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» On the Security of Random Sources
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176
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IACR
2011
106views more  IACR 2011»
14 years 5 months ago
Hash Functions Based on Three Permutations: A Generic Security Analysis
We consider the family of 2n-to-n-bit compression functions that are solely based on at most three permutation executions and on XOR-operators, and analyze its collision and preima...
Bart Mennink, Bart Preneel
140
Voted
APPROX
2007
Springer
77views Algorithms» more  APPROX 2007»
16 years 10 days ago
High Entropy Random Selection Protocols
We study the two party problem of randomly selecting a string among all the strings of length n. We want the protocol to have the property that the output distribution has high en...
Harry Buhrman, Matthias Christandl, Michal Kouck&y...
TRUSTBUS
2004
Springer
15 years 11 months ago
Large-Scale Pay-As-You-Watch for Unicast and Multicast Communications
This paper addresses the problem of pay-as-you-watch services over unicast and multicast communications. For each communication model, we present two solutions, non-verifiable and...
Antoni Martínez-Ballesté, Francesc S...
158
Voted
CRYPTO
2008
Springer
84views Cryptology» more  CRYPTO 2008»
15 years 8 months ago
Improved Bounds on Security Reductions for Discrete Log Based Signatures
Despite considerable research efforts, no efficient reduction from the discrete log problem to forging a discrete log based signature (e.g. Schnorr) is currently known. In fact, ne...
Sanjam Garg, Raghav Bhaskar, Satyanarayana V. Loka...
IEEEARES
2010
IEEE
15 years 10 months ago
Configuration Fuzzing for Software Vulnerability Detection
Many software security vulnerabilities only reveal themselves under certain conditions, i.e., particular configurations of the software together with its particular runtime environ...
Huning Dai, Christian Murphy, Gail E. Kaiser