A Provably Secure Three-Factor Authentication Protocol for Wireless Sensor Networks

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/wcmc/volume-2021/5537018/figures/5537018.fig.005a.svgz" name="5537018.fig.005a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Process</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/wcmc/volume-2021/5537018/figures/5537018.fig.005b.svgz" name="5537018.fig.005b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Process</td></tr><tr class="fig-image" id="c"><td><object data="https://static.hindawi.com/articles/wcmc/volume-2021/5537018/figures/5537018.fig.005c.svgz" name="5537018.fig.005c" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(c) </b>Results</td></tr></table>

Wireless Communications and Mobile Computing

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Figure 5

Figure 5: A Provably Secure Three-Factor Authentication Protocol for Wireless Sensor Networks 