tr>
<tr class="row-even"><td>mode</td>
<td>Encryption mode (see <a class="reference internal" href="#encryption-modes"><span class="std std-ref">Encryption modes</span></a>)</td>
</tr>
<tr class="row-odd"><td>key</td>
<td>Encryption key</td>
</tr>
</tbody>
</table>
<p>For example, if you were to change the encryption algorithm and
mode to AES-256 in CTR mode, this is what you should do:</p>
<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-&gt;<