Paper 2002/173 Original: eprint.iacr.org/2002/173 ↗
Efficient Group Signatures without Trapdoors
Abstract
Group signature schemes enable unlinkably anonymous authentication, in the same fashion that digital signatures provide the basis for strong authentication protocols. This paper introduces the first group signature scheme with constant-size parameters that does not require any group member, including group managers, to know trapdoor secrets. This novel type of group signature scheme allows public parameters to be shared among organizations, and are useful when several distinct groups must interact and exchange information about individuals while protecting their privacy.
Metadata
- Available format(s)
PDF- Category
- Cryptographic protocols
- Publication info
- Preprint.
- History
- 2004-04-21: last updated
- 2002-11-13: published
- Short URL
- https://ia.cr/2002/173
- License
- https://creativecommons.org/licenses/by/4.0/
BibTeX
@misc{cryptoeprint:2002/173,
author = {Giuseppe Ateniese and Breno de Medeiros},
title = {Efficient Group Signatures without Trapdoors},
howpublished = {Cryptology {ePrint} Archive, Paper 2002/173},
year = {2002},
url = {https://eprint.iacr.org/2002/173}
}