基于成对生成策略的无线网络群密钥产生及其分析

doi:10.11896/j.issn.1002-137X.2017.11A.076

摘要/Abstract

摘要： 使用无线信道的物理层信息在无线设备间生成私密密钥用于确保移动环境的安全, 如今受到了广泛关注。然而在现实环境中,在多个设备之间生成群密钥以确保群安全通信的问题仍然存在挑战。针对无线网络星型拓扑结构,提出一种基于中心节点成对生成策略的群密钥产生方案。相比于文献中提出的利用群内节点间的接收信号强度差分实现提取群密钥的方案,详细分析了它们各自能实现的群密钥容量并给出了数值计算结果。分析表明,提出的基于成对生成策略的群密钥产生方法在密钥率方面优于文献中的差分提取方案。

关键词: 相互密钥提取,接收信号强度,群密钥生成,成对生成策略

Abstract: Secret key establishment within wireless terminals utilizing physical layer information of wireless channel to ensure the security of mobile environment has received wide attention.However,generating group secret key among multiple wireless devices for secure communication in reality environment remains a challenge.This paper proposed a group secret key establishment scheme based on central node pairwise-generating strategies under the star topology in wireless network.Compared with the existing group secret key extraction method using the difference of received signal strength(RSS) among the wireless devices in the group,we gave a explicit analysis and a specific numerical result on the achieva-ble group secret key rate of each one.It shows that our scheme outperforms that of generating group key by leveraging the difference of RSS on key rate.

Key words: Collaborative secret key extraction,Receiving signal strength,Group secret key generation,Pairwise-generating strategies

代东明,吴晓富. 基于成对生成策略的无线网络群密钥产生及其分析[J]. 计算机科学, 2017, 44(Z11): 362-365. https://doi.org/10.11896/j.issn.1002-137X.2017.11A.076

DAI Dong-ming and WU Xiao-fu. Group Secret Key Generation and Analysis in Wireless Network Based on Pairwise-generating Strategies[J]. Computer Science, 2017, 44(Z11): 362-365. https://doi.org/10.11896/j.issn.1002-137X.2017.11A.076

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