An Efficient and Secure Certificateless Authentication Protocol for Healthcare System on Wireless Medical Sensor Networks

Table 1

Functionality comparisons.

Properties	[7]	[12]	[13]	Ours
User anonymity	No	No	No	Yes
Perfect forward secrecy	No	Yes	Yes	Yes
Replay attack resistance	Yes	No	No	Yes
Impersonation attack resistance	Yes	Yes	Yes	Yes
Malicious server attack resistance	Yes	Yes	Yes	Yes
No certificate management	No	Yes	Yes	Yes
Trust level	1	2	3	3