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Group Key Establishment Scheme Using Wireless Channel Status

Authors:
Seon Yeob Baek
Jongwook Park

Keywords: Group key generation;group key establishment;secret key generation;secret key establishment;physical layer security

Abstract:
Broadcast-based wireless communication is vulnerable to sniffing and eavesdropping by adversaries. Hence, wireless network security mechanisms have relied on cryptographic algorithms to protect information and support confidentiality. We propose a group key establishment scheme for secure wireless multicast services without a key management center. The proposed scheme exploits wireless channel reciprocity and generates an identical secret key among group users by steering pilot phase. We analyze and evaluate performance of the proposed scheme. Our results give an insight to determine transmit power strength and phase quantization-level according to the number of group users and group key size.

Pages: 83 to 87

Copyright: Copyright (c) IARIA, 2012

Publication date: November 18, 2012

Published in: conference

ISSN: 2163-9027

ISBN: 978-1-61208-231-8

Location: Lisbon, Portugal

Dates: from November 18, 2012 to November 23, 2012