Abstract
This paper describes the comparison of the error-correcting codes that is adopted by the key disagreement correction process about wireless key agreement system called ESPARSKEY that is expected to achieve information-theoretic security. This system consists of AP with a variable directional antenna, that is, an ESPAR antenna, and UT with an omni-directional antenna. We employ conditional mutual information as the evaluation index. From experimental evaluation results, we clarified that the best way is adopting BCH(31,16,7) with table-aided soft-decision decoding as the key disagreement process where one eavesdropper exists more than 40cm from UT. After adopting this error-correcting code, we should transact 200 wireless packets between the nodes to share a 128-bit unguessable key against an eavesdropper.
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Hashimoto, T. et al. (2007). Comparative Studies in Key Disagreement Correction Process on Wireless Key Agreement System. In: Kim, S., Yung, M., Lee, HW. (eds) Information Security Applications. WISA 2007. Lecture Notes in Computer Science, vol 4867. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-77535-5_13
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DOI: https://doi.org/10.1007/978-3-540-77535-5_13
Publisher Name: Springer, Berlin, Heidelberg
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