What version of Adobe Reader on what OS platform are you finding is  
ignoring your timestamp?   Can you send me a PDF that demonstrates the  
problem?

Leonard

On Jun 10, 2008, at 4:02 AM, mursitorhan wrote:

>
> Hi all,
>
> We want to sign and add a timestamp to a PDF. We are using itext,  
> signing
> externally (with smartcard) and adding
> time stamp as unauthenticated attribute (like ________ ).
>
> When we open the signed document, Adobe reader shows the  
> signature(verified)
> but in the details, there is no timestamp
> information.
>
> We are hashing the result of sign operation and using it as imprint  
> which is
> sent to timestamp server.
>
>> From the internet, we found some example PDF's with timestamp. When  
>> we
> compare our PDF with these,
> there is no observable differences in the PKCS7 structure.
>
> Is there a way to write down to PDF that PDF is timestamped? Why  
> does the
> Adobe reader ignore timestamp?
> What can be the problem?
> -- 
> View this message in context: 
> http://www.nabble.com/Why-does-Adobe-ignore-timestamp--tp17749889p17749889.html
> Sent from the iText - General mailing list archive at Nabble.com.
>
>
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