| 一种秘密共享新个体加入协议 |
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| 引用本文： | 董攀,况晓辉,卢锡城.一种秘密共享新个体加入协议[J].软件学报,2005,16(1):116-120. |
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| 作者姓名： | 董攀 况晓辉 卢锡城 |
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| 作者单位： | 国防科学技术大学,计算机学院,湖南,长沙,410073 |
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| 基金项目： | Supported by the National Natural Science Foundation of China under Grant No.69933030 (国家自然科学基金) |
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| 摘 要： | 针对秘密共享方案提出了一种为新个体分配秘密份额的算法.该算法具有无需信任中心、无需改动原有秘密份额、仅需t个成员合作(t为门限)、6t次广播等优点.最后还证明了该算法具有高安全性,并且在可靠性和密钥管理方面优于Shuffling方案和Wong TM等人的算法.
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| 关 键 词： | 秘密共享 新个体 信任中心 |
| 收稿时间： | 7/9/2003 12:00:00 AM |
| 修稿时间： | 2003/11/10 0:00:00 |
A Non-Interactive Protocol for Member Expansion in a Secret Sharing Scheme |
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| DONG Pan,KUANG Xiao-Hui and LU Xi-Cheng.A Non-Interactive Protocol for Member Expansion in a Secret Sharing Scheme[J].Journal of Software,2005,16(1):116-120. |
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| Authors: | DONG Pan KUANG Xiao-Hui and LU Xi-Cheng |
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| Abstract: | This paper presents a new secret redistribution protocol for threshold sharing schemes that create n shares of the secret for n shareholders. Without having a trusted center, the protocol only requires t (t is the threshold) participants' cooperation and 6t times broadcasting to generate and to distribute the new share. At the end, it is demonstrated that the algorithm has a higher security and is better than the Shuffling scheme and Wong's protocol on reliability and secret management. |
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| Keywords: | secret sharing new member trusted center |
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