Journal of University of Chinese Academy of Sciences >
Electronic cash based on trusted computing platform
Received date: 2008-12-10
Revised date: 2009-04-30
Online published: 2009-09-15
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
SHEN Li-Hong , XU Zhen . Electronic cash based on trusted computing platform[J]. Journal of University of Chinese Academy of Sciences, 2009 , 26(5) : 712 -719 . DOI: 10.7523/j.issn.2095-6134.2009.5.018
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