| 基于签密的认证邮件协议 |
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| 引用本文： | 张青,张龙,温巧燕,陈更力. 基于签密的认证邮件协议[J]. 电子科技大学学报(社会科学版), 2008, 0(2) |
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| 作者姓名： | 张青 张龙 温巧燕 陈更力 |
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| 作者单位： | 北京邮电大学理学院;武汉大学计算机学院;北京海淀区; |
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| 基金项目： | 国家自然科学基金(60373059); 教育部博士点基金(20040013007); 国家自然科学基金重大研究计划(90604023) |
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| 摘 要： | 认证邮件协议的目的是实现邮件m与收到该邮件的收据之间的公平交换,认证邮件协议满足的最重要的性质是公平性。基于修改过的W-B签密方案,该文设计出一种带有离线的、透明可信的第三方认证邮件协议。与同类协议相比,在通信量相同的情况下,该协议具有更小的计算量和更高的执行效率。
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| 关 键 词： | 认证邮件协议 电子商务 公平交换协议 W-B签密方案 |
A New Certified E-Mail Protocol Based on Signcrytion |
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| ZHANG Qing,ZHANG Long,WEN Qiao-yan,, CHEN Geng-li. A New Certified E-Mail Protocol Based on Signcrytion[J]. Journal of University of Electronic Science and Technology of China(Social Sciences Edition), 2008, 0(2) |
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| Authors: | ZHANG Qing ZHANG Long WEN Qiao-yan CHEN Geng-li |
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| Affiliation: | ZHANG Qing1,ZHANG Long1,WEN Qiao-yan1,, CHEN Geng-li2 (1. School of Science,Beijing University of Posts , Telecommunications Haiding Beijing 100876,2. School of Computer Science,Wuhan University Wuhan 430079) |
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| Abstract: | A certified e-mail protocol is about fair exchange of a message m for its receipt. Fairness is the most important property in exchange. We modify existing W-B signcryption scheme so that it can be used by certified e-mail protocols,and based on the modified scheme we propose a new certified e-mail protocol. The protocol makes use of an off-line and transparent trusted third party only in exceptional circumstances,and has lower computation overhead and better efficiency comparing related protocol. |
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| Keywords: | certified mail protocols electronic commerce fair exchange protocols W-B signcryption scheme |
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