CARDIS
2004
Springer
14 years 4 months ago
2004
Springer
More and more services provided by Internet pose a problem of privacy and anonymity. One cryptographic tool that could be used for solving this problem is the group signature [1, 5...
CTRSA
2005
Springer
14 years 5 months ago
2005
Springer
The Unbalanced Oil and Vinegar scheme (UOV) is a signature scheme based on multivariate quadratic equations. It uses m equations and n variables. A total of v of these are called ...
SISW
2005
IEEE
14 years 5 months ago
2005
IEEE
A crucial element of distributed cryptographic file systems are key management solutions that allow for flexible but secure data sharing. We consider efficient key management s...
PKC
2007
Springer
14 years 5 months ago
2007
Springer
We provide a positive result about the Fiat-Shamir (FS) transform in the standard model, showing how to use it to convert threemove identification protocols into two-tier signatur...
CANS
2007
Springer
14 years 5 months ago
2007
Springer
Abstract. We present a semantic extension to X.509 certificates that allows incorporating new anonymity signature schemes into the X.509 framework. This fact entails advantages to...
FOCS
2007
IEEE
14 years 5 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...
ACNS
2008
Springer
14 years 5 months ago
2008
Springer
We describe two new paradigms on how to obtain ordinary signatures that are secure against existential forgery under adaptively chosen message attacks (fully-secure, in short), fro...
ICDE
2008
IEEE
15 years 26 days ago
2008
IEEE
Abstract-- Communications between individuals can be represented by (weighted, multi-) graphs. Many applications operate on communication graphs associated with telephone calls, em...