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Currently, wireless sensor networks (WSNs) have been widely developed in different domains. Generally, sensors work independently, so it is relatively easier for a WSN to add new nodes. Often, a WSN is constrained to low energy consumption. However, data encryption/decryption not only takes a long time but also consumes many network resources. Due to limited battery power and CPU capability, a sensor's...
In this study, we develop a secure high-performance WSN, named the Secure and High-performance WSN based on Symmetric-key Matrix (SHWSM for short), which exploits a symmetric key as a channel key to improve the key-exchange performance of a network when a node is newly added to the network. We also use time key, random key, system group key, individual symmetric key and system group table etc, as...
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