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EUROCRYPT
2005
Springer
13 years 11 months ago
2005
Springer
This paper introduces the related-key boomerang and the related-key rectangle attacks. These new attacks can expand the cryptanalytic toolbox, and can be applied to many block ciph...
EUROCRYPT
2007
Springer
14 years 3 days ago
2007
Springer
Abstract. Multiparty signature protocols need protection against roguekey attacks, made possible whenever an adversary can choose its public key(s) arbitrarily. For many schemes, p...
EUROCRYPT
2007
Springer
13 years 9 months ago
2007
Springer
Abstract. We introduce a notion of instance-dependent verifiable random functions (InstD-VRFs for short). Informally, an InstD-VRF is, in some sense, a verifiable random function [...
EUROCRYPT
2007
Springer
14 years 3 days ago
2007
Springer
We study an adaptive variant of oblivious transfer in which a sender has N messages, of which a receiver can adaptively choose to receive k one-after-the-other, in such a way that ...
EUROCRYPT
2007
Springer
14 years 3 days ago
2007
Springer
We investigate a general class of (black-box) constructions for range extension of weak pseudorandom functions: a construction based on m independent functions F1, . . . , Fm is gi...