977 search results - page 82 / 196 » Secure Computation with Fixed-Point Numbers |
SACMAT
2010
ACM
13 years 7 months ago
2010
ACM
Proposed models for spatially-aware extensions of role-based access control (RBAC) combine the administrative and security advantages of RBAC with the dynamic nature of mobile and...
CHI
2008
ACM
14 years 9 months ago
2008
ACM
A number of recent scams and security attacks (phishing, spyware, fake terminals, ...) hinge on a crook's ability to observe user behavior. In this paper, we describe the des...
MOBIHOC
2008
ACM
14 years 8 months ago
2008
ACM
Local monitoring is an effective mechanism for the security of wireless sensor networks (WSNs). Existing schemes assume the existence of sufficient number of active nodes to carry...
CCS
2009
ACM
14 years 3 months ago
2009
ACM
We introduce the concept of membership-concealing overlay networks (MCONs), which hide the real-world identities of participants. We argue that while membership concealment is ort...
CCS
2007
ACM
14 years 3 months ago
2007
ACM
We propose BeamAuth, a two-factor web authentication technique where the second factor is a specially crafted bookmark. BeamAuth presents two interesting features: (1) only server...