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Threshold proxy re-signature
  • 期刊名称：Journal of Systems Science and Complexity
  • 时间：0
  • 页码：1071-1075
  • 语言：英文
  • 分类：TP309.7[自动化与计算机技术—计算机系统结构;自动化与计算机技术—计算机科学与技术] TP393.08[自动化与计算机技术—计算机应用技术;自动化与计算机技术—计算机科学与技术]
  • 作者机构：[1]Department of Computer Science and Engineering, Shanghai Jiaotong University, Shanghai 200240, China.
  • 相关基金：This research is supported in part by the National Natural Science Foundation of China under Grant Nos 51033014, 60970110, 60972034, and the National 973 Program under Grant No. 2007CB311201.
  • 相关项目：身份基密钥交换协议的新研究
作者： Zhenfu Cao|Xiaolei Dong|Piyi Yang|
关键词： 门限代理签名, 签名方案, 安全模型, 不可抵赖性, 用户, 密钥, 信任, Proxy re-signature, robust, threshold, unforgeable.
中文摘要：

纸是设计探讨半的一个有效、安全的答案的这的焦点在代理重新签名计划信任了问题，即，代理从用户 A 知道重新签名钥匙到用户 B ，他因此能翻译用户 A 做到用户 B 的任何签名，它损坏代理重新签名计划的必要要求(非否认性质)。在这份报纸，作者首先为阀值代理重新签名计划定义安全模型，然后基于 Ateniese-Hohenbergers 和 Shao-Cao-Wang-Liangs 途径建议二个阀值代理重新签名计划。

英文摘要：

The focus of this paper is to design an efficient and secure solution addressing the semi trusted issue in proxy re-signature schemes, i.e., the proxy knows the re-signature key from user A to user B, so he is able to translate any signatures made by user A to user B, which damages the essential requirement （＂non-repudiation＂ property） of proxy re-signature schemes. In this paper, the authors first define the security model for threshold proxy re-signature scheme, and then propose two threshold proxy re-signature schemes based on Ateniese-Hohenberger＇s and Shao-Cao-Wang-Liang＇s approach.

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