| 具有分布式半可信第三方的公平交换协议 |
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| 引用本文： | 张福泰.具有分布式半可信第三方的公平交换协议[J].计算机工程,2006,32(3):14-16. |
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| 作者姓名： | 张福泰 |
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| 作者单位： | 南京师范大学数学与计算机科学学院,南京,210097 |
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| 基金项目： | 国家"211"工程建设项目;江苏省高校自然科学基金;教育部重点实验室基金 |
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| 摘 要： | 运用可验证秘密分享和可验证加密技术设计了一个安全的双方公平交换协议。该协议引入了分布式的半可信第三方，与已有的具有单一半可信第三方的公平交换协议相比，分布式半可信笫三方的存在使新协议的安全性和公平性得到了更好的保证。
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| 关 键 词： | 可验证秘密分享 可验证加密 公平交换 半可信第三方 |
| 文章编号： | 1000-3428（2006）03-0014-03 |
| 收稿时间： | 2005-01-24 |
| 修稿时间： | 2005-01-24 |
Fair Exchange Protocol with Distributed Semi-trusted Third Party |
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| ZHANG Futai.Fair Exchange Protocol with Distributed Semi-trusted Third Party[J].Computer Engineering,2006,32(3):14-16. |
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| Authors: | ZHANG Futai |
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| Affiliation: | College of Mathematics and Computer Science, Nanjing Normal University, Nanjing 210097 |
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| Abstract: | The techniques of verifiable secret sharing and verifiable encryption are used in the construction of two party fair exchange protocols, The novelty of the construction lies in the introduction of the distributed semi-trusted third party. Compared to the previous fair exchange protocols with a single semi-trusted third party, the newly constructed fair exchange protocol can further guarantee the security and fairness of the transaction due to the existence of the distributed semi-trusted third party. |
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| Keywords: | Verifiable secret sharing Verifiable encryption Fair exchange Semi-trusted third party |
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