LTV timestamp verification should work. Can you post the PDF? Paulo
2012/4/20 Christian Fritschka <christian.fritsc...@abacus.ch>: > Hi @ all, > > i tried the new example (how to verify) and it is still not working. But I > think, not sure, its a problem with BC. Is there anybody with the same > problem or a solution? > > Thanks a lot > Regards > Christian > > Am 05.04.2012 um 20:03 schrieb aszo...@szomor.hu: > >> Dear Christian, >> >> I wrote a test project and I tested it with the newest iTextSharp this >> worked well: >> http://europa.webfiok.hu/Content/Download/iTextSharpPdfSigno.zip >> When you put the >> iTextSharpPdfSigno\iTextSharpPdfSignoApplication\Store\TRootCA2008.crt >> into the trusted CA you can test it yourself. >> >> But I recommend to you too wait for the documentation because I am e >> beginner in the siganature handling. >> >> Attila. >> >> Idézet (Christian Fritschka <christian.fritsc...@abacus.ch>): >> >>> Thanks a lot but it fails also. So I will wait for the documentation. >>> >>> the app prints following: >>> >>> Signature name: Signature1 >>> Signature covers whole document: true >>> Document revision: 1 of 1 >>> day of month: 5 >>> month: 3 >>> year: 2012 >>> hour: 3 >>> minute: 57 >>> Subject: xxx Platinum TSA 2010 - G2 - Unit 01 >>> Document modified: false >>> Timestamp imprint verifies: false >>> Certificate failed: Has unsupported critical extension >>> >>> >>> >>> Am 05.04.2012 um 16:35 schrieb Paulo Soares: >>> >>>> I'll update the documentation this weekend. >>>> >>>> Paulo >>>> >>>> On Thu, Apr 5, 2012 at 3:06 PM, Christian Fritschka >>>> <christian.fritsc...@abacus.ch> wrote: >>>>> Hi all, >>>>> >>>>> once again but with the latest iText vesion. I signed a pdf with >>>>> the example "How to apply verification according to PAdES-LTV" and >>>>> wanted to verify the signed document with example "How to verify". >>>>> Both from "http://itextpdf.sourceforge.net/howtosign.html";. >>>>> >>>>> The validation is ok - a part of it. Because "Timestamp imprint >>>>> verifies:" says all the time "false". >>>>> If I check the signed document in Adobe everthing is fine. But not >>>>> with iText. >>>>> >>>>> Is there a solution how get "Timestamp imprint verifies:" to true? >>>>> >>>>> Thanks a lot >>>>> >>>>> Am 27.01.2012 um 15:34 schrieb mkl: >>>>> >>>>>> Christian, >>>>>> >>>>>> Christian Fritschka wrote >>>>>>> I have a PDF which is signed with a timestamp. When I try to verify the >>>>>>> signature I get the message that this signature is not valid. Especially >>>>>>> when I try to read the signatures date - it's null. >>>>>> >>>>>> iText does not yet fully support PAdES part 4 document time stamps, it >>>>>> generates them but cannot verify them: It finds them but treats them as >>>>>> regular CMS style document signatures. As RFC 3161 style time stamps are >>>>>> very much like CMS signatures this works to a certain degree. But as both >>>>>> the document hash and the time reference are coded in different fields in >>>>>> these styles, the hash value verification fails and the time stamp time >>>>>> cannot be read. >>>>>> >>>>>> If I understood his posts correctly, Paulo started working on >>>>>> PAdES document >>>>>> time stamp verification late December. As long as this kind of >>>>>> verification >>>>>> is not explicitly requested by some paying client, though, it >>>>>> surely is not >>>>>> a high priority project. >>>>>> >>>>>> Regards, Michael >>>>>> >>>>>> -- >>>>>> View this message in context: >>>>>> http://itext-general.2136553.n4.nabble.com/want-to-verify-a-pdf-signed-by-timestamp-tp4327813p4333631.html >>>>>> Sent from the iText - General mailing list archive at Nabble.com. ------------------------------------------------------------------------------ For Developers, A Lot Can Happen In A Second. Boundary is the first to Know...and Tell You. Monitor Your Applications in Ultra-Fine Resolution. Try it FREE! http://p.sf.net/sfu/Boundary-d2dvs2 _______________________________________________ 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
