Table 4 Comparison of computational overhead.

From: PIA-A secure and efficient identity authentication scheme in telemedicine via the PUF method

 

Total times

User

TGW

Sensor

17

\(1{\text{T}}_{{{\text{fuz}}}} + {\text{10T}}_{{\text{m}}} + 1{\text{8T}}_{{\text{h}}} \approx {0}{\text{.7028s}}\)

\(1{\text{T}}_{{{\text{fuz}}}} + {\text{4T}}_{{\text{m}}} + {\text{10T}}_{{\text{h}}}\)

\({\text{3T}}_{{\text{m}}} + {\text{4T}}_{{\text{h}}}\)

\({\text{3T}}_{{\text{m}}} + {\text{4T}}_{{\text{h}}}\)

30

\(1{\text{T}}_{{\text{b}}} + {\text{6T}}_{{\text{m}}} + {\text{19T}}_{{\text{h}}} \approx {0}{\text{.3979s}}\)

\({\text{3T}}_{{\text{m}}} + {\text{7T}}_{{\text{h}}}\)

\(1{\text{T}}_{{\text{b}}} + {\text{3T}}_{{\text{m}}} + {\text{12T}}_{{\text{h}}}\)

31

\(1{\text{T}}_{{{\text{fuz}}}} + 5{\text{T}}_{{\text{m}}} + {\text{17T}}_{{\text{h}}} + 6{\text{T}}_{{{\text{sye}}}} \approx 0.4392s\)

\(1{\text{T}}_{{{\text{fuz}}}} + {\text{1T}}_{{\text{m}}} + {\text{6T}}_{{\text{h}}} + {\text{2T}}_{{{\text{sye}}}}\)

\({\text{2T}}_{{\text{m}}} + {\text{6T}}_{{\text{h}}} + {\text{2T}}_{{{\text{sye}}}}\)

\({\text{2T}}_{{\text{m}}} + {\text{5T}}_{{\text{h}}} + {\text{2T}}_{{{\text{sye}}}}\)

9

\(6{\text{T}}_{{\text{m}}} + 22{\text{T}}_{{\text{h}}} \approx 0.3895s\)

\({\text{3T}}_{{\text{m}}} + {\text{10T}}_{{\text{h}}}\)

\({\text{1T}}_{{\text{m}}} + {\text{8T}}_{{\text{h}}}\)

\({\text{2T}}_{{\text{m}}} + {\text{4T}}_{{\text{h}}}\)

32

\(1{\text{T}}_{{{\text{fuz}}}} + 8{\text{T}}_{{\text{m}}} + 1{\text{7T}}_{{\text{h}}} + 6{\text{T}}_{{{\text{sye}}}} \approx 1.1958s\)

\({\text{2T}}_{{\text{m}}} + {\text{4T}}_{{\text{h}}} + {\text{2T}}_{{{\text{sye}}}}\)

\({\text{2T}}_{{\text{m}}} + {\text{5T}}_{{\text{h}}} + {\text{2T}}_{{{\text{sye}}}}\)

\(1{\text{T}}_{{{\text{fuz}}}} + {\text{4T}}_{{\text{m}}} + 8{\text{T}}_{{\text{h}}} + {\text{2T}}_{{{\text{sye}}}}\)

PIA

\({\text{1T}}_{{\text{b}}} + 4{\text{T}}_{{\text{m}}} + 2{\text{2T}}_{{\text{h}}} + 4{\text{T}}_{{{\text{sye}}}} \approx {0}{\text{.3081}}\)

\({\text{1T}}_{{\text{b}}} {\text{ + 10T}}_{{\text{h}}} + {\text{2T}}_{{{\text{sye}}}}\)

\({\text{2T}}_{{\text{m}}} + {\text{8T}}_{{\text{h}}} + {\text{2T}}_{{{\text{sye}}}}\)

\({\text{2T}}_{{\text{m}}} + {\text{4T}}_{{\text{h}}}\)