An Enhanced RFID-Based Authentication Protocol using PUF for Vehicular Cloud Computing

Table 11

Comparison of security features.

Security attributes	[7]	[3]	[4]	[2]	[11]	Our
Traceability preservation
Suitable for cloud environments
Password guessing attack
Privileged-insider attack
User anonymity preservation
Relay attack
Replay attack
Impersonation attacks
Denial-of-service attack
Message authentication
Mutual authentication
Man-in-the-middle attack
ESL attack
Session key agreement
Desynchronization attack
Revocability
Free password/biometric change
Security attributes achieved	9	15	15	10	12	18