资源受限IoT网络中基于$μ$ - PBIBD组合设计的密钥预分配方案
A novel key pre-distribution scheme based on $μ$-PBIBD combinatorial design in the resource-constrained IoT network
摘要：
在资源受限的物联网网络中，使用具有内存、处理和能量限制的WSN、RFID和嵌入式系统等终端节点。在这些类型的网络中的密钥分发解决方案之一是使用密钥预分发方案，其在资源受限的设备部署在环境中之前离线完成密钥分发操作。此外，为了减少共享密钥发现计算和通信开销，近年来已经提出了在密钥预分配中使用组合设计作为解决方案。在这项研究中，一个$μ$ -PBIBD组合设计的介绍和构造和映射的资源受限的物联网网络中的密钥预分配方案，这样的设计解释。通过使用这样的密钥预分发方案，获得更多的密钥用于IoT网络中的两个设备之间的通信。这意味着网络中的两个设备之间将存在最多q + 2个密钥，其中q是素数幂，也就是说，两个设备在其密钥链中可以具有q + 2个公共密钥，而不是具有用于直接安全连接的公共密钥。因此，与SBIBD、TD、Trade-KP、UKP *、RD * 和2-D $μ$ -PBIBD设计相比，我们将增加密钥预分配方案的弹性。关键词：资源受限物联网;组合设计; $μ$ -PBIBD;弹性。
英文摘要：
In a resource-constrained IoT network, end nodes like WSN, RFID, and embedded systems are used which have memory, processing, and energy limitations. One of the key distribution solutions in these types of networks is to use the key pre-distribution scheme, which accomplishes the key distribution operation offline before the resource-constrained devices deployment in the environment. Also, in order to reduce the shared key discovery computing and communication overhead, the use of combinatorial design in key pre-distribution has been proposed as a solution in recent years. In this study, a $μ$-PBIBD combinatorial design is introduced and constructed and the mapping of such design as a key pre-distribution scheme in the resource-constrained IoT network is explained. Through using such key pre-distribution scheme, more keys are obtained for communication between two devices in the IoT network. This means that there will be a maximum of q + 2 keys between the two devices in the network, where q is the prime power, that is, instead of having a common key for a direct secure connection, the two devices can have q + 2 common keys in their key chain. Accordingly, we would increase the resilience of the key pre-distribution scheme compared to the SBIBD, TD, Trade-KP, UKP *, RD * and 2-D $μ$-PBIBD designs. Keywords: resource-constrained IoT network; combinatorial design; $μ$-PBIBD; resilience.
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