Secure distributed signcryption scheme based on vector space

LIU Jia; ZHUANG Yi; WANG Jian-dong

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Secure distributed signcryption scheme based on vector space

更新时间：2024-10-14

- Secure distributed signcryption scheme based on vector space
- Vol. 30, Issue 9, Pages: 83-88(2009)
- 作者机构：
  
  南京航空航天大学信息科学与技术学院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN918.1
- Published：2009
- 稿件说明：
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LIU Jia, ZHUANG Yi, WANG Jian-dong. Secure distributed signcryption scheme based on vector space[J]. 2009, 30(9): 83-88.
DOI：

LIU Jia, ZHUANG Yi, WANG Jian-dong. Secure distributed signcryption scheme based on vector space[J]. 2009, 30(9): 83-88. DOI：

摘要

在理想矢量空间秘密共享方案的基础上

在不影响其安全强度的前提下

对Zheng[1]的签密方案进行了必要修改

构造了一种不需要可信密钥分配中心的分布式签密协议。它能够同时实现门限加密和门限签名

实现代价近似于门限签名

并且基于离散对数难解问题进行了验证构造

使得在密钥生成、分布式签密和分布式解签密中都可对参与者进行合法性验证

从而有效防止了内部欺骗。

Abstract

A kind of new distributed signcryption protocol was proposed based on the ideal vector space secret sharing scheme and the modified signcryption scheme of Zheng1.Without the involvement of a trusted key distribution center

this protocol could gain its ends of both threshold signature and threshold encryption simultaneously

however

its cost was equal to threshold signature only.Furthermore

based on the discrete logarithm

properties were verified and structured

the legitimacy of the participators could be confirmed during the processes of the keys generation

distributed signcryption and distributed unsigncryption

which prevented the participators cheating.

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Related Institution

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