| 基于反克隆机制的WSN区域密钥分发 |
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| 引用本文：周伟超.基于反克隆机制的WSN区域密钥分发[J].计算技术与自动化,2022,(3):183-188 |
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| 中文摘要:针对无线传感网安全管理领域中存在的密钥生成困难、节点抗俘性能较差等不足，提出了一种基于反克隆机制的WSN区域密钥分发算法。首先，基于区域成型存在的簇头-簇节点的分层特性，采用反克隆机制进行节点层次认证，引入正交机制进行节点密钥分发，降低因簇头-簇成员节点信息交互不畅而导致的安全抖动风险。随后，采取密文非对称传输方式进行密钥冲激响应，通过逆向分发进一步降低密钥被破解的概率，减少安全确认过程中存在的信令频繁收发现象。仿真结果表明：与当前常用的WSN安全领域常用的基于多项式和矩阵的无线传感器网络密钥管理安全方案算法（Polynomial and Matrix Based Key Management Security Scheme in Wireless Sensor Networks，P-MB算法）和基于块LU分解的无线传感器网络密钥预分配算法（Key Pre-distribution Approach Using Block LU Decomposition in Wireless Sensor Network，PD-BLU算法）相比，本算法可显著降低节点被俘获的概率，减少网络信令传输，具有很强的安全分发和网络稳定性能，部署价值较高。 |
| 中文关键词:无线传感网 反克隆机制 节点抗俘 密钥分发 非对称传输 |
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| Key Distribution Scheme For WSN Based on Anti-Clone Mechanism |
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| Abstract:In order to solve the difficulties in key generation and poor anti capture performance of nodes in the field of security management of wireless sensor networks, a WSN regional key distribution algorithm based on anti cloning mechanism is proposed. Firstly, based on the hierarchical characteristics of cluster head cluster nodes existing in region forming, the anti cloning mechanism is used for node level authentication, and the orthogonal mechanism is introduced for node key distribution to reduce the risk of security jitter caused by poor information interaction between cluster head and cluster member nodes. Then, the ciphertext asymmetric transmission mode is adopted for key impulse response, and the probability of key cracking is further reduced through reverse distribution, so as to reduce the phenomenon of frequent signaling sending and receiving in the process of security confirmation. The simulation results show that compared with the commonly used WSN key management security scheme algorithm based on polynomial and matrix and the wireless sensor network key pre-distribution algorithm based on block LU decomposition, the proposed algorithm can significantly reduce the probability of node capture and network signaling transmission, and has strong security distribution and network stability performance, high deployment value. |
| keywords:wire sensor network anti cloning mechanism node anti capture key distribution asymmetric transmission |
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