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. 2021 Sep 30;9:688399. doi: 10.3389/fpubh.2021.688399

Table 3.

Computation cost of SCB-HC protocol with relevant protocols.

Phases Li et al. (29) Kumar et al. (12) Kumar et al. (23) Proposed
Preliminary NA NA NA 1Tkgen
0.219
Registration 3TH
0.0015 s
3TH
0.0015 s
3TH
0.0015 s
2TH + 1TEnc
0.3067 s
HUP (health center data upload phase) (Login+ Authentication+ Data synchronization) 11TH + 1Tsign + 3Ts
0.3543 s
10TH + 1Tsign + 3Ts
0.3538 s
10TH + 1Tsign + 5Ts
0.3628 s
12TH + 1Tsiggen + 5TM + 1TEnc
0.339 s
TUP (treatment upload phase) (Login+ Authentication+ Data synchronization) 3Tsign + 6Ts + 10TH
0.7128 s
2Tsign + 6Ts + 10TH
0.7026 s
3Tsign + 6Ts + 11TH
1.0528 s
12TH + 1Tsiggen + 5TM + 1TEnc
0.339 s
MRP (medi reclaim phase) (Login+ Authentication+ Data Retrieval) NA NA NA 12TH + 1Tsigver +5TM + 1TDec
0.0528 s
LUP (lab technician phase) (Login+ Authentication+ Data Retrieval+ Data Synchronization) NA NA NA 12TH + 1Tsiggen + 1Tsigver + 5TM + 1TDec + 1TEnc
0.3594 s
Password update NA NA NA 2TH = 0.001 s
Total time 1.0686 s 1.0579 s 1.4171 s 1.6169 s