Hi Paulo Thanks a lot for the tip. I tried it but it didn't change the behavior even when using the BouncyCastle 1.49. verify() still returns false.
Regards Stephan On 04.07.2013 19:17, Paulo Soares wrote: > Make sure that you are using BouncyCastle 1.49. There was a problem > with 1.48 with some certificates. > > Paulo > > On Thu, Jul 4, 2013 at 5:40 PM, Stephan Wagner (calac) > <stephan.wag...@calac.net> wrote: >> Hi, first of all I'm not what one calls a digital signature expert but I'm >> wondering if somebody might have a solution for the problem I ran into. >> >> Problem description: >> >> If I try to verify a digitally signed PDF with iText (5.4.2) verify() always >> returns false (wrong result) >> If I try to verify the same PDF with iTextSharp (5.4.2) Verify() returns >> true (expected result) >> The digital signature is also valid in Acrobat Reader (Xi) (expected result) >> >> When I copy the file and tamper it, iTextSharp Verify() returns false >> (expected result), just to make sure it doesn't return true all the time. >> >> I already tried different versions back to 5.3.0, and wasn't able to get the >> PDF verified from Java. >> >> I tried to attach a sample file, but don't know if it worked... >> >> Thanks a lot >> Stephan >> >> ------------------------------------------------------------------------------ >> This SF.net email is sponsored by Windows: >> >> Build for Windows Store. >> >> http://p.sf.net/sfu/windows-dev2dev >> _______________________________________________ >> 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 > ------------------------------------------------------------------------------ > This SF.net email is sponsored by Windows: > > Build for Windows Store. > > http://p.sf.net/sfu/windows-dev2dev > _______________________________________________ > 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 ------------------------------------------------------------------------------ This SF.net email is sponsored by Windows: Build for Windows Store. http://p.sf.net/sfu/windows-dev2dev _______________________________________________ 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