Table 4 Comparison of various security schemes and their execution time.

From: A lightweight and secure authentication and privacy protection scheme for internet of medical things

S. No

Schemes

Enc. Time

Dec. Time

Sign Time

Verif. Time

Attack Prev.

1

17

0.9500

6.8200

13.753

40.111

Yes

2

18

0.9800

8.1633

12.653

35.152

No

3

11

0.6920

7.1523

11.400

38.201

Yes

4

13

0.8040

6.5245

13.000

35.214

Yes

5

19

0.6510

7.5682

11.423

37.500

No

6

Our Scheme (OS)

0.5640

4.3520

10.100

27.205

Yes

  1. * All schemes tested in the same bit strings and *Time are mentioned in ms
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