Dissertation > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer software > Program design,software engineering > Software Engineering > Software Development

Study and Design on Fair Electronic Payment Schemes

Author LiHuaPing
Tutor KouWeiDong
School Xi'an University of Electronic Science and Technology
Course Communication and Information System
Keywords Fairness Electronic cash Electronic payment Trusted third party
CLC TP311.52
Type Master's thesis
Year 2006
Downloads 221
Quotes 3
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This paper studies the fairness of the electronic cash and electronic payment protocol fairness . Completely anonymous electronic cash can easily be copied and reused , so fair electronic cash is required at the necessary time to be able to revoke the anonymity . Protection for to prevent electronic cash reuse paper designs a secure off-line electronic cash , using the symmetric encryption algorithm to the user's identity information embedded in them , to efficiently track the identity of users or businesses repeated use of electronic cash ; the anonymity of legitimate users . Paper the second half of first describes the protocol of secure electronic payment , electronic check agreement and fair payment protocol requires a trusted third party , and explains the practical problems facing application without trust environment . Then introduced the signature without third-party fair exchange protocol , concurrent signature protocol . Finally , based on simultaneously with the entry into force of the signature technology ; respectively , each designed for digital goods and physical goods , a trusted third party fair electronic payment protocol , and demonstrate its fairness and security .

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