Traceable and Authenticated Key Negotiations via Blockchain for Vehicular Communications

Algorithm 3

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

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