/// <summary>
/// PDF imzalar.
/// </summary>
/// <param name="request"></param>
/// <param name="PDFContent"></param>
/// <returns></returns>
public byte[] SignPDF(PdfRequestDTO request
, byte[] PDFContent
)
{
//if (PDFContent == null || request == null)
//{
// return null;
//}
X509Certificate2 signingCertificate;
IExternalSignature externalSignature;
this.SelectSignature(request, out signingCertificate, out externalSignature);
X509Certificate2[] chain = generateCertificateChain(signingCertificate);
ICollection <X509Certificate> Bouncychain = chainToBouncyCastle(chain);
ocsp = new OcspClientBouncyCastle();
crl = new ITextSharp.iTextSharp.text.pdf.security.CrlClientOnline(Bouncychain);
PdfReader pdfReader = new PdfReader(PDFContent);
MemoryStream stream = new MemoryStream();
PdfStamper pdfStamper = PdfStamper.CreateSignature(pdfReader, stream, '\0', "", true);
PdfSignatureAppearance signatureAppearance = pdfStamper.SignatureAppearance;
crlList = new List <ICrlClient>();
crlList.Add(crl);
lock (lockSign)
{
ITextSharp.iTextSharp.text.pdf.security.MakeSignature.SignDetached(signatureAppearance, externalSignature, Bouncychain, crlList, ocsp, null, 0, CryptoStandard.CMS);
}
return(stream.ToArray());
}
public Form1()
{
InitializeComponent();
requestDTO = new PdfRequestDTO();
bckWorker.DoWork += bckWorker_doWork;
bckWorker.RunWorkerCompleted += bckWorker_RunWorkerCompleted;
}
public void SignPdf(PdfRequestDTO requestDTO)
{
try
{
var pdfContentWithSign = _pdfSigner.SignPDF(requestDTO, requestDTO.pdfContent);
System.IO.File.WriteAllBytes("C:\\pdf_withDigital_Sign.pdf", pdfContentWithSign);
}
catch (Exception ex)
{
throw new Exception("Dosyanın imzalanması sırasında bir hata oluştu.");
}
}
private void SelectSignature(
PdfRequestDTO request,
out X509Certificate2 CERTIFICATE,
out IExternalSignature externalSignature)
{
try
{
SmartCardManager smartCardManager = SmartCardManager.getInstance();
var smartCardCertificate = smartCardManager.getSignatureCertificate(false, false);
var signer = smartCardManager.getSigner(request.DonglePassword, smartCardCertificate);
CERTIFICATE = smartCardCertificate.asX509Certificate2();
externalSignature = new SmartCardSignature(signer, CERTIFICATE, "SHA-256");
}
catch (Exception ex)
{
CERTIFICATE = null;
externalSignature = null;
MessageBox.Show(ex.Message);
}
}
