here is the pdf fyi I work with iText-5.2.1 and bc-15on-146 Thanks a lot and best regards Christian
timestamp_signed_with_itext.pdf
Description: Adobe PDF document
Am 20.04.2012 um 16:19 schrieb Paulo Soares: > 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
------------------------------------------------------------------------------ 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
