A Secure Fair Off-Line E-Cash Scheme

XU Zhao; YANG Yi-xian

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A Secure Fair Off-Line E-Cash Scheme

更新时间：2025-07-16

- A Secure Fair Off-Line E-Cash Scheme
- Acta Electronica Sinica Vol. 31, Issue 7, Pages: 1078-1079(2003)
- 作者机构：
  
  北京邮电大学信息安全中心,北京,100876
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN918
- Published：2003
- 稿件说明：
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XU Zhao, YANG Yi-xian. A Secure Fair Off-Line E-Cash Scheme[J]. Acta Electronica Sinica, 2003, 31(7): 1078-1079.
DOI：

XU Zhao, YANG Yi-xian. A Secure Fair Off-Line E-Cash Scheme[J]. Acta Electronica Sinica, 2003, 31(7): 1078-1079. DOI：

摘要

匿名的离线电子现金体制与实现中的现金一样

很好地保护了用户的稳私

但同时也使得司法部门难以追踪像勒索和洗钱这样的犯罪.公平的离线电子现金体制对其进行了扩展

它允许可信方在必要时可以揭开用户的身份或追踪取出的电子钱币.本文提出了一种电子钱币的不可伪造性和合法用户匿名性都可验证的公平离线电子现金体制.

Abstract

Anonymous off-line e-cash protects the customer's privacy as physical cash does.But it is impossible for a judge to investigate crimes such as blackmailing and money laundering.Fair off-line e-cash extends it by assigning trustees the abilities for identities revoking and coin tracing.A fair off-line e-cash scheme is proposed

in which both electronic coin's unforgeability and legitimate users' anonymity are provable.

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Revocable Anonymous Off-Line E-Cash Scheme Without TTP

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Related Author

LI Meng-dong

YANG Yi-xian

LIU Wen-yuan

ZHANG Jiang-xiao

HU Qing-hua

GU Xiu-zhi

LIU Xin

XU Qiu-liang

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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