基于接收信號(hào)強(qiáng)度的傳感網(wǎng)組密鑰生成協(xié)議的研究
[Abstract]:Wireless sensor network (WSN) is one of the frontiers of information technology, especially the security problem in WSN. With the continuous development of wireless sensor network technology, its application prospect in military, environment and other fields is more and more broad. However, due to the limited hardware resources of wireless sensor devices, the traditional wireless network security scheme can not be directly applied to ensure the security of its communication. At present, there are some solutions to key management in sensor networks, but the available schemes to dynamically generate keys between multiple sensors to ensure the security of group communication are still in the research stage. Based on the analysis and utilization of the key agreement protocol between node pairs in wireless sensor networks, according to the communication security requirements of key agreement in the group, A secure key generation protocol for wireless sensor network groups is designed. The protocol uses the received signal strength information in different channels to extract the secret information and generates the group key based on the measurement of the information between a particular node pair in the group. The whole protocol can be divided into two parts: the key generation part between the base node pairs and the key acquisition section between the base node and other group nodes. The protocol can run in a static environment and no additional infrastructure is required in the network. Firstly, the system model of the protocol is analyzed, and then the specific content of the protocol is discussed in detail. This paper also analyzes the security of the protocol, and finally tests the actual operation of the protocol in different scenarios according to the steps of key generation. The success rate of key generation under different protocol parameters is analyzed and the randomness of the generated key is tested by the randomness test tool to verify its security.
【學(xué)位授予單位】:西安電子科技大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2014
【分類號(hào)】:TN918.4;TP212.9
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