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IACR
2011
104views more  IACR 2011»
12 years 9 months ago
Short Transitive Signatures for Directed Trees
A transitive signature scheme allows to sign a graph in such a way that, given the signatures of edges (a, b) and (b, c), it is possible to compute the signature for the edge (or ...
Philippe Camacho, Alejandro Hevia
ASIACRYPT
2007
Springer
14 years 4 months ago
Fully Anonymous Group Signatures Without Random Oracles
We construct a new group signature scheme using bilinear groups. The group signature scheme is practical, both keys and group signatures consist of a constant number of group elem...
Jens Groth
ASIACRYPT
2010
Springer
13 years 7 months ago
A Group Signature Scheme from Lattice Assumptions
Group signature schemes allow users to sign messages on behalf of a group while (1) maintaining anonymity (within that group) with respect to an observer, yet (2) ensuring traceab...
S. Dov Gordon, Jonathan Katz, Vinod Vaikuntanathan
LATINCRYPT
2010
13 years 8 months ago
A Lattice-Based Threshold Ring Signature Scheme
In this article, we propose a new lattice-based threshold ring signature scheme, modifying Aguilar’s code-based solution to use the short integer solution (SIS) problem as securi...
Pierre-Louis Cayrel, Richard Lindner, Markus R&uum...
JOC
2002
114views more  JOC 2002»
13 years 9 months ago
Improving the Exact Security of Digital Signature Schemes
We put forward a new method of constructing Fiat-Shamir-like signature schemes that yields better "exact security" than the original Fiat-Shamir method. (We also point o...
Silvio Micali, Leonid Reyzin