A New Certificateless Signcryption Scheme for Securing Internet of Vehicles in the 5G Era

Table 1

Parameter description table.

Parameter	Implications
	Additive cyclic group of order q
P	Generator of group G
s	System master key
	Five safe hash functions
	The identity of roadside unit j, public key , and private key
	Partial private key
	KGC generate the secret value to generate public/private keys
	Secret value of the vehicle
	Secret value for the RSU
	Public key and private key for a vehicle
	List of true vehicle identities
	False identity of a vehicle
	Pseudonym of a vehicle
	Current timestamp of a vehicle
	Ciphertext between two vehicles
	Encryption key and decryption key
	Vehicle of data sender and vehicle of data receiver
	Type-I and type-II adversaries