PdfSignatureAppearance.SignDate = DateTime.Now PdfSignatureAppearance.Location = " Lisboa, Portugal" PdfSignatureAppearance.Reason = "Este documento está assinado digitalmente pelo Estado Portugues" PdfSignatureAppearance.SetCrypto(pk, new Org.Bounc圜509Certificate, null, PdfSignatureAppearance.WINCER_SIGNED) PdfSignatureAppearance pdfSignatureAppearance = stamper.SignatureAppearance PdfStamper stamper = PdfStamper.CreateSignature(pdfReader, output, '\0') ![]() PdfReader pdfReader = new PdfReader(pdf) Org.Bounc圜509Certificate bcCert = Org.Bounc圜509Certificate(cert1) Var pk = Org.Bounc圜(cert1.PrivateKey).Private X509Certificate2 cert1 = new "12345", X509KeyStorageFlags.Exportable) Using (MemoryStream output = new MemoryStream()) Null, null, null, 0, CryptoStandard.CMS) Īs you can see: I have everything but the signature, and I'm stumped as to how I should obtain it! MakeSignature.SignDetached(sap, signature, chain, // the important stuff IExternalSignature signature = null /* ? */ Ok, that's the certificate chain done. iTextSharp needs this cert as a Bounc圜astle X509 object this converts it.īcX509.X509Certificate bcCert = DotNetUtils.FromX509Certificate(cert) X509CertificateCollection certCollection =Ĭ(X509FindType.FindBySubjectName, Var certStore = new X509Store(StoreName.My, StoreLocation.LocalMachine) PdfSignatureAppearance sap = stamper.SignatureAppearance PdfReader reader = new stamper = PdfStamper.CreateSignature(reader, Here's what I have so far (comments added for posterity, since this might be the most complete and recent version of how to do this on the 'net): using In iText 5.3.0, the API has changed, and SetCrypto is no longer a thing. There is a previous question on signing using a certificate from the Windows Cert Store, except it was using a version of the API where SetCrypto still exists, and the signature was apparently optional. pfx file sitting around on your PC somewhere. Rahul Singla has written a beautiful example of how to sign a PDF document using the new iText 5.3.0 API - as long as you can access a. I have been digging around all day trying to figure it out, and I am so close yet so far away.Īll that is missing is this: How do I get an IExternalSignature object to sign the PDF file with? The automatic update function can be disabled under “Settings -> Advanced”.I need to sign a PDF document using a certificate that exists in the Windows Certificate Store. Legacy version 4.3.2 is end-of-life, will not be maintained and should only be used on 32-Bit systems. Only the latest version includes recent fixes and newly implemented features. End of support for 32 bit operating systems.Ability to remember password in memory between signatures.Support for ID-Austria-registered Fido2 certified tokens as second factor. ![]() ![]()
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