computer science, wireless sensor networks, encryption, deployment knowledge, key management
To achieve security in wireless sensor networks, it is important to be able to encrypt messages sent among sensor nodes. Keys for encryption purposes must be agreed upon by communicating nodes. Due to resource constraints, achieving such key agreement in wireless sensor networks is non-trivial. Many key agreement schemes used in general networks, such as Diffie-Hellman and public-key based schemes, are not suitable for wireless sensor networks. Pre-distribution of secret keys for all pairs of nodes is not viable due to the large amount of memory used when the network size is large. Recently, a random key predistribution scheme and its improvements have been proposed.
Du, Wenliang; Deng, Jing; Han, Yunghsiang S.; and Chen, Shigang, "A Key Management Scheme for Wireless Sensor Networks Using Deployment Knowledge" (2004). Electrical Engineering and Computer Science. 6.
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