| 一种基于同时生效签名的公平交易协议 |
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| 引用本文： | 肖海燕,张敏情,杨晓元,周宣武. 一种基于同时生效签名的公平交易协议[J]. 计算机工程与应用, 2009, 45(23): 206-207. DOI: 10.3778/j.issn.1002-8331.2009.23.058 |
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| 作者姓名： | 肖海燕 张敏情 杨晓元 周宣武 |
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| 作者单位： | 武警工程学院电子技术系网络与信息安全武警部队重点实验室,西安,710086;武警工程学院电子技术系网络与信息安全武警部队重点实验室,西安,710086;西安电子科技大学网络信息安全教育部重点实验室,西安,710071 |
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| 摘 要： | 针对许多协议在网络环境下的数字产品交易中不能够同时实现信息交换及支付的公平性，提出一种新的公平交易协议，即借助STTP（半可信第三方）公平交换顾客与商家的交易信息，并在同时生效的签名基础之上实现支付的公平性。协议保证了交易过程的公平性与不可抵赖性，适用于网络环境下的数字产品交易。
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| 关 键 词： | 电子商务 公平交易 半可信第三方 同时生效签名 |
| 收稿时间： | 2008-10-10 |
| 修稿时间： | 2008-12-22 |
Fair exchange protocol based on concurrent signature |
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| XIAO Hai-yan,ZHANG Min-qing,YANG Xiao-yuan,ZHOU Xuan-wu. Fair exchange protocol based on concurrent signature[J]. Computer Engineering and Applications, 2009, 45(23): 206-207. DOI: 10.3778/j.issn.1002-8331.2009.23.058 |
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| Authors: | XIAO Hai-yan ZHANG Min-qing YANG Xiao-yuan ZHOU Xuan-wu |
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| Affiliation: | 1.Key Laboratory of Network & Information Security of APF，Engineering College of APF，Xi’an 710086，China 2.Key Laboratory of Network & Information Security of the Ministry of Education，Xidian University，Xi’an 710071，China |
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| Abstract: | Several protocols for fair exchange have been proposed in recent years，but some of them can’t achieve the fairness in payment.The new protocol proposed in this paper exchanges information of customers and merchants fairly in virtue of semi-trusted third party，and realizes fair payment based on a concurrent signature scheme.This protocol guarantees the fairness and non-repudiation of the whole transaction.And it can be applied to the trade of digital products in network environment. |
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| Keywords: | electronic commerce fair exchange semi-trusted third party concurrent signature
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