无线传感器网络中认证密钥分配的最小协议

K. Singh, V. Muthukkumarasamy
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引用次数: 7

摘要

无线传感器网络为一系列监测问题提供了解决方案。然而,它们带来了一系列新的问题,主要是由于小内存、弱处理器、有限的能量和小数据包大小。因此,只有极少数的传统协议可以很容易地用于传感器网络。本文提出了一种有效的无线传感器网络密钥分配协议。这是在不需要使用传统加密的情况下实现的。提出的解决方案复制身份验证服务器,这样一组恶意和串通的服务器就不会危及安全性或中断服务。我们展示了所建议的多服务器身份验证协议将只有O(n)复杂度,其中n是身份验证服务器的数量。该协议使用来自传感器节点和服务器的信息来生成新的密钥,而不是仅仅依靠传感器节点来生成好的随机数。该方案即使在基站不受信任的情况下也能很好地工作。所提出的协议保证新密钥是新鲜的,并且通信节点使用相同的密钥。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A Minimal Protocol for Authenticated Key Distribution in Wireless Sensor Networks
Wireless sensor networks provide solutions to a range of monitoring problems. However, they introduce a new set of problems mainly due to small memories, weak processors, limited energy and small packet size. Thus only a very few conventional protocols can readily be used in sensor networks. This paper proposes efficient protocols to distribute keys in wireless sensor networks. This is achieved without the necessity of using traditional encryption. The proposed solution replicates the authentication server such that a group of malicious and colluding servers cannot compromise security or disrupt service. We show that the proposed multiple server authentication protocols will only have O(n) complexity, where n is the number of authentication servers. The protocols use information from the sensor nodes and the servers to generate a new key, and do not solely rely on the sensor nodes to generate good random numbers. The scheme works well even when the base stations are untrusted. The proposed protocols guarantee that the new key is fresh and that the communicating nodes use the same key.
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