Hi Leonard, thanks for your response. This document is an official document, created and identified by System with his HASH digest. Content of this document can't be modified, but user should be able to sign it and re-upload on system.
The signature should be a CADES or PADES signature, and in case a CADES signature, the system perform the hash matching check. Andrea -- View this message in context: http://itext.2136553.n4.nabble.com/sign-a-prtected-PDF-tp4660802p4660806.html Sent from the iText mailing list archive at Nabble.com. ------------------------------------------------------------------------------ One dashboard for servers and applications across Physical-Virtual-Cloud Widest out-of-the-box monitoring support with 50+ applications Performance metrics, stats and reports that give you Actionable Insights Deep dive visibility with transaction tracing using APM Insight. http://ad.doubleclick.net/ddm/clk/290420510;117567292;y _______________________________________________ iText-questions mailing list iText-questions@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/itext-questions iText(R) is a registered trademark of 1T3XT BVBA. Many questions posted to this list can (and will) be answered with a reference to the iText book: http://www.itextpdf.com/book/ Please check the keywords list before you ask for examples: http://itextpdf.com/themes/keywords.php