A Secure Implementation of a Symmetric Encryption Algorithm in White-Box Attack Contexts

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="431794.fig.004a" src="https://static.hindawi.com/articles/jam/volume-2013/431794/figures/431794.fig.004a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>The last round of SHARK  </td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="431794.fig.004b" src="https://static.hindawi.com/articles/jam/volume-2013/431794/figures/431794.fig.004b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>The modified last round of SHARK   </td></tr></table></td></tr></table>

<table>Modification of the last round of SHARK.</table>

Journal of Applied Mathematics

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Figure 4

Figure 4: A Secure Implementation of a Symmetric Encryption Algorithm in White-Box Attack Contexts 