455 search results - page 83 / 91 » Differential Privacy in New Settings |
CCS
2010
ACM
14 years 9 months ago
2010
ACM
We show in this paper how several proposed Physical Unclonable Functions (PUFs) can be broken by numerical modeling attacks. Given a set of challenge-response pairs (CRPs) of a PU...
ACSAC
2010
IEEE
14 years 7 months ago
2010
IEEE
Many financial institutions have deployed CAPTCHAs to protect their services (e.g., e-banking) from automated attacks. In addition to CAPTCHAs for login, CAPTCHAs are also used to...
CSFW
2011
IEEE
13 years 9 months ago
2011
IEEE
—Randomization is used in computer security as a tool to introduce unpredictability into the software infrastructure. In this paper, we study the use of randomization to achieve ...
EDBT
2009
ACM
15 years 1 months ago
2009
ACM
In a database system, disclosure of confidential private data may occur if users can put together the answers of past queries. Traditional access control mechanisms cannot guard a...
ECCV
2006
Springer
15 years 11 months ago
2006
Springer
We introduce a new approach to modelling gradient flows of contours and surfaces. While standard variational methods (e.g. level sets) compute local interface motion in a different...