PUF-Assisted Lightweight Group Authentication and Key Agreement Protocol in Smart Home

Table 4

Computational cost comparison.

Protocol	Single device accessing cost (ms)	devices accessing cost (ms)
Challa et al. [20]
Wazid et al. [8]
Li et al. [9]
Yu and Li [46]
Shuai et al. [47]
Banerjee et al. [48]
Our protocol