44 search results - page 5 / 9 » soups 2009 |
SOUPS
2009
ACM
14 years 4 months ago
2009
ACM
We introduce the notion of a conditioned-safe ceremony. A “ceremony” is similar to the conventional notion of a protocol, except that a ceremony explicitly includes human part...
SOUPS
2009
ACM
14 years 4 months ago
2009
ACM
Challenge questions are an increasingly important part of mainstream authentication solutions, yet there are few published studies concerning their usability or security. This pap...
SOUPS
2009
ACM
14 years 4 months ago
2009
ACM
Randomness is a necessary ingredient in various computational tasks and especially in Cryptography, yet many existing mechanisms for obtaining randomness suffer from numerous pro...
SOUPS
2009
ACM
14 years 4 months ago
2009
ACM
The ASIRRA CAPTCHA [6], recently proposed at ACM CCS 2007, relies on the problem of distinguishing images of cats and dogs (a task that humans are very good at). The security of AS...
SOUPS
2009
ACM
14 years 4 months ago
2009
ACM
Secure Device Pairing is the bootstrapping of secure communication between two previously unassociated devices over a wireless channel. The human-imperceptible nature of wireless ...