public void Sign(String src, String dest, ICollection <X509Certificate> chain,
CryptoStandard subfilter, String reason, String location)
{
// Creating the reader and the stamper
PdfReader reader = new PdfReader(src);
FileStream os = new FileStream(dest, FileMode.Create);
PdfStamper stamper = PdfStamper.CreateSignature(reader, os, '\0');
// Creating the appearance
PdfSignatureAppearance appearance = stamper.SignatureAppearance;
appearance.Reason = reason;
appearance.Location = location;
appearance.SetVisibleSignature(new Rectangle(36, 748, 144, 780), 1, "sig");
// Creating the signature
IExternalSignature signature = new ServerSignature();
MakeSignature.SignDetached(appearance, signature, chain, null, null, null, 0, subfilter);
}
public void Sign(String src, String dest, X509Certificate[] chain, PdfSigner.CryptoStandard subfilter,
String reason, String location)
{
PdfReader reader = new PdfReader(src);
PdfSigner signer = new PdfSigner(reader, new FileStream(dest, FileMode.Create), new StampingProperties());
// Create the signature appearance
Rectangle rect = new Rectangle(36, 648, 200, 100);
PdfSignatureAppearance appearance = signer.GetSignatureAppearance();
appearance
.SetReason(reason)
.SetLocation(location)
.SetPageRect(rect)
.SetPageNumber(1);
signer.SetFieldName("sig");
IExternalSignature pks = new ServerSignature();
// Sign the document using the detached mode, CMS or CAdES equivalent.
signer.SignDetached(pks, chain, null, null, null, 0, subfilter);
}
