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Data Authenticity and Availability in Multihop Wireless Sensor Networks

机译:多跳无线传感器网络中的数据真实性和可用性

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摘要

Security services such as data confidentiality, authenticity, and availability are critical in wireless sensor networks (WSNs) deployed in adversarial environments. Due to the resource constrain's of sensor nodes, the existing protocols currently in use in adhoc networks cannot be employed in WSNs. In this article, we propose a protocol called location-aware network-coding security (LNCS) that provides all the aforementioned security services. By dividing the terrain into nonoverlapping cells, the nodes take advantage of the location information to derive different location-binding keys. The key idea in LNCS is that all the nodes involved in the protocol collaborate in every phase. We employ random network coding in order to provide data availability significantly higher than that in other schemes. A hash tree-based authentication mechanism is utilized to filter the bogus packets enroute. We provide a comparison between our scheme and previously proposed schemes. The results reveal significant improvement in data availability while maintaining the same level of data confidentiality and authenticity.
机译:对抗性环境中部署的无线传感器网络(WSN)中的数据保密性,真实性和可用性等安全服务至关重要。由于传感器节点的资源限制,当前在自组织网络中使用的现有协议无法在WSN中使用。在本文中,我们提出了一种称为位置感知网络编码安全性(LNCS)的协议,该协议可提供所有上述安全性服务。通过将地形划分为不重叠的单元,节点可以利用位置信息来推导不同的位置绑定键。 LNCS中的关键思想是协议中涉及的所有节点在每个阶段都进行协作。我们采用随机网络编码,以提供比其他方案更高的数据可用性。基于哈希树的身份验证机制用于过滤途中的虚假数据包。我们提供了我们的计划与先前提出的计划之间的比较。结果表明,在保持相同级别的数据机密性和真实性的同时,数据可用性得到了显着改善。

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