[1]刘淑影,许勇,杨帆. 基于成员行为的超球形批量密钥更新方法[J].计算机技术与发展,2015,25(03):131-135.
　LIU Shu-ying,XU Yong,YANG Fan. Hypterball Batch Key Updating Method Based on Members’ Behavior[J].,2015,25(03):131-135.
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 基于成员行为的超球形批量密钥更新方法()
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《计算机技术与发展》[ISSN:1006-6977/CN:61-1281/TN]

卷:
25
期数:
2015年03期
页码:
131-135
栏目:
安全与防范
出版日期:
2015-03-10

文章信息/Info

Title:
 Hypterball Batch Key Updating Method Based on Members’ Behavior
文章编号:
1673-629X（2015)03-0131-05
作者:
 刘淑影; 许勇; 杨帆
 安徽师范大学 数学计算机学院 计算机系
Author(s):
 LIU Shu-ying; XU Yong; YANG Fan
关键词:
 ; 多播安全; 批量更新; 成员行为; 超球形; 概率
Keywords:
 ; multicast security; batching rekey; members’ behavior; hypterball; probability
分类号:
TP301
文献标志码:
A
摘要:
 安全多播的核心问题是组密钥的安全管理。在超球形多播密钥更新方法的基础上，结合安全多播中的批量更新和成员行为，提出了一种基于成员行为的超球形批量密钥更新方法。该方案突破了传统的LKH方法，既充分利用成员之间的独立性和协同性，又兼顾到多播成员行为，从而有效降低组密钥更新的通信开销。根据成员的行为概率来构造超球形密钥树，尽可能地让更新报文包含多成员所需要的信息。仿真实验表明：在保证前向和后向安全性的同时，当成员加入或离开，特别是当成员的变化概率相差比较大时，该方案不但可以有效地降低组密钥的更新开销，而且可以极大地提高密钥的更新效率。
Abstract:
 he core issue of secure multicast is the safe management of the group key. Based on analysis of the multicast rekeying method of hypterball,combined the batch key updating and member’ s behavior,the hypterball multicast key updating method based on members’ behavior is proposed in this paper. The scheme breaks through the traditional method of LKH,and it not only makes full use of independ-ence and cooperation between members,but also considers the members’ behavior,and then improves the communication efficiency. Ac-cording to the probability of the behavior of members,construct the hypterball key tree,as far as possible let updated message contain the information the members need. Simulation experiment shows that when members join in or leave the group,especially when the probabili-ty of the members’ change is largely different,this scheme will greatly reduce the cost of key updating and improve the efficiency of the key updating,at the same time the forward and backward security are ensured.

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更新日期/Last Update: 2015-05-04