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CHI
2003
ACM
16 years 7 months ago
Safe & sound: a wireless leash
Safe & Sound uses location-aware mobile phones to create a "virtual leash"; a secure zone beyond which a child may not travel. If the child leaves this zone, both ch...
Natalia Marmasse, Chris Schmandt
NSDI
2008
15 years 9 months ago
Freezing More Than Bits: Chilling Effects of the OLPC XO Security Model
In this paper, we discuss Bitfrost, the security model developed by the One Laptop Per Child project for its XO laptop computers. Bitfrost implements a number of security measures...
Meredith L. Patterson, Len Sassaman, David Chaum
KDD
2006
ACM
130views Data Mining» more  KDD 2006»
16 years 7 months ago
Efficient anonymity-preserving data collection
The output of a data mining algorithm is only as good as its inputs, and individuals are often unwilling to provide accurate data about sensitive topics such as medical history an...
Justin Brickell, Vitaly Shmatikov
SACMAT
2009
ACM
16 years 1 months ago
xDomain: cross-border proofs of access
A number of research systems have demonstrated the benefits of accompanying each request with a machine-checkable proof that the request complies with access-control policy — a...
Lujo Bauer, Limin Jia, Michael K. Reiter, David Sw...
WPES
2005
ACM
16 years 6 days ago
Anonymous yet accountable access control
This paper introduces a novel approach for augmenting attributebased access control systems in a way that allows them to offer fully anonymous access to resources while at the sam...
Michael Backes, Jan Camenisch, Dieter Sommer