libraries/security.html"><em>Security Library</em></a>
documentation.</p>
</dd></dl>

<dl class="function">
<dt id="do_hash">
<tt class="descname">do_hash</tt><big>(</big><em>$str</em><span class="optional">[</span>, <em>$type = 'sha1'</em><span class="optional">]</span><big>)</big><a class="headerlink" href="#do_hash" title="Permalink to this definition">¶</a></dt>
<dd><table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<