Electronic cash based on trusted computing platform

doi:10.7523/j.issn.2095-6134.2009.5.018

›› 2009, Vol. 26 ›› Issue (5): 712-719.DOI: 10.7523/j.issn.2095-6134.2009.5.018

• Research Articles • Previous Articles

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 Online:2009-09-15

Abstract

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

CLC Number:

TP309

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

References

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Electronic cash based on trusted computing platform

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