title: Allow page extraction in a password security pdf with itextsharp
body: <p>I don't know if it is possible to create a pdf with password security enabled, that also allows extraction of pages.</p>
  
  <p>I havn't found any property in itextsharp which will allow enable page extraction.</p>
  
  <p>Any one has any idea?</p>
  
  <p><img src="https://i.stack.imgur.com/Pkoc4.gif" alt="properties"></p>
  
  <p>This is the property that i would like to enable.</p>
  
  <p>Thank you very much.</p>