A Lightweight, Secure Big Data-Based Authentication and Key-Agreement Scheme for IoT with Revocability

Table 4

Communication comparison of our scheme with recent schemes in terms of bits.

scheme	Client to server	Server to client	Total
Zhao et al. [20] scheme			2408
Zheng et al. [22] scheme			1248
Zhang et al. [21] scheme			2560
Chan et al.’s [1] scheme			768
Liu et al.’s scheme [2]			1792
Liu et al.’s P-quantum secure scheme [23]			27528
Our proposed scheme			2720
Our P-quantum secure scheme			1792