21 search results - page 2 / 5 » On the Random-Oracle Methodology as Applied to Length-Restri... |
ASIACRYPT
2005
Springer
13 years 10 months ago
2005
Springer
Abstract We provide evidence that the unforgeability of several discrete-log based signatures like Schnorr signatures cannot be equivalent to the discrete log problem in the standa...
ACISP
2007
Springer
13 years 11 months ago
2007
Springer
Abstract. Digital signatures are often proven to be secure in the random oracle model while hash functions deviate more and more from this idealization. Liskov proposed to model a ...
ESORICS
2005
Springer
13 years 10 months ago
2005
Springer
Abstract. Formal methods have been extensively applied to the certification of cryptographic protocols. However, most of these works make the perfect cryptography assumption, i.e....
CIS
2005
Springer
13 years 10 months ago
2005
Springer
Restrictive blind signatures allow a recipient to receive a blind signature on a message not known to the signer but the choice of message is restricted and must conform to certain...
DCC
2005
IEEE
14 years 4 months ago
2005
IEEE
Signcryption [35] is a public key primitive that achieves the functionality of both an encryption scheme and a signature scheme simultaneously. It does this more efficiently than a...