Be careful! If the form is filled the <</NeedAppearances false>> will not rebuild the appearances and you'll see nothing. You can also use iText to recreate the appearances if needed.
Paulo > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On > Behalf Of Andreas Homrighausen > Sent: Tuesday, May 02, 2006 2:58 PM > To: [email protected] > Subject: Re: [iText-questions] Signing pdf documents > containing forms does not work-Sorry First one without content?! > > Thank you so much! :) > Now I 've a workaround and it works fine. I manually changed > true to false > and the signature appeared! > Is this a acrobat bug? Other tools show the signature even with > > <</NeedAppearances true>> > > Best regards! > Andreas > > > > Paulo Soares schrieb: > > >The problem is the <</NeedAppearances true>> in the acroforms > >dictionary. If it's not there the signature will appear. > > > >Paulo > > > > > > > >>-----Original Message----- > >>From: [EMAIL PROTECTED] > >>[mailto:[EMAIL PROTECTED] On > >>Behalf Of Andreas Homrighausen > >>Sent: Tuesday, May 02, 2006 7:38 AM > >>To: [email protected] > >>Subject: Re: [iText-questions] Signing pdf documents > >>containing forms does not work-Sorry First one without content?! > >> > >>Hi! > >>Thank you all for your help! :) > >>I've installed Foxit PDF Reader and this tool shows the signature! > >>It's hard to believe but this strange signature-behaviour > indicates a > >>bug in Acrobat?! > >>The signature is there but Acrobat tools do not show it :( > >> > >>Andreas > >> > >>Paulo Soares schrieb: > >> > >> > >> > >>>This is really strange. The signature is in the PDF but > >>> > >>> > >>after reading it > >> > >> > >>>with Acrobat the signature disappears from the doc, no trace > >>> > >>> > >>of it. I'll > >> > >> > >>>need to think a bit more about this. > >>> > >>>Paulo > >>> > >>> > >>> > >>> > >>> > >>>>-----Original Message----- > >>>>From: [EMAIL PROTECTED] > >>>>[mailto:[EMAIL PROTECTED] On > >>>>Behalf Of Andreas Homrighausen > >>>>Sent: Friday, April 28, 2006 12:54 PM > >>>>To: [email protected] > >>>>Cc: [EMAIL PROTECTED] > >>>>Subject: Re: [iText-questions] Signing pdf documents > >>>>containing forms does not work-Sorry First one without content?! > >>>> > >>>>Thank you very much! :-) > >>>>Attached you find four pdf-Files: > >>>>Empty page, signed empty page, page with one form and this > >>>>one signed... > >>>> > >>>>Andreas > >>>> > >>>>Paulo Soares schrieb: > >>>> > >>>> > >>>> > >>>> > >>>> > >>>>>It would help to post the original pdf, the pdf with the > >>>>> > >>>>> > >>form and the > >> > >> > >>>>>signed pdf. > >>>>> > >>>>>Paulo > >>>>> > >>>>> > >>>>> > >>>>> > >>>>> > >>>>> > >>>>> > >>>>>>-----Original Message----- > >>>>>>From: [EMAIL PROTECTED] > >>>>>>[mailto:[EMAIL PROTECTED] On > >>>>>>Behalf Of [EMAIL PROTECTED] > >>>>>>Sent: Friday, April 28, 2006 11:57 AM > >>>>>>To: [email protected] > >>>>>>Cc: [EMAIL PROTECTED] > >>>>>>Subject: [iText-questions] Signing pdf documents containing > >>>>>>forms does not work-Sorry First one without content?! > >>>>>> > >>>>>>Hello all. > >>>>>> > >>>>>>I've written a java-method signing pdf-documents (which > >>>>>> > >>>>>> > >>are created > >> > >> > >>>>>>by the tool scribus) using itext. With standard pdf documents > >>>>>>no problems... But if the scribus pdf contains only one form, > >>>>>>something went wrong. The resulting signed pdf doesn't show the > >>>>>>signature although it is in the "pdf-code" (Opened with > >>>>>> > >>>>>> > >>>>>> > >>>>>> > >>>>word-pad ;-) ) > >>>> > >>>> > >>>> > >>>> > >>>>>>Even using the setFormFlattening(true) does not help... > >>>>>>Surprisingly the PDF-Analyzer 2.5 preview-mode shows the digital > >>>>>>signature but all other tools don't. > >>>>>> > >>>>>>Here's the code: > >>>>>> > >>>>>>public static void signDocument(String zertifikat, String > >>>>>>passphrase, String > >>>>>>inputFile, String outputFile, String reason, String location) { > >>>>>> > >>>>>> try { > >>>>>> KeyStore ks = KeyStore.getInstance("pkcs12"); > >>>>>> ks.load(new FileInputStream(zertifikat), > >>>>>>passphrase.toCharArray()); > >>>>>> String alias = (String)ks.aliases().nextElement(); > >>>>>> PrivateKey key = (PrivateKey)ks.getKey(alias, > >>>>>>passphrase.toCharArray()); > >>>>>> Certificate[] chain = ks.getCertificateChain(alias); > >>>>>> PdfReader reader = new PdfReader(inputFile); > >>>>>> FileOutputStream fout = new > >>>>>> > >>>>>> > >>FileOutputStream(outputFile); > >> > >> > >>>>>> PdfStamper stp = > >>>>>>PdfStamper.createSignature(reader, fout, ''); > >>>>>> PdfSignatureAppearance sap = > >>>>>> > >>>>>> > >>>>>> > >>>>>> > >>>>stp.getSignatureAppearance(); > >>>> > >>>> > >>>> > >>>> > >>>>>> sap.setCrypto(key, chain, null, > >>>>>>PdfSignatureAppearance.WINCER_SIGNED); > >>>>>> sap.setReason(reason); > >>>>>> sap.setLocation(location); > >>>>>> sap.setVisibleSignature(new > >>>>>>Rectangle(450,700,550,800), 1, null); > >>>>>> stp.close(); > >>>>>> } catch (Exception e) { > >>>>>> System.out.println(e); > >>>>>> } > >>>>>> } > >>>>>> > >>>>>>Scribus -> new empty page -> pdf -> signing -> signed pdf > >>>>>> > >>>>>> > >>works fine > >> > >> > >>>>>>Scribus -> new empty page -> Insert form -> pdf -> signing -> > >>>>>>signed pdf does > >>>>>>not work, > >>>>>>same configurations... > >>>>>> > >>>>>> > >>>>>>Any ideas? > >>>>>>Thank you very much! > >>>>>> > >>>>>>Greetings from Ol' Germany, > >>>>>>Andreas > >>>>>> > >>>>>> > >>>>>> > >>>>>> > >>>>>> > >>>>>> > >>>>>> > >>>>>> > >>>>>> > >>>>>> > >>>>>> > >>>>>> > >>>>>> > >>>>>> > >>>>>>------------------------------------------------------- > >>>>>>Using Tomcat but need to do more? Need to support web > >>>>>>services, security? > >>>>>>Get stuff done quickly with pre-integrated technology to make > >>>>>>your job easier > >>>>>>Download IBM WebSphere Application Server v.1.0.1 based on > >>>>>>Apache Geronimo > >>>>>>http://sel.as-us.falkag.net/sel?cmd=k&kid0709&bid&3057&dat1642 > >>>>>>_______________________________________________ > >>>>>>iText-questions mailing list > >>>>>>[email protected] > >>>>>>https://lists.sourceforge.net/lists/listinfo/itext-questions > >>>>>> > >>>>>> > >>>>>> > >>>>>> > >>>>>> > >>>>>> > >>>>>> > >>>>>------------------------------------------------------- > >>>>>Using Tomcat but need to do more? Need to support web > >>>>> > >>>>> > >>>>> > >>>>> > >>>>services, security? > >>>> > >>>> > >>>> > >>>> > >>>>>Get stuff done quickly with pre-integrated technology to > >>>>> > >>>>> > >>>>> > >>>>> > >>>>make your job easier > >>>> > >>>> > >>>> > >>>> > >>>>>Download IBM WebSphere Application Server v.1.0.1 based on > >>>>> > >>>>> > >>>>> > >>>>> > >>>>Apache Geronimo > >>>> > >>>> > >>>> > >>>> > >>>>>http://sel.as-us.falkag.net/sel?cmd=k&kid0709&bid&3057&dat1642 > >>>>>_______________________________________________ > >>>>>iText-questions mailing list > >>>>>[email protected] > >>>>>https://lists.sourceforge.net/lists/listinfo/itext-questions > >>>>> > >>>>> > >>>>> > >>>>> > >>>>> > >>>>> > >>>------------------------------------------------------- > >>>Using Tomcat but need to do more? Need to support web > >>> > >>> > >>services, security? > >> > >> > >>>Get stuff done quickly with pre-integrated technology to > >>> > >>> > >>make your job easier > >> > >> > >>>Download IBM WebSphere Application Server v.1.0.1 based on > >>> > >>> > >>Apache Geronimo > >> > >> > >>>http://sel.as-us.falkag.net/sel?cmd=k&kid0709&bid&3057&dat1642 > >>>_______________________________________________ > >>>iText-questions mailing list > >>>[email protected] > >>>https://lists.sourceforge.net/lists/listinfo/itext-questions > >>> > >>> > >>> > >>> > >> > >>------------------------------------------------------- > >>Using Tomcat but need to do more? Need to support web > >>services, security? > >>Get stuff done quickly with pre-integrated technology to make > >>your job easier > >>Download IBM WebSphere Application Server v.1.0.1 based on > >>Apache Geronimo > >>http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&; > >>dat=121642 > >>_______________________________________________ > >>iText-questions mailing list > >>[email protected] > >>https://lists.sourceforge.net/lists/listinfo/itext-questions > >> > >> > >> > > > > > >------------------------------------------------------- > >Using Tomcat but need to do more? Need to support web > services, security? > >Get stuff done quickly with pre-integrated technology to > make your job easier > >Download IBM WebSphere Application Server v.1.0.1 based on > Apache Geronimo > >http://sel.as-us.falkag.net/sel?cmd=k&kid0709&bid&3057&dat1642 > >_______________________________________________ > >iText-questions mailing list > >[email protected] > >https://lists.sourceforge.net/lists/listinfo/itext-questions > > > > > > > > ------------------------------------------------------- > Using Tomcat but need to do more? Need to support web > services, security? > Get stuff done quickly with pre-integrated technology to make > your job easier > Download IBM WebSphere Application Server v.1.0.1 based on > Apache Geronimo > http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&; > dat=121642 > _______________________________________________ > iText-questions mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/itext-questions > ------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid0709&bid&3057&dat1642 _______________________________________________ iText-questions mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/itext-questions
