Using BDH for the Message Authentication in VANET

Table 7

Performance analysis.

Property	Method
	[4]	[5]	[6]	[7]	[8]	Proposed method
The broadcast message	Signing: Verification:	Signing; Verification	Signing: Verification:	Signing; Verification	Signing; Verification	Signing; Verification
Spending time	36.4 ms	ms +  ms	18 ms	10.2 ms	9.98 ms	6.3 ms
Handoff			N/A	N/A	N/A	+
Spending time	13.5 ms	11.94 ms	N/A	N/A	N/A	<5.44 ms
Communication between different RSUs	Signing: Verification:	N/A	Signing: Verification:	Signing; Verification	Signing; Verification	Signing; Verification
Spending time	36.4 ms	N/A	18 ms	10.2 ms	9.98 ms	11.4 ms
Privacy communicate	N/A	Signing; + SE; Verification; + SD	N/A	Signing; ASE; Verification; ASD	N/A	Signing; Verification
Spending time	N/A	<13.84 ms	N/A	4.84 ms	N/A	<15.04 ms