On Fri, 18 Jun 1999, David W. Talmage wrote:

> One bummer about xpdf 0.80, the one in the pkgsrc tree, is that it doesn't 
> support encrypted PDF files.  I didn't know that until two days ago when I 
> downloaded the Sony AIBO parody from the Onion.

For the adventerous, there are pointers to decryptions patches and
instructions on the xpdf homepage. <http://www.foolabs.com/xpdf/>

I've yet to try it, myself. I don't have any encrypted pdfs to test it
on, either.