pe text) returns bytea
</pre><p>
   Encrypt/decrypt data using the cipher method specified by
   <em class="parameter"><code>type</code></em>.  The syntax of the
   <em class="parameter"><code>type</code></em> string is:

</p><pre class="synopsis">
<em class="replaceable"><code>algorithm</code></em> [<span class="optional"> <code class="literal">-</code> <em class="replaceable"><code>mode</code></em> </span>] [<span class="optional"> <code class="literal">/pad:</code> <em class="replaceable"><code>padding</