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中文摘要：
对无线传感器网络的自治愈群组密钥管理方案进行了研究。针对无线传感器网络群组通信信道不可靠、丢包率较高的无线通信环境现状,提出了一种具有撤销能力的群组密钥自治愈管理方案。该方案利用散列链的单向性和后续会话标志的不可知性实现了群组密钥的安全。通过会话密钥的历史冗余关联,使授权节点能够自动恢复丢失的群组会话密钥。安全及能量消耗分析表明,该方案不仅能保证无线传感器网络的通信安全,而且具有较低的通信开销和存储开销,适应于大规模的无线传感器网络。
英文摘要：
A self-healing group key management protocol with revocation capability is proposed for the unreliable communication channel and higher packet loss rate in wireless sensor network. The safety of the group key is achieved by using one-way hash function and unknowable follow-up session key. The legitimate nodes can recover the lost group key through the redundancy associated with the history of the session key. The analysis of security and efficiency show that proposed protocol has lower com munication cost and lower storage cost to ensure network security, so it is suitable for wireless sensor network.
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