Blind Ring Signatures Secure under the Chosen-Target-CDH Assumption

Javier Herranz 1, 2 Fabien Laguillaumie 1
1 TANC - Algorithmic number theory for cryptology
LIX - Laboratoire d'informatique de l'École polytechnique [Palaiseau], Inria Saclay - Ile de France, Polytechnique - X, CNRS - Centre National de la Recherche Scientifique : UMR7161
Abstract : Blind signatures are a useful ingredient to design secure sophisticated systems like electronic voting or sensitive applications like e-cash. Multi-users signature schemes, like ring or group signatures, are also a useful tool to provide to such systems some properties like scalability, anonymity, (dynamic) group structure, revocation facilities... We propose in this article a simple blind ring signature scheme based on pairings on algebraic curves. We formally prove the security (anonymity, blindness and unforgeability) of our scheme in the random oracle model, under quite standard assumptions.
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Communication dans un congrès
9th Information Security Conference (ISC'06), Aug 2006, Samos - Greece, 2006
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Contributeur : Fabien Laguillaumie <>
Soumis le : mercredi 24 mai 2006 - 11:05:55
Dernière modification le : jeudi 11 janvier 2018 - 06:22:14
Document(s) archivé(s) le : dimanche 4 avril 2010 - 23:25:16

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Javier Herranz, Fabien Laguillaumie. Blind Ring Signatures Secure under the Chosen-Target-CDH Assumption. 9th Information Security Conference (ISC'06), Aug 2006, Samos - Greece, 2006. 〈inria-00072853〉

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