860 search results - page 143 / 172 » On the Security of Delegation in Access Control Systems |
CCS
2010
ACM
14 years 2 months ago
2010
ACM
In distributed environments, statements from a number of principals, besides the central trusted party, may influence the derivations of authorization decisions. However, existin...
CCS
2008
ACM
13 years 9 months ago
2008
ACM
Role Engineering is a security-critical task for systems using role-based access control (RBAC). Different role-mining approaches have been proposed that attempt to automatically ...
HICSS
2008
IEEE
14 years 2 months ago
2008
IEEE
—In this paper, we propose a new user authentication (UA) scheme based on one-time password (OTP) protocol using smart cards for home networks. The proposed scheme is to authenti...
ESORICS
2004
Springer
14 years 1 months ago
2004
Springer
We describe an approach to sensor-based authentication that can adapt to accommodate incomplete, unreliable, or inaccurate input provided to the system. Parameterized Authenticatio...
SIGUCCS
2000
ACM
13 years 11 months ago
2000
ACM
Crime on the Internet has become a formidable challenge for university information technology and student judicial systems. The nature of university computing requires a relativel...