Traceable and Authenticated Key Negotiations via Blockchain for Vehicular Communications

Algorithm 4

Master key parameters are generated to blockchain (type-II).

	Data: ,
(1)	Key initiator:
(2)	⟵ readblock();
(3)	while (!IsPrime()) do
(4)	⟵ random();
(5)	end
(6)	⟵ (random()%);
(7)	a ⟵ (random()%());
(8)	A ⟵ ( % );
(9)	Transaction ⟵ code(, , A);
(10)	Submit;
(11)	Key receiver:
(12)	⟵ readblock();
(13)	⟵ (readblock()%);
(14)	b ⟵ (random()%());
(15)	B ⟵ ( % );
(16)	Transaction ⟵ code(B);