An Anonymous and Efficient ECC-Based Authentication Scheme for SIP

Table 5

Comparison of computational cost.

Schemes	Total comparison of computational cost	Time (ms)
Our scheme		22.2551 ms
Zhang et al.’s scheme [10]		25.0675 ms
Irshad et al.’s scheme [11]		22.7839 ms
Arshad et al.’s scheme [12]		11.1116 ms
Lu et al.’s scheme [13]		16.0832 ms