计算机工程与应用2011，Vol.47Issue(34)：98-100,3.DOI:10.3778/j.issn.1002-8331.2011.34.026
安全多播密钥更新机制优化方案
Optimized rekeying program for secure multicast
摘要
Abstract
The security management of group key is essential to secure multicast.Currently, group key management programs based on LKH are most widely used.This paper analyzes the advantages and disadvantages of a key management program for secure multicast,and proposes a new rekeying program based on it.By adding one-way hash function,some users can calculate the keys along the path from their own point to root by themselves, and during a departure procedure, one user is selected to perform rekeying operation instead of key server.The overhead of communication cost, storage cost and computation cost of this program are analyzed.The results show that this program can reduce communication cost and storage cost for key server compared to both LKH and the original program.关键词
安全多播/密钥更新/单向散列函数/密钥服务器Key words
secure multicast/rekeying/one-way hash function/key server分类
信息技术与安全科学引用本文复制引用
赵欢欢,许勇,朱晓伟..安全多播密钥更新机制优化方案[J].计算机工程与应用,2011,47(34):98-100,3.基金项目
安徽省高校自然科学基金(No.2005kj009ZD). （No.2005kj009ZD）
