An Improved E-Cash System Based on Restrictive Blind Signature

WANG Chang-ji; PEI Ding-yi; JIANG Wen-bao

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An Improved E-Cash System Based on Restrictive Blind Signature

更新时间：2025-07-16

- An Improved E-Cash System Based on Restrictive Blind Signature
- Acta Electronica Sinica Vol. 30, Issue 7, Pages: 1083-1085(2002)
- 作者机构：
  
  1. 中国科学技术大学研究生院信息安全国家重点实验室,北京,100039
  2. 中国科学院高能物理研究所计算中心,北京,100039
  3. 中国科学技术大学研究生院信息安全国家重点实验室北京,100039
  4. 中国科学院高能物理研究所计算中心北京,100039
- 作者简介：
- 基金信息：
- DOI：
  CLC： TP393.08
- Published Online：25 July 2002，
  
  Published：2002
- 稿件说明：
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WANG Chang-ji, PEI Ding-yi, JIANG Wen-bao. An Improved E-Cash System Based on Restrictive Blind Signature[J]. Acta Electronica Sinica, 2002, 30(7): 1083-1085.
DOI：

WANG Chang-ji, PEI Ding-yi, JIANG Wen-bao. An Improved E-Cash System Based on Restrictive Blind Signature[J]. Acta Electronica Sinica, 2002, 30(7): 1083-1085. DOI：

摘要

本文简述了电子现金系统的研究成果及其发展现状

并对文Brands提出的基于限制性盲签名的电子现金系统作了改进

提出了一个新的电子现金系统

在用户提取的由银行盲签名的电子现金中

嵌入有由银行规定的该电子现金的有效期

银行只需保留所有已经使用过的、还未过期的电子现金

这就大大地减少了银行的存储量.

Abstract

In this paper

we reviewed the art of e-cash in brief

and improved the Brands' e-cash system based on the restrictive blind signature.In our new e-cash system

the withdrawal date and expiry date

prescribed by the bank are embedded in the withdrawn e-cash.Users cannot alter these information later

the bank only needs to keep all used and undue e-cash in his database to trace the double-spender.Thus it reduces the storage level and improves the querying efficiency of the bank to detect double-spending.

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Related Institution

Dept.of Electronic Information Engineering,Beijing Electronic Science and Technology Institute

Information Security Center,Beijing Univ.of Posts and Telecomm.

State Laboratory of Networking and Switching

Dept.of Electronic Information EngineeringBeijing Electronic Science and Technology InstituteBeijing 100070China

Information Security CenterBeijing Univ.of Posts and Telecomm.Beijing 100876China

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