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An Efficient Group Key Agreement Protocol Based on GH-Key Exchange Scheme
Mingxing He,Fan Pingzhi #
Southwest Jiaotong University, Chengdu, 610031, P.R.China
*Correspondence author
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Funding: 教育部博士点基金（No.20020613020）
Opened online:26 October 2003
Accepted by: none
Citation: Mingxing He,Fan Pingzhi .An Efficient Group Key Agreement Protocol Based on GH-Key Exchange Scheme[OL]. [26 October 2003] http://en.paper.edu.cn/en_releasepaper/content/34
 
 
In this paper, an efficient group key agreement protocol is proposed based mainly on the 2-party GH key exchange scheme and the intractability of discrete logarithm of finite field GF(pr). . By investigating its implementation complexity, dynamic property and authentication algorithm, it is shown that, compared with the existing DH-based protocols, the new protocol is computationally more efficient and can resist timing attacks The proposed protocol can be used to establish contributory group key for dynamical group communications such as ad-hoc networks.
Keywords:group key agreement;linear feedback shift register sequence;cryptography;ad-hoc networks;communication security;cooperative computing
 
 
 

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