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WS
2005
ACM
15 years 3 months ago
Hotspot-based traceback for mobile ad hoc networks
Traceback schemes are useful to identify the source of an attack. Existing traceback systems are not suitable for Mobile Ad Hoc Networks (MANET) because they rely on assumptions s...
Yi-an Huang, Wenke Lee
CCS
2003
ACM
15 years 2 months ago
Using graphic turing tests to counter automated DDoS attacks against web servers
We present WebSOS, a novel overlay-based architecture that provides guaranteed access to a web server that is targeted by a denial of service (DoS) attack. Our approach exploits t...
William G. Morein, Angelos Stavrou, Debra L. Cook,...
CRYPTO
2006
Springer
106views Cryptology» more  CRYPTO 2006»
15 years 1 months ago
On Robust Combiners for Private Information Retrieval and Other Primitives
Abstract. Let A and B denote cryptographic primitives. A (k, m)robust A-to-B combiner is a construction, which takes m implementations of primitive A as input, and yields an implem...
Remo Meier, Bartosz Przydatek
CCS
2009
ACM
15 years 4 months ago
CoSP: a general framework for computational soundness proofs
We describe CoSP, a general framework for conducting computational soundness proofs of symbolic models and for embedding these proofs into formal calculi. CoSP considers arbitrary...
Michael Backes, Dennis Hofheinz, Dominique Unruh
SP
2009
IEEE
130views Security Privacy» more  SP 2009»
15 years 4 months ago
Wirelessly Pickpocketing a Mifare Classic Card
The Mifare Classic is the most widely used contactless smartcard on the market. The stream cipher CRYPTO1 used by the Classic has recently been reverse engineered and serious atta...
Flavio D. Garcia, Peter van Rossum, Roel Verdult, ...