thout effort and allow the aforementioned
        operations, therefore the degree of protection is limited.
      </p>
<p>
        For further information about features and restrictions regarding PDF
        encryption, look at the documentation coming with Adobe Acrobat or the
        technical documentation on the Adobe web site.
      </p>
</div>
    
<a name="Usage+%28command+line%29"></a>
<h2 class="underlined_10">Usage (command line)</h2>
<div class="section">
<p>
        Encryption is enabled by su