Authenticated secret key extraction using channel characteristics for body area networks
Authors: Jiawei Yuan, Lu Shi, Shucheng Yu, Ming Li

Date: October 2012
Publication: Proceedings of the 2012 ACM Conference on Computer and Communications Security, CCS '12
Page(s): 1028 - 1030
Publisher: ACM
Source 1: - Subscription or payment required

Abstract or Summary:
Simultaneously realizing device authentication and fast secret key extraction is a challenging issue in wireless networks. Most existing works solve this problem by utilizing either advanced hardware or out-of-band channel, which is not always available for commercial-off-the-shelf wireless devices. In this work, we solve this challenging issue under the setting of Wireless Body Area Network (BAN) and propose a lightweight authenticated secret key extraction scheme, namely ASK-BAN. The proposed scheme is just based on wireless channel measurement and does not introduce any advanced hardware or rely on any out-of-band channel. Experimental results show that our proposed scheme can offer a high secret key extraction rate while providing effective device authentication simultaneously.

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