For further details contact: N.RAJASEKARAN B.E M.S 9841091117,9840103301. IMPULSE TECHNOLOGIES, Old No 251, New No 304, 2nd Floor, Arcot road , Vadapalani , Chennai-26. www.impulse.net.in Email: ieeeprojects@yahoo.com/ imbpulse@gmail.com

1. Impulse Technologies
Beacons U to World of technology
044-42133143, 98401 03301,9841091117 ieeeprojects@yahoo.com www.impulse.net.in
Pair wise and Triple Key Distribution in Wireless Sensor Networks
with Applications
Abstract
The design of efficient key management protocols for wireless sensor networks
(WSNs) is a challenging task. To be robust and adaptable to many WSN applications, the
key management protocol should not only be lightweight but also should support both
pair-wise and group-wise communications. Many previous works have focused on
developing efficient pair-wise key management protocols in WSNs. Very few works,
however, have addressed pair-wise and group-wise key management together using a
common pre-distributed secret key. Moreover, key revocation, key material refresh, and
new node addition issues have received little attention. In this paper, we propose a new
key management protocol for WSNs that provides support for both pair-wise and group-
wise key management with the same pre-distributed secret. The proposed protocol is
efficient in terms of communication and storage overhead.
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