Threshold Attribute-Based Signature and Its Security

MA Chun-guang; SHI Lan; ZHOU Chang-Li; WANG Ding

doi:10.3969/j.issn.0372-2112.2013.05.029

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Threshold Attribute-Based Signature and Its Security

更新时间：2025-07-16

- Threshold Attribute-Based Signature and Its Security
- Acta Electronica Sinica Vol. 41, Issue 5, Pages: 1012-1015(2013)
- 作者机构：
  
  1. 哈尔滨工程大学计算机科学与技术学院,黑龙江,哈尔滨,150001
  2. 网络与数据安全四川省重点实验室,四川,成都,611731
  3. 哈尔滨工程大学计算机科学与技术学院黑龙江哈尔滨,150001
  4. 网络与数据安全四川省重点实验室四川成都,611731
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0372-2112.2013.05.029
  CLC： TP309
- Published：2013
- 稿件说明：
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MA Chun-guang, SHI Lan, ZHOU Chang-Li, et al. Threshold Attribute-Based Signature and Its Security[J]. Acta Electronica Sinica, 2013, 41(5): 1012-1015.
DOI：

MA Chun-guang, SHI Lan, ZHOU Chang-Li, et al. Threshold Attribute-Based Signature and Its Security[J]. Acta Electronica Sinica, 2013, 41(5): 1012-1015. DOI： 10.3969/j.issn.0372-2112.2013.05.029.

摘要

属性基门限签名方案要求用户的身份用一系列的属性来描述

签名者的权力由其所拥有的属性集合决定.验证者通过验证该签名

只能确定该签名者属性集与验签属性集合相同的属性数目超过门限值个

具有保护属性隐私的作用.本文分析了Li等人的灵活门限签名方案

发现其存在签名伪造的安全问题.针对该方案安全性方面的不足

本文设计了一个安全可证的属性基门限签名方案

并基于CDH困难假设

在标准模型下证明了该签名算法的安全性.

Abstract

A threshold attribute-based signature (t-ABS) scheme defines each signer with a set of attributes

which determine signature ability for each signer.In a t-ABS

signature holder prove possession of signatures by revealing only a threshold number of attributes in common with the verification attribute set

hence providing signer-attribute privacy for the signers.In this paper

we analyze a flexiblethreshold ABS proposed by Li et al and demonstrate its vulnerability to forgeable attacks.Finally

we introduce a t-ABS scheme

which is proved to be secure in the standard model based on CDH problem.

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Related Institution

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