A Novel Identity-Based Threshold Signature

CAI Yong-quan; ZHANG Xue-di; JIANG Nan

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A Novel Identity-Based Threshold Signature

更新时间：2025-07-16

- A Novel Identity-Based Threshold Signature
- Acta Electronica Sinica Vol. 37, Issue S1, Pages: 102-105(2009)
- 作者机构：
  
  北京工业大学计算机学院,北京,100124
- 作者简介：
- 基金信息：
- DOI：
  CLC： TP393.08
- Published：2009
- 稿件说明：
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CAI Yong-quan, ZHANG Xue-di, JIANG Nan. A Novel Identity-Based Threshold Signature[J]. Acta Electronica Sinica, 2009, 37(S1): 102-105.
DOI：

CAI Yong-quan, ZHANG Xue-di, JIANG Nan. A Novel Identity-Based Threshold Signature[J]. Acta Electronica Sinica, 2009, 37(S1): 102-105. DOI：

摘要

门限签名能够分散签名权力

比普通单人签名具有更高的安全性.目前大多数门限签名都是随机预言模型下可证明安全的.本文利用椭圆曲线上的双线性对

以Paterson签名方案为基础

提出了一种无随机预言的基于身份的门限签名方案.该方案需要一个可信任的私钥生成中心来生成和管理私钥.在标准模型下对该方案进行了安全性证明

表明该方案是健壮的

并且能够抵抗适应性选择消息攻击.

Abstract

Threshold signature is designed to distribute the power of signature

therefore it is more secure than normal single signature.Most of the existing threshold signatrue schemes are provable secure in the random oracle model.An identity-based signature (IBS) is proposed from the bilinear parings based on Paterson's signature scheme In the proposed threshold signatue scheme

a trusted private key generator (PKG) is required to generate and manage the private secret key.The security of the signature scheme is proven in this paper.We show that it is strong and resisted against adapt chosen message attack.

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ZHANG Wen-fang

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Related Institution

School of Information Science and Technology, Southwest Jiaotong University

Key Laboratory of Information Security and National Computing Grid, Southwest Jiaotong University

School of Information Science and Technology Southwest Jiaotong University Chengdu Sichuan China

Key Laboratory of Information Security and National Computing Grid Southwest Jiaotong University Chengdu Sichuan China

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