验证组通信的密钥管理和分发

S. Shantharajah, K. Duraiswamy, G. M. Kadhar Nawaz
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引用次数: 9

摘要

在网络通信中,安全是防止入侵者攻击的关键;其中身份验证起着至关重要的作用,以确保通信的正确参与者。为了验证一组用户并保证用户之间的机密性,本文提出了一种新的密钥管理方法。该密钥管理表示是用于加密过程的组密钥,它提供了安全性和较少的计算复杂度,从而实现快速简便的身份验证。本文设计了一种基于树的密钥管理方案,通过该方案,用户之间的密钥分发涉及到身份验证,且存储复杂度较低。本文描述了动态成员身份认证,该认证使用当前参与交易或通信的一组成员组成的新的不同即时密钥来声明用户与所需服务器之间的通信或事务。可以将用户从组中释放或加入到组中,以便在当前用户参与通信的情况发生变化时立即更改密钥。在每个用户的隐藏密钥的帮助下,可以计算出一个“即时密钥”。由于使用整个用户的隐藏密钥来获取即时密钥,因此可以保证有效用户之间通信时的身份验证。因此,由于密钥经常变化,入侵者无法中断用户之间的任何通信。因此,它支持清晰的身份验证,并提供组间通信的安全性
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Key Management and Distribution for Authenticating Group Communication
In network communication, security is essential to prevent intruder's attack; Where Authentication plays a vital role so as to ensure the right participant in communication. To authenticate a group of users and to hold confidentiality between them a new approach of key management is handled in this paper. This key management presentation is a group key used for cryptography process that provides security with less computation complexity, which leads to fast and easy authentication. Here, a tree based key management scheme has been designed through which the key distribution among the users involves authentication with less storage complexity too. This paper describes the dynamic membership authentication, which states the communication or transaction between user and required server with a new different instant key that is formed from a group of members who are currently participating in transaction or communication. Releasing or joining a user from the group or to the group is possible so that the key gets changed instantly whenever there is an alteration in current participation of users in communication. With the help of each user's hidden key an `instant key' can be computed. As the entire user's hidden keys are used for obtaining an instant key, it can ensure the authentication among the valid users during communication. So an intruder cannot interrupt any communication between users as the key gets varied often. Thus it supports clear authentication and provides security among group communication
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