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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