We finally found that our timestamp server was not producing valid timestamps. After correcting the server the problem is gone.
thanks 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--tp17749889p17798955.html Sent from the iText - General mailing list archive at Nabble.com. ------------------------------------------------------------------------- Check out the new SourceForge.net Marketplace. It's the best place to buy or sell services for just about anything Open Source. http://sourceforge.net/services/buy/index.php _______________________________________________ iText-questions mailing list iText-questions@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/itext-questions Do you like iText? Buy the iText book: http://www.1t3xt.com/docs/book.php Or leave a tip: https://tipit.to/itexttipjar