Traceable and Authenticated Key Negotiations via Blockchain for Vehicular Communications

Algorithm 2

System parameters are generated and uploaded into blockchain (type-II).

	Data: Null
(1)	⟵ random();
(2)	while (!IsPrime())do
(3)	⟵ random();
(4)	end
(5)	⟵ (random()%);
(6)	a ⟵ (random()%());
(7)	A ⟵ ( % );
(8)	Transaction ⟵ code(, , A);