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An Efficient Fair Electronic Cash System

Guo Tao(郭涛) Li Zhitang Tan Yunmeng Wu Shizhong

高技术通讯（英文版）2003，Vol.9Issue(3)：1-5,5.

An Efficient Fair Electronic Cash System

Guo Tao(郭涛) ¹Li Zhitang ¹Tan Yunmeng ²Wu Shizhong³

作者信息

1. Department of Computer Science & Technology, Huazhong University of Science and Technology, Wuhan 430074, P.R.China
2. Department of Communication Science & Technology, Huazhong University of Science and Technology,Wuhan 430074, P.R.China
3. China National Information Security Testing Evaluation & Certification Center, Beijing 100091,P.R.China
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摘要

Abstract

In this paper, an efficient fair e-cash system is presented. Based on the improved Brands' e-cash scheme, it is expanded by adding two roles, government and judges. The user can keep unconditionally anonymous in normal transactions. Authorized by the judges, the government can remove the identity of an illegal user with the help of the bank. So such misuse as blackmailing or money laundering can be prevented. Therefore, this scheme is more efficient, more suitable for adopting pre-processing and post-processing and more practical. In the paper, the details of the scheme are described, its security is proved, and its efficiency is analyzed.

关键词

e-cash/electronic payment/electronic commerce

Key words

e-cash/electronic payment/electronic commerce

分类

信息技术与安全科学

引用本文复制引用

Guo Tao(郭涛),Li Zhitang,Tan Yunmeng,Wu Shizhong..An Efficient Fair Electronic Cash System[J].高技术通讯（英文版）,2003,9(3):1-5,5.

基金项目

Supported by the National Natural Science Foundation of China （）

高技术通讯（英文版）

OAEI

ISSN：1006-6748

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