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ACSAC
2009
IEEE
14 years 2 months ago
Enabling Secure Secret Sharing in Distributed Online Social Networks
—We study a new application of threshold-based secret sharing in a distributed online social network (DOSN), where users need a means to back up and recover their private keys in...
Le-Hung Vu, Karl Aberer, Sonja Buchegger, Anwitama...
MOBISEC
2009
Springer
14 years 1 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
SP
2006
IEEE
121views Security Privacy» more  SP 2006»
14 years 1 months ago
On the Secrecy of Timing-Based Active Watermarking Trace-Back Techniques
Timing-based active watermarking schemes are developed to trace back attackers through stepping stone connections or anonymizing networks. By slightly changing packet timing, thes...
Pai Peng, Peng Ning, Douglas S. Reeves
CCS
2008
ACM
13 years 9 months ago
Flexible and secure enterprise rights management based on trusted virtual domains
The requirements for secure document workflows in enterprises become increasingly sophisticated, with employees performing different tasks under different roles using the same pro...
Yacine Gasmi, Ahmad-Reza Sadeghi, Patrick Stewin, ...
CCS
2010
ACM
13 years 7 months ago
Modeling attacks on physical unclonable functions
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...
Ulrich Rührmair, Frank Sehnke, Jan Sölte...