ptpavankumar, your ServerSignature implementation of the method public byte[] Sign(byte[] message) completely ignores the message argument. Thus, the generated signature does not at all relate to the PDF in question.
Regards, Michael -- View this message in context: http://itext.2136553.n4.nabble.com/PDFSignature-Document-has-been-altered-since-signature-was-applied-tp2157950p4660799.html Sent from the iText mailing list archive at Nabble.com. ------------------------------------------------------------------------------ BPM Camp - Free Virtual Workshop May 6th at 10am PDT/1PM EDT Develop your own process in accordance with the BPMN 2 standard Learn Process modeling best practices with Bonita BPM through live exercises http://www.bonitasoft.com/be-part-of-it/events/bpm-camp-virtual- event?utm_ source=Sourceforge_BPM_Camp_5_6_15&utm_medium=email&utm_campaign=VA_SF _______________________________________________ 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
