7 search results - page 1 / 2 » Eliminating Random Permutation Oracles in the Even-Mansour C... |
ASIACRYPT
2004
Springer
13 years 10 months ago
2004
Springer
Abstract. Even and Mansour [EM97] proposed a block cipher construction that takes a publicly computable random permutation oracle P and XORs different keys prior to and after appl...
CRYPTO
2008
Springer
13 years 6 months ago
2008
Springer
The Random Oracle Model and the Ideal Cipher Model are two well known idealised models of computation for proving the security of cryptosystems. At Crypto 2005, Coron et al. showed...
EUROCRYPT
2008
Springer
13 years 6 months ago
2008
Springer
Abstract. In this paper we prove that the sponge construction introduced in [4] is indifferentiable from a random oracle when being used with a random transformation or a random pe...
FOCS
2007
IEEE
13 years 11 months ago
2007
IEEE
We show that every construction of one-time signature schemes from a random oracle achieves black-box security at most 2(1+o(1))q , where q is the total number of oracle queries a...
ASIACRYPT
2006
Springer
13 years 8 months ago
2006
Springer
Understanding what construction strategy has a chance to be a good hash function is extremely important nowadays. In TCC'04, Maurer et al. [13] introduced the notion of indiff...