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

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