NDLI: Time Correlation Analysis of Secret Key Generation via UWB Channels

Content Provider	IEEE Xplore Digital Library
Author	Madiseh, M.G. Neville, S.W. McGuire, M.L.
Copyright Year	2010
Abstract	Wireless channel characterization is a known methodology for the generation of secret keys, where the secrecy of the key depends on the spatial-temporal correlation properties of the channel which themselves arise due to the channel's physical constraints. Spatial correlations can be suitably addressed simply by moving from narrow band channels to ultra-wide band (UWB) channels, but this does not address temporal correlations\ie{the likelihood that two successive key generation processes will generate the same, or nearly the same, key}. This work shows that the worst-case of the temporal correlation problem\ie{when an eavesdropper has perfect knowledge of all past channel characterizations} is effectively addressed by applying channel prediction to the available ensemble of channel characterisation events and removing the predictable ensembles. It is shown that this proposed prediction approach increases the security of the key generation process while simultaneously reduce the available amount of information for the key generation. Moreover, real-world experimental data is also applied to confirm that a linear prediction suffices in this case.
Starting Page	1
Ending Page	6
File Size	720018
Page Count	6
File Format	PDF
ISBN	9781424456369
ISSN	1930529X
e-ISBN	9781424456383
e-ISBN	9781424456376
DOI	10.1109/GLOCOM.2010.5683999
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-12-06
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Correlation Noise Security Noise measurement Pollution measurement Measurement uncertainty Communication system security
Content Type	Text
Resource Type	Article

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