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From John Hewson <j...@jahewson.com>
Subject Re: Signature failing on some documents
Date Fri, 09 Jan 2015 22:42:09 GMT
Hi,

Our mailing list doesn’t support attachments. Can you open a bug report on
JIRA and attach your PDFs via “More > Attach Files”.

Please include copies of the PDF files from before and after signing.

Thanks,

-- John

> On 9 Jan 2015, at 13:27, Ruben Lagar <ruben.lagar@gmail.com> wrote:
> 
> Hello all,
> 
> I have a piece of code doing visual signatures correctly on some documents.
> But on some other documents the inserted signature is not valid.
> 
> The code is exactly the same, the certificates used are the same, the only
> thing that changes is the input file.
> 
> Could somebody give me a hand figuring out what can cause this? I can
> attach examples of the files.
> 
> The code I´m using is
> 
> *        PDSignature signature = new PDSignature();*
> *        signature.setFilter(PDSignature.FILTER_ADOBE_PPKLITE); // default
> filter*
> *        // subfilter for basic and PAdES Part 2 signatures*
> *        signature.setSubFilter(PDSignature.SUBFILTER_ADBE_PKCS7_DETACHED);*
> *        signature.setName(signerName);*
> 
> *        // the signing date, needed for valid signature*
> *        signature.setSignDate(Calendar.getInstance());*
> 
> *        // load document*
> *        PDDocument doc = null;*
> *        SignatureOptions options = null;*
> *        try {*
> *            ByteArrayInputStream bais = null;*
> *            try {*
> *                bais = new ByteArrayInputStream(content);*
> *                doc = PDDocument.load(bais);*
> *            } finally {*
> *                IOUtils.closeQuietly(bais);*
> *            }*
> 
> *            FileInputStream image = new FileInputStream("stamp.jpg");*
> 
> *            PDVisibleSignDesigner visibleSig = new
> PDVisibleSignDesigner(doc, image, 1);*
> *
> visibleSig.xAxis(50).yAxis(50).zoom(50).signatureFieldName("signature");*
> *            visibleSig.height(37);*
> *            visibleSig.width(70);*
> 
> *            PDVisibleSigProperties signatureProperties = new
> PDVisibleSigProperties();*
> 
> *
> signatureProperties.signerName("name").signerLocation("location").signatureReason("Security").preferredSize(0)*
> *
> .page(1).visualSignEnabled(true).setPdVisibleSignature(visibleSig).buildSignature();*
> 
> *            options = new SignatureOptions();*
> *            options.setVisualSignature(signatureProperties);*
> *            options.setPage(signatureProperties.getPage());*
> *
> options.setPreferedSignatureSize(signatureProperties.getPreferredSize());*
> 
> *            // register signature dictionary and sign interface*
> *            doc.addSignature(signature, this, options);*
> 
> *            // write incremental (only for signing purpose)*
> *            ByteArrayOutputStream fos = null;*
> *            ByteArrayInputStream bais2 = null;*
> *            try {*
> *                // Write the array to a file*
> *                fos = new ByteArrayOutputStream();*
> *                bais2 = new ByteArrayInputStream(content);*
> *                doc.saveIncremental(bais2, fos);*
> *            } finally {*
> *                IOUtils.closeQuietly(bais2);*
> *                IOUtils.closeQuietly(fos);*
> *            }*
> 
> *            return fos.toByteArray();*
> *        } finally {*
> *            if (options != null) {*
> *                options.close();*
> *            }*
> 
> *            if (doc != null) {*
> *                doc.close();*
> *            }*
> *        }*
> 
> The input file is passed in the byte array named "content".
> 
> I would appreciate any help!


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