| 基于辫群的多级代理签名方案 |
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| 引用本文： | 任燕.基于辫群的多级代理签名方案[J].山西师范大学学报,2009,23(4):43-45. |
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| 作者姓名： | 任燕 |
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| 作者单位： | [1]运城学院应用数学系,山西运城044000 [2]陕西师范大学数学与信息科学学院,陕西西安710062 |
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| 基金项目： | 山西省重点扶持学科项目资助 |
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| 摘 要： | 辫群是可以用有限个生成元表示的有限非交换群,近年来它被认为是公钥加密的一种重要来源.本文基于辫群中的难解问题构造了一个多级代理签名方案.新方案具有不可伪造性,不可抵赖性.
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| 关 键 词： | 代理签名 多级代理签名 非交换群 辫群 |
Multiple Grade Proxy Signature Scheme on Braid Group |
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| REN Yan.Multiple Grade Proxy Signature Scheme on Braid Group[J].Journal of Shanxi Teachers University,2009,23(4):43-45. |
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| Authors: | REN Yan |
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| Institution: | REN Yan( 1. Department of Applied Mathematics, Yuncheng University, Yuncheng 044000, Shanxi, China ; 2. College of Mathematics ＆ Information Science, Shaanxi Normal University, Xi ＇an 710062, Shaanxi , China) |
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| Abstract: | Braid groups are infinte non-commutative groups, and have been used recently as a new soure for public-key cryptography. In this paper, we propose a multiple grade proxy signature scheme based on the conjugacy problem, which is belived to be hard in braid groups. At same time, the new scheme also has the properties of not being faked up and undeniability. |
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| Keywords: | proxy signature mulitiple grade proxy signature non-commutative groups braid group |
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