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一种新的公平交换协议 被引量:4

A New Fair-Exchange Protocol
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摘要 基于一种可转换的认证加密方法,设计出了一种新的包含半可信第三方的公平交换协议,并对其安全性质和特点进行了分析.分析表明,相对于现有的优化公平交换协议,新的协议结构简单,通信量较低,同时具有保密性、公平性、不可否认性和时限性. A new fair exchange protocol with semi - trusted third party is proposed based on a new convertible authenticated encryption scheme. Both security properties and specialties of this protocol are analyzed. The analysis results show that the new protocol has a simpler structure and a lower communication overhead comparing to previous optimistic fair exchange protocols, and the properties of privacy, faireness, non-repudiation and timeliness are satisfied at the same time.
作者 张青 温巧燕
出处 《北京邮电大学学报》 EI CAS CSCD 北大核心 2006年第5期63-65,共3页 Journal of Beijing University of Posts and Telecommunications
基金 国家自然科学基金项目(60373059) 教育部博士点基金项目(20040013007)
关键词 公平交换 半可信第三方 可转换的认证加密 fair-exchange semi-trusted third party convertible authenticated encryption
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参考文献7

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共引文献28

同被引文献40

  • 1熊焰,张伟超,苗付友,王行甫.一种基于计算能力的无需可信第三方公平非抵赖信息交换协议[J].电子学报,2006,34(3):563-566. 被引量:4
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