Security and Communication Networks

Research Article

A Lightweight Three-Factor Authentication and Key Agreement Scheme for Multigateway WSNs in IoT

Table 3

Comparison of security features.
 C1C2C3C4C5C6C7C8C9C10C11C12
Guo et al. [22]✓✓✓✓××✓✓×✓✓×
Wu et al. [20]✓✓××××✓××✓✓×
Srinivas et al. [21]✓✓××✓×✓××✓××
Amin [19]✓✓××××✓××✓××
Ours✓✓✓✓✓✓✓✓✓✓✓✓
“✓” means the protocol satisfies this property; “×,” the opposite.