Authentication-Based Vehicle-to-Vehicle Secure Communication for VANETs

Table 2

Comparison of security performance.

Performance	SBVGT	ACPN	TELIP	E-TEA	TPKE	PPMA	LIAU
Defending against impersonation attack	✓	✓	✓	✓	✓	✓	✓
Defending against tampering attack	✓	✓	✓	✓	✓	✓	✓
Defending against replay attack	✕	✓	✓	✓	✓	✓	✓

Note. ✓ meet the requirement, ✕ do not meet the requirement.