Date Added: Jul 2012
Strong cryptographic schemes are used for securing the Wireless Sensor Networks (WSNs). Even if a strong cipher is used for encryption/ decryption of messages in any form of WSN communication, if the key is compromised and it no longer remains secret, the security of the underlying network is compromised. Therefore, key management schemes play a very vital role in the maintenance of security of any system. This paper deals with a secure key management scheme for the WSN which does not rely on a single key.