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#How to insert signature in pdf chrome apk#
#How to insert signature in pdf chrome update#
#How to insert signature in pdf chrome code#

One can resolve the situation by forcing iText not to create an object stream here. Thus, Chrome is not aware of the added signature and its appearance. IText, on the other hand, puts nearly all its changes during signing into an object stream.

#How to insert signature in pdf chrome update#

Var cert2 = new "mypassword", X509KeyStorageFlags.Exportable) ĬertificatePdfSigner certPdfSigner = new CertificatePdfSigner(certificateSignatureConfiguration) īyte signedPdf = .SingPdfUsingCertificate(cert2, signedPdf) Ĭhrome appears to not read object streams of hybrid reference PDFs, in particular not in the incremental update added during signature creation. Var certificateSignatureConfiguration = new CertificateSignatureConfiguration() Private static void SignDocumentUsingCertificateConfiguration() Signer.SignDetached(pks, chain, null, null, null, 0, ) Rectangle pr = new Rectangle(10, 10, 200, 100) Īppearance.SetRenderingMode() PdfSignatureAppearance appearance = signer.GetSignatureAppearance() PdfSigner signer = new PdfSigner(reader, fout, sp) StampingProperties sp = new StampingProperties() Using (MemoryStream fout = new MemoryStream()) Using (PdfReader reader = new PdfReader(new MemoryStream(pdfToSign))) Var cp = new Org.Bounc圜509CertificateParser() IExternalSignature pks = new PrivateKeySignature(apk, DigestAlgorithms.SHA512)

#How to insert signature in pdf chrome apk#

Var apk = Org.Bounc圜(cert2.PrivateKey).Private Public static byte SingPdfUsingCertificate(X509Certificate2 cert2, byte pdfToSign)

#How to insert signature in pdf chrome code#

The following code sample will sign a pdf document using a local certificate and place some text into the SignatureAppearance which is not shown in chrome. !AkROTDoCWFJnkd5W5P3MCbb8fwLASA?e=zsmks0.Pdf which doesn't show signature in chrome.

!AkROTDoCWFJnkd5VOFjUHZfpQXzJWQ?e=MeyZje.

If i open the first pdf in chrome, the signature appearance text is not shown, but if i open the pdf which was initially created using word, the signature apperance is missing.Īny ideas on whats wrong with the pdf which doesn't show the signature appearance in chrome? edit: Links to the documents The second image is a demo pdf i just downloaded random. The first image is a pdf created using word and the save as pdf functionality. The produced pdf shows this appearance if i open it using adobe reader. This is described in the digital signature book chapter 2.4 Creating different signature appearances. In addition to the digital signature, i want to show a visual representation on the pdf. This works without problems, and the signature is shown as valid. I am using iText 7 to sign pdf documents.