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SASN
2006
ACM
15 years 11 months ago
Attack-resilient hierarchical data aggregation in sensor networks
In a large sensor network, in-network data aggregation, i.e., combining partial results at intermediate nodes during message routing, significantly reduces the amount of communic...
Sankardas Roy, Sanjeev Setia, Sushil Jajodia
WISEC
2010
ACM
15 years 10 months ago
Privacy-preserving computation of benchmarks on item-level data using RFID
Currently, companies are about to optimize their internal processes by monitoring items they handle with Radio Frequency Identification (RFID). However, there is a risk that sens...
Florian Kerschbaum, Nina Oertel, Leonardo Weiss Fe...
EUROCRYPT
2003
Springer
15 years 10 months ago
Two-Threshold Broadcast and Detectable Multi-party Computation
Classical distributed protocols like broadcast or multi-party computation provide security as long as the number of malicious players f is bounded by some given threshold t, i.e., ...
Matthias Fitzi, Martin Hirt, Thomas Holenstein, J&...
CCS
2006
ACM
15 years 8 months ago
Providing witness anonymity in peer-to-peer systems
In this paper, we introduce the concept of witness anonymity for peer-to-peer systems. Witness anonymity combines the seemingly conflicting requirements of anonymity (for honest p...
Bo Zhu, Sanjeev Setia, Sushil Jajodia
CCS
2010
ACM
15 years 5 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...