PIKE: Peer intermediaries for key establishment in sensor networks

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PIKE: Peer intermediaries for key establishment in sensor networks (2005)

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by Haowen Chan

Venue:	In Proceedings of IEEE Infocom
Citations:	141 - 2 self

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@INPROCEEDINGS{Chan05pike:peer,
    author = {Haowen Chan},
    title = {PIKE: Peer intermediaries for key establishment in sensor networks},
    booktitle = {In Proceedings of IEEE Infocom},
    year = {2005},
    pages = {524--535}
}

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Abstract

Abstract — The establishment of shared cryptographic keys between communicating neighbor nodes in sensor networks is a challenging problem due to the unsuitability of asymmetric key cryptography for these resource-constrained platforms. A range of symmetric-key distribution protocols exist, but these protocols do not scale effectively to large sensor networks. For a given level of security, each protocol incurs a linearly increasing overhead in either communication cost per node or memory per node. We describe Peer Intermediaries for Key Establishment (PIKE), a class of key-establishment protocols that involves using one or more sensor nodes as a trusted intermediary to facilitate key establishment. We show that, unlike existing key-establishment protocols, both the communication and memory overheads of PIKE protocols scale sub-linearly (O ( √ n)) with the number of nodes in the network yet achieving higher security against node compromise than other protocols. I.

Keyphrases

key establishment sensor network peer intermediary key-establishment protocol challenging problem memory overhead resource-constrained platform sensor node pike protocol node compromise asymmetric key cryptography communication cost neighbor node cryptographic key large sensor network symmetric-key distribution protocol trusted intermediary

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