Thanks Leonard I though tabout that too, but I don't know how to access it. I know its encoded in buildUnauthenticatedAttributes, but I have no clue how to get back to this information once I read it in again.
Rog Leonard Rosenthol wrote: > All that information is inside the PKCS#7 signature - so you'll need to use > the crypto-provider APIs. > > Leonard > > -----Original Message----- > From: Roger Misteli [mailto:roger.mist...@abacus.ch] > Sent: Wednesday, January 28, 2009 8:12 AM > To: iText > Subject: [iText-questions] Verify Timestamp information on signatures in a > PDF's that are signed with external timestamps > > Hiyas > > I have a PDF with a couple signatures. The signatures can or cannot be signed > with an external timestamp. The timestamping itself works flawlessy, but how > can I, when I open a PDF > again and get the certificates, extract the timestamp information again > (precisely: if there is an external time stamp, what server and the > certificate)? Is there any sample code > or does anyone have a solution for that already? > > Best regaerds and thanks > Rog > > -- * As soon as we started programming, we found to our surprise that it wasn't as easy to get programs right as we had thought. Debugging had to be discovered. I can remember the exact instant when I realized that a large part of my life from then on was going to be spent in finding mistakes in my own programs. Maurice Wilkes discovers debugging, 1949 ------------------------------------------------------------------------------ This SF.net email is sponsored by: SourcForge Community SourceForge wants to tell your story. http://p.sf.net/sfu/sf-spreadtheword _______________________________________________ iText-questions mailing list iText-questions@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/itext-questions Buy the iText book: http://www.1t3xt.com/docs/book.php