A secure and privacy-preserving authentication protocol for wireless sensor networks in smart city

EURASIP Journal on Wireless Communications and Networking

Table 8 Comparison of security features

Security features	[1]	[12]	[15]	[17]	[26]	[27]	[28]	ours
Impersonation attack	√	×	√	×	×	√	√	√
Anonymity and unlinkability	×	×	√	×	×	×	×	√
Verification table stolen attack	√	√	√	√	√	×	×	√
Password guessing attack	×	×	√	×	√	√	√	√
Known session key security	√	×	√	×	√	√	√	√
Replay attack	√	×	√	×	√	√	√	√
Man-in-the-middle attack	√	×	√	×	√	√	√	√
Perfect forward secrecy	√	×	×	×	√	√	√	√
Session key security	√	√	×	√	√	√	√	√
Sensor capture attack	√	√	×	√	√	√	√	√