基于可信计算平台的电子现金技术

doi:10.7523/j.issn.2095-6134.2009.5.018

中国科学院大学学报 ›› 2009, Vol. 26 ›› Issue (5): 712-719.DOI: 10.7523/j.issn.2095-6134.2009.5.018

• 论文 • 上一篇

基于可信计算平台的电子现金技术

沈丽红¹, 徐震^2,3

1. 中国科学院研究生院,北京 100080;
2. 信息安全共性技术国家工程研究中心,北京 100080;
3. 中国科学院软件研究所信息安全国家重点实验室,北京 100190

收稿日期:2008-12-10 修回日期:2009-04-30 发布日期:2009-09-15
通讯作者: 徐震
基金资助:
国家863基金(2007AA0Z412)和国家自然科学基金(60603017)资助 

Electronic cash based on trusted computing platform

SHEN Li-Hong¹, XU Zhen^2,3

1. The Graduate University of the Chinese Academy of Sciences,Beijing 100049, China;
2. National Engineering Research Center of Information Security, Beijing 100080, China;
3. State Key Laboratory of Information Security,Chinese Academy of Sciences,Beijing 100080,China

Received:2008-12-10 Revised:2009-04-30 Published:2009-09-15

摘要/Abstract

摘要：

基于可信计算平台提出了一种新的离线电子现金方案,该方案将电子现金、用户身份、平台身份三者有机绑定在一起,利用可信计算平台的认证技术和存储保护功能,极大地增强了电子现金的安全性,同时还具有支付起源非否认、电子现金有限流通期限等特点.该方案对于电子现金的备份,电子现金的盗用和丢失,都提供了良好的保护,并对所提出的电子现金协议进行了详细的安全性分析.

关键词: 电子现金, 可信计算平台, TPM, 盲签名

Abstract:

In this paper, a new off-line electronic cash scheme based on trusted computing platform is proposed. In our scheme, electronic cash, user identity,and platform identity are efficiently bound together. With the attestation technology and storage protection on trusted computing platform, the security of electronic cash is enhanced significantly. In addition it also has properties such as payment source nonrepudiation, finite circulation period, etc. The backup of electronic cash, missing and stealing of electronic cash, those are all well protected in our scheme. The detailed security analysis is given in the final part of this paper.

Key words: electronic cash, trusted computing platform, TPM, blind signatures

中图分类号:

TP309

沈丽红, 徐震. 基于可信计算平台的电子现金技术[J]. 中国科学院大学学报, 2009, 26(5): 712-719.

SHEN Li-Hong, XU Zhen. Electronic cash based on trusted computing platform[J]. , 2009, 26(5): 712-719.

参考文献

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[11] TPM Main Part 1, Design Principles Specification, Version 1.2 Revision 62 . (2003-10-02) . https://www.trustedcomputinggroup.org/home.

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[16] Okamoto T. Provably secure and practical identification schemes and corresponding signature schemes //Proceedings of Crypto'92, LNCS 740.Springer-Verlag,1993:31-53.

基于可信计算平台的电子现金技术

Electronic cash based on trusted computing platform

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