Sign Document

Adds a digital signature to a PDF document.

Code

using DRIT.Pdf;

using var doc = new PdfDocument();
var page = doc.Pages.Add(PdfPageSize.A4);
page.Content.DrawText("Signed document", new PdfPoint(100, 700));

// Add a signature field
var signature = doc.Forms.AddSignature(new PdfRect(100, 600, 200, 50), "signature1");

// Sign the document
doc.Sign(signature, new PdfSigningOptions
{
    // Signing options here
});

doc.Save("signed.pdf");

Output