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EUROCRYPT
2008
Springer
14 years 11 months ago
2008
Springer
We provide attacks and analysis that capture a tradeoff, in the ideal-permutation model, between the speed of a permutation-based hash function and its potential security. For coll...
EUROCRYPT
2008
Springer
14 years 11 months ago
2008
Springer
A shuffle of a set of ciphertexts is a new set of ciphertexts with the same plaintexts in permuted order. Shuffles of homomorphic encryptions are a key component in mix-nets, whic...
EUROCRYPT
2008
Springer
14 years 11 months ago
2008
Springer
In the model of perfectly secure message transmission schemes (PSMTs), there are n channels between a sender and a receiver. An infinitely powerful adversary A may corrupt (observe...
EUROCRYPT
2008
Springer
14 years 11 months ago
2008
Springer
Abstract--We consider the use of threshold signatures in adhoc and dynamic groups such as MANETs ("mobile ad-hoc networks"). We first show that known threshold RSA signat...
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EUROCRYPT
2010
Springer
15 years 1 months ago
2010
Springer
At CRYPTO 2008 Stam [7] made the following conjecture: if an m + s-bit to s-bit compression function F makes r calls to a primitive f of n-bit input, then a collision for F can be ...