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Research on Security and Atomicity in Micropayment: Model and Protocol

Author: HuangLi
Tutor: ChengXiaoPing
School: Southwest China Normal
Course: Computer Applications
Keywords: E-commerce Electronic payment Electronic cash Key cryptography Public key encryption method One - way hash function Digital Signature Micro - payment system MilliCent Offline checksum Dual Signature Token Authenticate Trust mode Atomicity Fairness Representations Economic benefits of the feasibility
CLC: TP399
Type: Master's thesis
Year: 2003
Downloads: 91
Quote: 0
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Abstract


With the rapid development of technology and the popularity of the Internet, e-commerce is in its own efficient, low-cost advantage, and has gradually become a new business model, involved in areas ranging from banking, foreign trade, the stock market to close everyone's day-to-day shopping. Since e-commerce is its convenience and openness, as well as continuous substantial growth in the number of Internet users, especially in the twenty-first century of the increasingly interconnected global economy, e-commerce has very broad prospects for development. However, new areas of e-commerce is also an opportunity and challenges of this challenge is largely derived from the trust on security technology. Processing transactions on the open network, how to ensure the security of data transmission as well as the maintenance of fair rules of both e-commerce whether the popularity of one of the most important factor. Expand this study is based on the background. Purchase orders three billing methods: credit cards, electronic checks and electronic money. Corresponds to a different way of settlement, there pay agreement can be divided into three categories: a card-based payment protocol, check-based payment protocol, based on electronic money payment agreement. Subject to the certification of the card issuers, card-based payment protocol using a credit card to pay the effectiveness of the infrastructure, the card can not provide the anonymity of the transaction. Check-based payment agreements similar to the certification subject to the issue of bank card payments, checks the validity of the use of electronic checks as payment instruments, payment mechanisms. Electronic money can be independent of the issuing bank and a symbol of self-certified. Anonymous transactions based on electronic money payment agreement can be achieved through blind signature mechanism. Micro-payment system for Ienternet there in the three protocols, especially pay for usually insignificant information products, the use of electronic currency micro-payment protocol has the advantage on the transaction costs. In this paper, we first given the significance of micro-payment research status and papers, as well as related support the theory. Followed by analysis of the main micro-payment agreement and its characteristics, Millicent micro-payment system which has conducted in-depth analysis. Millicent micro-payment system can be offline transactions, validated and efficient advantages, but there are also trading agreements on the integrity and fairness shortcomings. In light of this, a fair trade and transaction atomicity Millicent 'J' the amount of the payment system model. Then improved model with original Millicent model to do a simple comparison and analysis to illustrate the effectiveness of the improved system characteristics and other payment models were compared. Finally, work Summary and Future Prospects.

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer applications > In other aspects of the application
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