SKIA-SH: A Symmetric Key-Based Improved Lightweight Authentication Scheme for Smart Homes

Table 4

Comparisons of computation and communication costs.

Protocol				RT	Bytes ex.
Wazid et al. [21]					376
Shuai et al. [23]					208
Kaur and Kumar [24]					224
Yu et al. [20]					196
Proposed					216

Note. RT: running time (ms); ex: exchange.