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FSE
2007
Springer
115views Cryptology» more  FSE 2007»
14 years 4 months ago
Improving the Security of MACs Via Randomized Message Preprocessing
Abstract. “Hash then encrypt” is an approach to message authentication, where first the message is hashed down using an ε-universal hash function, and then the resulting k-bi...
Yevgeniy Dodis, Krzysztof Pietrzak
TCC
2007
Springer
104views Cryptology» more  TCC 2007»
14 years 4 months ago
Unifying Classical and Quantum Key Distillation
Assume that two distant parties, Alice and Bob, as well as an adversary, Eve, have access to (quantum) systems prepared jointly according to a tripartite state ρABE. In addition, ...
Matthias Christandl, Artur Ekert, Michal Horodecki...
TCC
2007
Springer
125views Cryptology» more  TCC 2007»
14 years 4 months ago
Evaluating Branching Programs on Encrypted Data
Abstract. We present a public-key encryption scheme with the following properties. Given a branching program P and an encryption c of an input x, it is possible to efficiently com...
Yuval Ishai, Anat Paskin
ACNS
2006
Springer
109views Cryptology» more  ACNS 2006»
14 years 3 months ago
Misusing Unstructured P2P Systems to Perform DoS Attacks: The Network That Never Forgets
Unstructured P2P systems have gained great popularity in recent years and are currently used by millions of users. One fundamental property of these systems is the lack of structu...
Elias Athanasopoulos, Kostas G. Anagnostakis, Evan...
CCS
2005
ACM
14 years 3 months ago
A model and architecture for pseudo-random generation with applications to /dev/random
We present a formal model and a simple architecture for robust pseudorandom generation that ensures resilience in the face of an observer with partial knowledge/control of the gen...
Boaz Barak, Shai Halevi