78 search results - page 2 / 16 » (Convertible) Undeniable Signatures Without Random Oracles |
ISCI
2008
13 years 5 months ago
2008
In this paper, we present the first certificateless undeniable signature scheme. The scheme does not suffer from the key escrow problem, which is inherent in identity based crypto...
ACNS
2004
Springer
13 years 9 months ago
2004
Springer
Motivated by the conflict between authenticity and privacy in the digital signature, the notion of limited verifier signature was introduced [1]. The signature can be verified by a...
JOC
2011
12 years 8 months ago
2011
This paper is devoted to the design and analysis of short undeniable signatures based on a random oracle. Exploiting their online property, we can achieve signatures with a fully s...
EUROCRYPT
2012
Springer
11 years 7 months ago
2012
Springer
We provide an alternative method for constructing lattice-based digital signatures which does not use the “hash-and-sign” methodology of Gentry, Peikert, and Vaikuntanathan (ST...
ASIACRYPT
2004
Springer
13 years 10 months ago
2004
Springer
We introduce a new computational problem related to the interpolation of group homomorphisms which generalizes many famous cryptographic problems including discrete logarithm, Di...