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计算机系统应用英文版:2011,20(4):55-58

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新的基于身份的(t,n)门限签密方案

朱春意¹, 陈勤¹, 徐坤²

(1.杭州电子科技大学计算机学院，杭州 310017;2.宁波市公安局网络警察支队，宁波 315040)

New ID-Based (t,n) Threshold Signcryption Scheme

ZHU Chun-Yi¹, CHEN Qin¹, XU Kun²

(1.College of Computer, Hangzhou Dianzi University, Hangzhou 310017, China;2.Cyber Cop Datachment Police of Ningbo, Ningbo 315040, China)

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本文已被：浏览 1953次下载 3099次
Received:August 10, 2010 Revised:September 11, 2010

中文摘要: 针对现有的门限签密方案效率低不太实用的不足，以及基于身份的签密系统密钥托管问题，利用双线性对提出了一个新的基于身份的(t,n)门限签密方案。通过引入签密者秘密信息，实现了密钥生成中心的不可诬陷性。与典型的基于身份的门限签密方案相比，效率更高，实用性更强。

中文关键词: 基于身份密钥托管门限签密双线性对

Abstract:Against the shortage of low efficiency of the existing threshold signcryption scheme and the key escrow in the id-based cryptosystem, a new identity-based (t, n) threshold signature encryption scheme is proposed from bilinear pairings. Our scheme can resist the private key generator to entrap through the introduction of secret information of the signcryptioner. Our scheme is more efficient and practical than the existing scheme.

keywords: ID-based key escrow threshold signcryption bilinear pairings

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Author Name	Affiliation
ZHU Chun-Yi	College of Computer, Hangzhou Dianzi University, Hangzhou 310017, China
CHEN Qin	College of Computer, Hangzhou Dianzi University, Hangzhou 310017, China
XU Kun	Cyber Cop Datachment Police of Ningbo, Ningbo 315040, China

Author Name	Affiliation
ZHU Chun-Yi	College of Computer, Hangzhou Dianzi University, Hangzhou 310017, China
CHEN Qin	College of Computer, Hangzhou Dianzi University, Hangzhou 310017, China
XU Kun	Cyber Cop Datachment Police of Ningbo, Ningbo 315040, China

引用文本：
朱春意,陈勤,徐坤.新的基于身份的(t,n)门限签密方案.计算机系统应用,2011,20(4):55-58
ZHU Chun-Yi,CHEN Qin,XU Kun.New ID-Based (t,n) Threshold Signcryption Scheme.COMPUTER SYSTEMS APPLICATIONS,2011,20(4):55-58