为了认证ad hoc 组和单个节点的身份需要采用组中节点协作的方式进行组签名。本文利用Schnorr 签名并结合二叉树前向安全的概念，提出一种新的适合移动ad hoc 组的签

名方案。这种树型的组签名方案提高了无线通信中的容错性和安全性。

【关键字】ad hoc ,Schnorr，组签名，前向安全，二叉树,

【Abstract】In order to make sure the group and single node identity of ad hoc, the group node ooperation is adopted to product signature. Schnorr signature scheme based, in this article, we resent a group signature scheme combined with binary tree and forward secure for mobile ad hoc roup. From the article we can find that this scheme can enhance fault-tolerant and security reatly.

【Keyword】ad hoc, Schnorr, group signature, forward secure, access control, binary tree

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基于树的Ad Hoc中组签名方案 孙平，刘同佩 上海大学通信与信息工程学院，上海 200072 摘要为了认证ad hoc组和单个节点的身份需要采用组中节点协作的方式进行组签名本文利用Schnorr签 名并结合二叉树前向安全的概念，提出一种新的适合移动ad hoc组的签名方案这种树型的组签名方案提高了无线通信中的容错性和安全性 关键字ad hoc Schnorr，组签名，前向安全，二叉树 中图分类号：TP309 文献标识码：A Group Authentication and Access Control Scheme for Ad Hoc based on Tree SUN ping ，LIU tongpei Communication and Information Engineering School Shanghai University Shanghai 200072 AbstractIn order to make sure the group and......