Wuhan University Journal of Natural Sciences

, Volume 10, Issue 1, pp 107–110 | Cite as

A new (t, n) threshold signature scheme withstanding the conspiracy attack

Security of Network and Communication
Received:

Abstract

A conspiracy attack is proposed to show that Wang-Li's scheme is insecure, because anyt or more group members can impersonate othert members to sign any message without holding the responsibility. To avoid the conspiracy attack, this paper presents a new (t, n) threshold signature scheme with traceable signers.

Key words

cryptography threshold signature conspiracy attack identifier tracing 

CLC number

TP 309 
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Copyright information

© Springer 2005

Authors and Affiliations

  1. 1.Department of MathematicsZhejiang UniversityHangzhouChina
  2. 2.School of Information and EnginceringHungzhou Teachers CollegeHangzhouChina
  3. 3.Hangzhou Teachers CollegeHangzhouChina

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