Error while saving pdf file after applying it digital sign

[[email protected]]

The below is my code where i am applying digital sign to the existing pdf file.But when i am trying document.SaveTofile() it is giving me the error as- Index was outside the bounds of the array.
Please help me.The below is code-

Code: Select all

            Spire.Pdf.PdfDocument spireDoc = new Spire.Pdf.PdfDocument();
            spireDoc.LoadFromFile(pdfFileName);
            Spire.Pdf.PdfPageBase pageBase = spireDoc.Pages[0];
            String pfxPath = "certificate1.cer";
            PdfCertificate digi = new PdfCertificate(pfxPath, "password");
            Spire.Pdf.Security.PdfSignature signature = new Spire.Pdf.Security.PdfSignature(spireDoc, pageBase, digi, "S");
            signature.ContactInfo = "Swapnil";
            signature.Certificated = true;
            signature.DocumentPermissions = PdfCertificationFlags.AllowFormFill;
            try
            {
                spireDoc.SaveToFile(@"C:\development\Booklet.pdf", FileFormat.PDF);
                spireDoc.Close();
            }


[amy.zhao]

Hi,

Thanks for your posting and using our Spire.PDF.
To help us replicate the error on our side and resolve it soon, could you please share your pdf file and certificate file here?
You can also send them to [email protected].
Thank you.

Best Regards,
Amy
E-iceblue support team