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MOBILITY
2009
ACM
14 years 2 months ago
UbiPay: minimizing transaction costs with smart mobile payments
Implementing an electronic payment system involves striking a balance between usability and security. Systems that allow payments to be completed with little effort on the part of...
Vili Lehdonvirta, Hayuru Soma, Hitoshi Ito, Tetsuo...
WPES
2005
ACM
14 years 1 months 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
ICPR
2002
IEEE
14 years 24 days ago
Biometric Hash based on Statistical Features of Online Signatures
This paper presents a new approach to generate biometric hash values based on statistical features in online signature signals. Whilst the output of typical online signature verif...
Claus Vielhauer, Ralf Steinmetz, Astrid Mayerh&oum...
MOBISEC
2009
Springer
14 years 2 months ago
Filtering SPAM in P2PSIP Communities with Web of Trust
Spam is a dominant problem on email systems today. One of the reasons is the lack of infrastructure for security and trust. As Voice over IP (VoIP) communication becomes increasing...
Juho Heikkilä, Andrei Gurtov
CCS
2007
ACM
14 years 2 months ago
Dynamic pharming attacks and locked same-origin policies for web browsers
We describe a new attack against web authentication, which we call dynamic pharming. Dynamic pharming works by hijacking DNS and sending the victim’s browser malicious Javascrip...
Chris Karlof, Umesh Shankar, J. Doug Tygar, David ...