Threshold proxy signcryption scheme with shared verification

Computer Engineering and Applications ›› 2008, Vol. 44 ›› Issue (5): 131-133.

• 网络、通信与安全 • Previous Articles Next Articles

Threshold proxy signcryption scheme with shared verification

WANG Yong-bing¹,LU Zheng-guo³,ZHANG Jian-zhong²

1.Dept. of Math. & Inf. Science，College for Nationalities Attached to Hebei Normal University，Shijiazhuang 050091，China
2.College of Mathematics and Information Science，Shaanxi Normal University，Xi’an 710062，China
3.Preparatory Department，College for Nationalities Attached to Hebei Normal University，Shijiazhuang 050091，China

Received:2007-04-09 Revised:2007-11-05 Online:2008-02-11 Published:2008-02-11
Contact: WANG Yong-bing

共享验证的门限代理签密方案

王勇兵¹,路正国³,张建中²

1.河北师范大学附属民族学院数学与信息科学系，石家庄 050091
2.陕西师范大学数学与信息科学学院，西安 710062
3.河北师范大学附属民族学院预科部，石家庄 050091

通讯作者: 王勇兵

Abstract

Abstract: The concepts of shared verification and signcryption are introduced into threshold proxy signature，and a secure and efficient threshold proxy signcryption scheme with shared verification is presented.In the scheme，any t or more proxy signers can sign a message on behalf of an original signer，and only t or more verifiers of the specified group together can recover the message and verify the validity of proxy signcryption.Furthermore，the scheme also has the merits of secrecy，public verifiability and pubic delegation.

Key words: digital signature, threshold proxy signcryption, shared verification

摘要： 将共享验证和签密的概念引入到门限代理签名中，构造了一个安全有效的共享验证的门限代理签密方案。该方案不仅实现了门限代理签密，而且还实现了指定验证组中的不少于t个验证人一起才能恢复消息，验证签密的特性。另外，该方案还具有消息保密性、可公开验证性和公开信道授权的优点。

关键词: 数字签名, 门限代理签密, 共享验证

WANG Yong-bing¹,LU Zheng-guo³,ZHANG Jian-zhong². Threshold proxy signcryption scheme with shared verification[J]. Computer Engineering and Applications, 2008, 44(5): 131-133.

王勇兵¹,路正国³,张建中². 共享验证的门限代理签密方案[J]. 计算机工程与应用, 2008, 44(5): 131-133.

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Threshold proxy signcryption scheme with shared verification

共享验证的门限代理签密方案

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