A New Secure Authenticated Group Key Transfer Protocol

被引：0
|
作者：
Chingfang Hsu
Bing Zeng
Guohua Cui
Liang Chen
机构：
[1] Central China Normal University,Computer School
[2] South China University of Technology,School of Software Engineering
[3] Huazhong University of Science and Technology,School of Computer Science and Technology
[4] National Computer Network Emergency Response Technical Team/Coordination Center of China,undefined
来源：
Wireless Personal Communications | 2014年 / 74卷
关键词：
Group key transfer protocol; Linear secret sharing schemes; Monotone span programs; Confidentiality; Authentication;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Group key transfer protocols depend on a mutually trusted key generation center (KGC) to generate group keys and transport group keys to all group members secretly. Generally, KGC encrypts group keys under another secret key shared with each user during registration. In this paper, we propose a novel secure authenticated group key transfer protocol using a linear secret sharing scheme (LSSS) and ElGamal cryptosystem, where KGC broadcasts group key information to all group members. The confidentiality of this transformation is guaranteed by this LSSS and ElGamal cryptosystem. We also provide authentication for transporting this group key. Goals and security threats of our protocol are analyzed in detail.
引用
收藏
页码：457 / 467
页数：10
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