New Efficient and Secured Authentication Protocol for Remote Healthcare Systems in Cloud-IoT

Table 2

Security feature’s comparison.

	Kumar et al. [33]	He et al [34]	Amin et al [35]	Sharma and Kalra [14]	Ours
Mutual authentication	✓	✓	✓	✓	✓
Data integrity	✓	✓	✓	✓	✓
No verification table	✗	✗	✓	✓	✓
Session key exchanging	✓	✓	✓	✓	✓
DoS attack	✓	✓	✓	✓	✓
Perfect forward secrecy	✗	✗	✗	✓	✓
Off-line password guessing attack	✗	✗	✗	✗	✓
Replay attack	✗	✗	✗	✓	✓
Insider attack	✗	✗	✗	✓	✓

✓: secured against attack. ✗: not secured against attack.