CARDIS
2004
Springer
13 years 10 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
13 years 10 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
13 years 10 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
13 years 11 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
13 years 11 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
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...
ACNS
2008
Springer
13 years 11 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
14 years 6 months 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...