Are you using the latest iText version? I don't see anything wrong but
I'll have a look this weekend.
Paulo
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On
> Behalf Of [EMAIL PROTECTED]
> Sent: Wednesday, April 16, 2008 2:56 PM
> To: [email protected]
> Subject: [iText-questions] To add one signs digitalis in a
> blank signaturefield
>
> Please, I need that somebody indicates to me that I am making bad.
>
> I need to add a digital signature in a blank signature field
> previously created, in a certified document.
>
> This is my code, but it does not work
>
> Step 1: Add a blank signature field...
>
> stp = new PdfStamper(reader, fout);
> PdfFormField sig =
> PdfFormField.createSignature(stp.getWriter());
> sig.setWidget(new Rectangle(350, 100, 590, 200), null);
> sig.setFieldFlags(PdfAnnotation.FLAGS_PRINT);
> sig.put(PdfName.DA, new PdfString("/Helv 0 Tf 0 g"));
> sig.setFieldName("Signature1");
> sig.setPage(1);
> stp.addAnnotation(sig, cant_paginas);
>
> Step 2: I sign the document with certification level
> CERTIFIED_FORM_FILLING_AND_ANNOTATIONS
>
> stp = PdfStamper.createSignature(reader, fout,
> '\0',null,true);
> PdfSignatureAppearance sap = stp.getSignatureAppearance();
> sap.setCrypto(key, chain,
> null,PdfSignatureAppearance.WINCER_SIGNED);
> sap.setReason(razon);
> sap.setLocation(localidad);
>
> sap.setCertificationLevel(PdfSignatureAppearance.CERTIFIED_FOR
> M_FILLING_AND_ANNOTATIONS);
>
> // comentar las siguientes dos lineas si se quiere una
> firma invisible
> int cant_paginas = reader.getNumberOfPages();
>
> sap.setVisibleSignature(rectangulo, cant_paginas, null);
> stp.close();
>
> Step 3: Add a Signature en blank signature field.
>
> stp = PdfStamper.createSignature(reader, fout, '\0',new
> File("temp"),true);
> PdfSignatureAppearance sap =
> stp.getSignatureAppearance();
>
> sap.setCrypto(key, chain, null,
> PdfSignatureAppearance.WINCER_SIGNED);
> sap.setReason(new String(razon));
> sap.setLocation(new String(localidad));
> sap.setVisibleSignature("Signature1");
> stp.close();
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