Electronic micro-payment method possessing fairness

An electronic and electronic currency technology, applied in the field of information security in e-commerce, can solve the problems of inability to guarantee payment fairness, affect the convenience and flexibility of electronic transactions, and achieve the effect of ensuring efficiency and security.

Inactive Publication Date: 2008-04-30
BEIJING UNIV OF POSTS & TELECOMM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, there are new flaws in the split PayWod chain scheme: customers can only consume one electronic currency per transaction, otherwise the fairness of payment cannot be guaranteed
Moreover, this defect has greatly affected the convenience and flexibility of customers' online micropayment electronic transactions; because the ele

Method used

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  • Electronic micro-payment method possessing fairness
  • Electronic micro-payment method possessing fairness

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[0033] In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0034] The present invention is a fair electronic micropayment method: for each merchant, the customer first uses a strong anti-collision one-way hash function and two random numbers of different values ​​to construct two identical lengths, corresponding and bound to each other. The master and slave hash chains form an electronic currency chain. Each pair of master and slave hash values ​​in the electronic currency chain is used as an electronic currency, that is, each electronic currency is composed of two corresponding master and semi hash values. It is composed of half hash value; the electronic currency must be registered in the settlement center and can be used after the merchant has registered; in the transaction process, the customer first pays the half ha...

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Abstract

An electric micro paying method having fairness includes building a host hashing chain and a slave hashing chain having the same length can corresponding to and bound with each other by a user aiming at each shopper by using a strongly anti-impact one-way hashing function and two different random numbers, thereby forming an electric coin chain in which a pair of correspondent host and slave hashing values is used as one electric coin; and in trade, paying the salve half hashing value of the electric coin from a user to a shopper to order goods selected by the user, and paying the host half hashing value of the electric coin from the user to the shopper after the goods is received by the user. Paying amount between an accounting center and the user for the goods adopts the slave half hashing value of the electric coin received by the shopper, and paying amount between the accounting center and the shopper for the goods adopts the host half hashing value of the electric coin received by the shopper. The method can ensure fairness of payment and can pay different cost for goods and services based on sales prices, i.e. the invention has no limit on electric coins number in one trade of a user.

Description

technical field [0001] The invention relates to a method for realizing micropayment in e-commerce transactions, to be precise, relates to a fair electronic micropayment method, and belongs to the technical field of information security in e-commerce. Background technique [0002] With the development of online e-commerce transactions, electronic payment has become a very important technical link. Among the many types of electronic transactions on the Internet, one type of transaction is characterized by: the amount of each transaction is very small, but the number of transactions is large and the frequency is high. Such as browsing a section of paid news online, downloading a song, and so on. Such online electronic transactions are usually referred to as micro-payment electronic transactions. For micropayment electronic transactions, it will be very inconvenient if bank cards are used to pay related fees. For this reason, people have designed many ways of electronic micro...

Claims

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Application Information

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IPC IPC(8): G06Q20/00
Inventor 廖建新王晶王纯李炜樊利民朱晓民张磊程莉
Owner BEIJING UNIV OF POSTS & TELECOMM
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