Security and Communication Networks / 2020 / Article / Alg 1

Research Article

An Improved Broadcast Authentication Protocol for Wireless Sensor Networks Based on the Self-Reinitializable Hash Chains

Algorithm 1

Direct authentication of fresh nodes.
(1)for fresh node do
(2):
(3): computes and compares the fingerprint
(4)if the fingerprint is true then
(5)  : , where
(6)else
(7)  Authentication failure
(8)end if
(9)end for

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