Fair Blind Signatures without Random Oracles

被引：0

作者：

Fuchsbauer, Georg ^{[1
]}

Vergnaud, Damien ^{[1
]}

机构：

[1] Ecole Normale Super, CNRS, INRIA, Liens, Paris, France

来源：

PROGRESS IN CRYPTOLOGY - AFRICACRYPT 2010 | 2010年 / 6055卷

关键词：

Blind signatures; revocable anonymity; standard model; Groth-Sahai proof system;

D O I：

暂无

中图分类号：

TP31 [计算机软件];

学科分类号：

081202 ; 0835 ;

摘要：

A fair blind signature is a blind signature with revocable anonymity and unlinkability, i.e. an authority can link an issuing session to the resulting signature and trace a signature to the user who requested it. In this paper we first revisit the security model for fair blind signatures given by Hufschmitt and Traore in 2007. We then give the first practical fair blind signature scheme with a security proof in the standard model. Our scheme satisfies a stronger variant of the Hufschmitt-Traore model.

引用

页码：16 / 33

页数：18

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