SignWithP12.cs
- //
- // This code is part of Document Solutions for PDF demos.
- // Copyright (c) MESCIUS inc. All rights reserved.
- //
- using System;
- using System.IO;
- using System.Drawing;
- using System.Text;
- using System.Collections.Generic;
- using System.Security.Cryptography;
- using System.Security.Cryptography.X509Certificates;
-
- using GrapeCity.Documents.Pdf;
- using GrapeCity.Documents.Pdf.Security;
- using GrapeCity.Documents.Pdf.AcroForms;
- using GrapeCity.Documents.Text;
-
-
- namespace DsPdfWeb.Demos
- {
- // This sample shows how to sign a PDF with a .p12 file
- // containing a digital certificate that uses PKCS#12
- // (Public Key Cryptography Standard #12) encryption.
- public class SignWithP12
- {
- public int CreatePDF(Stream stream)
- {
- var doc = new GcPdfDocument();
- using var s = File.OpenRead(Path.Combine("Resources", "PDFs", "SignWithP12.pdf"));
- doc.Load(s);
-
- var p12 = Path.Combine("Resources", "Misc", "DsPdfTest2KeyStore.p12");
- var sp = new SignatureProperties()
- {
- SignatureBuilder = new Pkcs7SignatureBuilder()
- {
- CertificateChain = SecurityUtils.GetCertificateChain(p12, "qq"),
- },
- SignatureField = doc.AcroForm.Fields[0],
- };
- sp.SignatureAppearance.Caption = "PKCS #12";
- doc.Sign(sp, stream);
-
- // Done.
- return doc.Pages.Count;
- }
- }
- }
-