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Table 3 Computation cost comparison

From: Biometrics based authentication scheme for session initiation protocol

Schemes

RP

LAAP

PCP

TC

AT (ms)

Zhang et al. (2014)

1SM + 2H

8SM + 2PA + 11H

1SM + 4SY + 6H

10SM + 2PA + 4SY + 19H

22.3797

Tu et al. (2015)

1SM + 2H

7SM + 1PA + 10H

1SM + 4SY + 6H

9SM + 1PA + 4SY + 18H

20.1226

Irshad et al. (2015)

1SM + 2H

7SM + 12H

1SM + 4SY + 6H

9SM + 4SY + 20H

20.0984

Arshad and Nikooghadam (2016)

2H

4SM + 8H + 1MI

9H

4SM + 19H + 1MI

8.9533

Farash (2016)

1SM + 2H

7SM + 1PA + 10H

1SM + 4SY + 6H

9SM + 1PA + 4SY + 18H

20.1226

Mishra et al. (2016)

4H

3SM + 12H

6H

3SM + 22H

7.184

Chaudhry et al. (2015a)

3H

6SM + 7H

3H

6SM + 13H

13.3859

Wu et al. (2015)

4H

4SM + 4SY + 12H

4H

4SM + 4SY + 20H

8.9684

Our scheme

4H

4SM + 12H

5H

4SM + 21H

8.9523

  1. RP registration phase, LAAP login and authentication phase, PCP password change phase, TC total computation, AT actual time