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arXiv 1306.1436cs.CR
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一种有效的组通信组认证方法

An efficient group authentication for group communications

Lein Harn, Changlu Lin

摘要:

组通信意味着多对多通信,并且它超越了一对一通信(即,单播)和一对多通信(即,多播)。与大多数用户身份验证协议不同,每次都对单个用户进行身份验证,我们提出了一种新的身份验证类型,称为组身份验证,可以一次对组中的所有用户进行身份验证。组认证协议是专门为支持组通信而设计的。有一个组经理负责管理组通信。在注册期间,组的每个用户从组管理器获得唯一令牌。用户出示他们的令牌,以确定他们是否都属于同一个组。组身份验证协议允许用户重用他们的令牌,而不会损害令牌的安全性。此外,组认证可以保护每个用户的身份。

英文摘要:

Group communication implies a many-to-many communication and it goes beyond both one-to-one communication (i.e., unicast) and one-to-many communication (i.e., multicast). Unlike most user authentication protocols that authenticate a single user each time, we propose a new type of authentication, called group authentication, that authenticates all users in a group at once. The group authentication protocol is specially designed to support group communications. There is a group manager who is responsible to manage the group communication. During registration, each user of a group obtains an unique token from the group manager. Users present their tokens to determine whether they all belong to the same group or not. The group authentication protocol allows users to reuse their tokens without compromising the security of tokens. In addition, the group authentication can protect the identity of each user.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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