sulting byte sequence. For UNF versions &gt; 3, use <a href="http://en.wikipedia.org/wiki/SHA-2">SHA256</a>. For UNF version 3, use <a href="http://en.wikipedia.org/wiki/MD5">MD5</a>.</p></li>
<li><p><a href="http://en.wikipedia.org/wiki/Base64">Base64 encode</a> the resulting hash. For UNF versions &gt;= 5, truncate the UNF by performing base64 encoding only on the leftmost 128, 192, 196, or 256 bits, where 128 bits (16 bytes) is the default.</p></li>
</ol>
<p><strong>To aggregate multiple variables:</stro