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Secure Data Transmission
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Secure data transmission is a key problem of wireless sensor networks (WSN). Clustering is an effective and practical way to improve the system performance of wireless sensor networks. In this paper, we study the cluster based secure data transmission wireless sensor networks (cwsns), where the cluster forms dynamically and periodically. We propose two secure and efficient data transfer protocols, cwsns, called set IBS and set iboos. By using identity based digital signature (IBS) scheme and identity based online / offline digital signature (iboos) scheme, cwsns is implemented respectively. Set IBS, security depends on the domain of the hardness dif fi e Hermann problem pairing. It is very important for wireless sensor networks to set iboos computing overhead as protocol security, and its security depends on the hardness of discrete logarithm problem. Weshow security requirements and security analysis of various attacks set IBS and set iboos protocol feasibility. Calculations and simulations are provided to illustrate the efficiency of the proposed protocol. The results show that the proposed protocol has better performance than existing security protocols in terms of cwsns, security and energy consumption.
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