An Improved and Privacy-Preserving Mutual Authentication Scheme with Forward Secrecy in VANETs

Table 2

Mutual authentication phase between TA and the vehicle.

	RSU	TA
Selects; Computes
	Verifies; Selects ,; Computes
		First verifies; Computes ,; Checks; Computes ,; Checks; Selects; Computes; Computes; Computes; Computes; Computes; Updates
	Verifies; Computes; Checks
Retrieves; Checks; Updates; Generates the signing key: