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抗合谋攻击的门限混合代理多重签名方案

徐太平 陈勇

计算机工程与应用Issue(14):73-76,97,5.
计算机工程与应用Issue(14):73-76,97,5.DOI:10.3778/j.issn.1002-8331.1210-0287

抗合谋攻击的门限混合代理多重签名方案

Threshold hybrid proxy multi-signature scheme against conspiracy attack.

徐太平 1陈勇1

作者信息

  • 1. 重庆师范大学 计算机与信息科学学院,重庆 401331
  • 折叠

摘要

Abstract

For the weaknesses of previous threshold signature in against conspiracy attack, combining with the discrete loga-rithm method, this paper proposes a threshold hybrid proxy multi-signature scheme against conspiracy attack. The scheme, through introducing key parameter ki , camouflages actual signer’s private key and traces signature memberships, thus effectively against conspiracy attack. Theoretical analysis results show that the scheme not only satisfies strong unforgeability and strong undeniability, but also can effectively against conspiracy attack.

关键词

离散对数/门限签名/混合代理多重签名/合谋攻击

Key words

discrete logarithm/threshold signature/hybrid proxy multi-signature/conspiracy attack

分类

信息技术与安全科学

引用本文复制引用

徐太平,陈勇..抗合谋攻击的门限混合代理多重签名方案[J].计算机工程与应用,2013,(14):73-76,97,5.

基金项目

国家自然科学基金(No.60703035)。 ()

计算机工程与应用

OACSCDCSTPCD

1002-8331

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