sed, possible values are
"sha1", "sha256" and "sha512".</p></li>
</ul></div>
    <div id="methods">
    <h2>Methods</h2>
    
<div class="sourceCode"><pre><code><span></span>
<span><span class="va">TOTP</span><span class="op">$</span><span class="fu">at_time</span><span class="op">(</span><span class="va">t</span><span class="op">)</span></span></code></pre></div><p>Generate an one time password at a given time value.</p><ul><li><p><strong>t</strong> a POSIXct object or an integer that represents the number