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Key Management for Static Wireless Sensor Networks With Node Adding
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DOI：10.1109/TII.2013.2288063.png)
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Abstract
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Wireless sensor networks offer benefits in several applications but are vulnerable to various security threats, such as eavesdropping and hardware tampering. In order to reach secure communications among nodes, many approaches employ symmetric encryption. Several key management schemes have been proposed in order to establish symmetric keys. The paper presents an innovative key management scheme called random seed distribution with transitory master key, which adopts the random distribution of secret material and a transitory master key used to generate pairwise keys. The proposed approach addresses the main drawbacks of the previous approaches based on these techniques. Moreover, it overperforms the state-of-the-art protocols by providing always a high security level.
Keywords:
Key management
wireless sensor networks (WSNs)
random key distribution
transitory master key
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