6 Luglio 2012 alle 7:57
#75886
::
qui 😉
in proposito su questo forum dice:
The pdfcrypt package provides the needed options, but encryption support of pdftex was dropped since pdfTeX-1.10a (2003-01-16), so you are out of luck. However, the manual of this package lists several free alternative ways to add this security feature to PDFs.
Ciao
Davide