new requirements imposed by SOA-based business models, adaptive security enforcement on the a...
ECIS
2000
13 years 10 months ago
2000
The concept of context-dependent access control has emerged during the last years: Information about the state of a process model of a working environment is combined with general ...
VIS
2004
IEEE
14 years 10 months ago
2004
IEEE
We present a system for simulating and visualizing the propagation of dispersive contaminants with an application to urban security. In particular, we simulate airborne contaminan...