986143: Updated the SignedName details also in the Signature information in Digital Signature

Author: sameerkhan001

Digital Signature/Add-a-digital-signature-to-an-existing-document/.NET/Add-a-digital-signature-to-an-existing-document/Program.cs

@@ -1,18 +1,13 @@
-// See https://aka.ms/new-console-template for more information
-
-using Syncfusion.Drawing;
+using Syncfusion.Drawing;
 using Syncfusion.Pdf;
 using Syncfusion.Pdf.Graphics;
 using Syncfusion.Pdf.Interactive;
 using Syncfusion.Pdf.Parsing;
 using Syncfusion.Pdf.Security;
 
-//Open existing PDF document as stream
-using (FileStream inputStream = new FileStream(Path.GetFullPath(@"Data/Input.pdf"), FileMode.Open, FileAccess.Read))
+//Open existing PDF document
+using (PdfLoadedDocument loadedDocument = new PdfLoadedDocument(@"Data/Input.pdf"))
 {
-    // Load the existing PDF document
-    PdfLoadedDocument loadedDocument = new PdfLoadedDocument(inputStream);
-
     // Gets the first page of the document
     PdfPageBase page = loadedDocument.Pages[0];
 
@@ -25,6 +20,7 @@
 
     // Set signature information
     signature.Bounds = new RectangleF(227.6355f, 675.795044f, 150.57901f, 32.58f);
+    signature.SignedName = "Syncfusion";
     signature.ContactInfo = "[email protected]";
     signature.LocationInfo = "Honolulu, Hawaii";
     signature.Reason = "I am the author of this document.";
@@ -36,14 +32,8 @@
     // Draw the image on the signature field
     signature.Appearance.Normal.Graphics.DrawImage(signatureImage, new RectangleF(0, 0, signature.Bounds.Width, signature.Bounds.Height));
 
-    // Save the document to a file stream
-    using (FileStream outputFileStream = new FileStream(Path.GetFullPath(@"Output/Output.pdf"), FileMode.Create, FileAccess.ReadWrite))
-    {
-        loadedDocument.Save(outputFileStream);
-    }
-
-    //Close the document.
-    loadedDocument.Close(true);
+    // Save the PDF document
+    document.Save(Path.GetFullPath(@"Output/Output.pdf"));
     certificateStream.Dispose();
     imageStream.Dispose();
 }

Digital Signature/Add-a-digital-signature-to-the-PDF-document/.NET/Add-a-digital-signature-to-the-PDF-document/Program.cs

@@ -1,47 +1,41 @@
-// See https://aka.ms/new-console-template for more information
-
-using Syncfusion.Drawing;
+using Syncfusion.Drawing;
 using Syncfusion.Pdf;
 using Syncfusion.Pdf.Graphics;
 using Syncfusion.Pdf.Security;
 
 //Creates a new PDF document.
-PdfDocument document = new PdfDocument();
-
-//Adds a new page.
-PdfPageBase page = document.Pages.Add();
+using (PdfDocument document = new PdfDocument())
+{
+    //Adds a new page.
+    PdfPageBase page = document.Pages.Add();
 
-//Create graphics for the page. 
-PdfGraphics graphics = page.Graphics;
+    //Create graphics for the page. 
+    PdfGraphics graphics = page.Graphics;
 
-//Creates a certificate instance from PFX file with private key.
-FileStream certificateStream = new FileStream(Path.GetFullPath(@"Data/PDF.pfx"), FileMode.Open, FileAccess.Read);
-PdfCertificate pdfCert = new PdfCertificate(certificateStream, "syncfusion");
+    //Creates a certificate instance from PFX file with private key.
+    FileStream certificateStream = new FileStream(Path.GetFullPath(@"Data/PDF.pfx"), FileMode.Open, FileAccess.Read);
+    PdfCertificate pdfCert = new PdfCertificate(certificateStream, "syncfusion");
 
-//Creates a digital signature.
-PdfSignature signature = new PdfSignature(document, page, pdfCert, "Signature");
+    //Creates a digital signature.
+    PdfSignature signature = new PdfSignature(document, page, pdfCert, "Signature");
 
-//Sets an image for signature field.
-FileStream imageStream = new FileStream(Path.GetFullPath(@"Data/signature.png"), FileMode.Open, FileAccess.Read);
+    //Sets an image for signature field.
+    FileStream imageStream = new FileStream(Path.GetFullPath(@"Data/signature.png"), FileMode.Open, FileAccess.Read);
 
-//Sets an image for signature field.
-PdfBitmap signatureImage = new PdfBitmap(imageStream);
+    //Sets an image for signature field.
+    PdfBitmap signatureImage = new PdfBitmap(imageStream);
 
-//Sets signature information.
-signature.Bounds = new RectangleF(new PointF(0, 0), new SizeF(100,100));
-signature.ContactInfo = "[email protected]";
-signature.LocationInfo = "Honolulu, Hawaii";
-signature.Reason = "I am author of this document.";
+    //Sets signature information.
+    signature.Bounds = new RectangleF(new PointF(0, 0), new SizeF(100, 100));
+    signature.SignedName = "Syncfusion";
+    signature.ContactInfo = "[email protected]";
+    signature.LocationInfo = "Honolulu, Hawaii";
+    signature.Reason = "I am author of this document.";
 
-//Draw the image in signature appearance. 
-signature.Appearance.Normal.Graphics.DrawImage(signatureImage, new RectangleF(0,0,100,100));
+    //Draw the image in signature appearance. 
+    signature.Appearance.Normal.Graphics.DrawImage(signatureImage, new RectangleF(0, 0, 100, 100));
 
-//Create file stream.
-using (FileStream outputFileStream = new FileStream(Path.GetFullPath(@"Output/Output.pdf"), FileMode.Create, FileAccess.ReadWrite))
-{
-    //Save the PDF document to file stream.
-    document.Save(outputFileStream);
-}
+    //Save the PDF document
+    document.Save(Path.GetFullPath(@"Output/Output.pdf"));
 
-//Close the document.
-document.Close(true);
+}

Digital Signature/Add-digital-signature-using-X509Certificate2/.NET/Add-digital-signature-using-X509Certificate2/Program.cs

@@ -1,46 +1,41 @@
-// See https://aka.ms/new-console-template for more information
-
-using Syncfusion.Drawing;
+using Syncfusion.Drawing;
 using Syncfusion.Pdf;
 using Syncfusion.Pdf.Graphics;
 using Syncfusion.Pdf.Security;
 using System.Security.Cryptography.X509Certificates;
 
 //Creates a new PDF document.
-PdfDocument document = new PdfDocument();
+using (PdfDocument document = new PdfDocument())
+{
 
-//Adds a new page.
-PdfPage page = document.Pages.Add();
+    //Adds a new page.
+    PdfPage page = document.Pages.Add();
 
-//Create graphics for the page. 
-PdfGraphics graphics = page.Graphics;
+    //Create graphics for the page. 
+    PdfGraphics graphics = page.Graphics;
 
-//Creates a certificate instance from PFX file with private key.
-X509Certificate2 certificate = new X509Certificate2(Path.GetFullPath(@"Data/PDF.pfx"), "syncfusion");
-PdfCertificate pdfCertificate = new PdfCertificate(certificate);
+    //Creates a certificate instance from PFX file with private key.
+    X509Certificate2 certificate = new X509Certificate2(Path.GetFullPath(@"Data/PDF.pfx"), "syncfusion");
+    PdfCertificate pdfCertificate = new PdfCertificate(certificate);
 
-//Creates a digital signature.
-PdfSignature signature = new PdfSignature(document, page, pdfCertificate, "Signature");
+    //Creates a digital signature.
+    PdfSignature signature = new PdfSignature(document, page, pdfCertificate, "Signature");
 
-//Sets an image for signature field.
-FileStream imageStream = new FileStream(Path.GetFullPath(@"Data/signature.png"), FileMode.Open, FileAccess.Read);
-PdfBitmap signatureImage = new PdfBitmap(imageStream);
+    //Sets an image for signature field.
+    FileStream imageStream = new FileStream(Path.GetFullPath(@"Data/signature.png"), FileMode.Open, FileAccess.Read);
+    PdfBitmap signatureImage = new PdfBitmap(imageStream);
 
-//Sets signature information.
-signature.Bounds = new RectangleF(new PointF(0, 0), signatureImage.PhysicalDimension);
-signature.ContactInfo = "[email protected]";
-signature.LocationInfo = "Honolulu, Hawaii";
-signature.Reason = "I am author of this document.";
+    //Sets signature information.
+    signature.Bounds = new RectangleF(new PointF(0, 0), signatureImage.PhysicalDimension);
+    signature.SignedName = "Syncfusion";
+    signature.ContactInfo = "[email protected]";
+    signature.LocationInfo = "Honolulu, Hawaii";
+    signature.Reason = "I am author of this document.";
 
-//Draws the signature image.
-signature.Appearance.Normal.Graphics.DrawImage(signatureImage, 0, 0);
+    //Draws the signature image.
+    signature.Appearance.Normal.Graphics.DrawImage(signatureImage, 0, 0);
 
-//Create file stream.
-using (FileStream outputFileStream = new FileStream(Path.GetFullPath(@"Output/Output.pdf"), FileMode.Create, FileAccess.ReadWrite))
-{
-    //Save the PDF document to file stream.
-    document.Save(outputFileStream);
-}
+    // Save the PDF document
+    document.Save(Path.GetFullPath(@"Output/Output.pdf"));
 
-//Close the document.
-document.Close(true);
+}

Digital Signature/Add-digital-signature-with-digest-algorithm/.NET/Add-digital-signature-with-digest-algorithm/Program.cs

@@ -1,51 +1,46 @@
-// See https://aka.ms/new-console-template for more information
-
-using Syncfusion.Drawing;
+using Syncfusion.Drawing;
 using Syncfusion.Pdf;
 using Syncfusion.Pdf.Graphics;
 using Syncfusion.Pdf.Security;
 
 //Creates a new PDF document.
-PdfDocument document = new PdfDocument();
+using (PdfDocument document = new PdfDocument())
+{
 
-//Adds a new page.
-PdfPageBase page = document.Pages.Add();
+    //Adds a new page.
+    PdfPageBase page = document.Pages.Add();
 
-//Create graphics with the page. 
-PdfGraphics graphics = page.Graphics;
+    //Create graphics with the page. 
+    PdfGraphics graphics = page.Graphics;
 
-//Creates a certificate instance from PFX file with private key.
-FileStream certificateStream = new FileStream(Path.GetFullPath(@"Data/PDF.pfx"), FileMode.Open, FileAccess.Read);
-PdfCertificate pdfCert = new PdfCertificate(certificateStream, "syncfusion");
+    //Creates a certificate instance from PFX file with private key.
+    FileStream certificateStream = new FileStream(Path.GetFullPath(@"Data/PDF.pfx"), FileMode.Open, FileAccess.Read);
+    PdfCertificate pdfCert = new PdfCertificate(certificateStream, "syncfusion");
 
-//Creates a digital signature.
-PdfSignature signature = new PdfSignature(document, page, pdfCert, "Signature");
+    //Creates a digital signature.
+    PdfSignature signature = new PdfSignature(document, page, pdfCert, "Signature");
 
-//Sets signature settings to customize digest algorithm specified.
-PdfSignatureSettings settings = signature.Settings;
-settings.DigestAlgorithm = DigestAlgorithm.SHA256;
+    //Sets signature settings to customize digest algorithm specified.
+    PdfSignatureSettings settings = signature.Settings;
+    settings.DigestAlgorithm = DigestAlgorithm.SHA256;
 
-//Sets an image for signature field.
-FileStream imageStream = new FileStream(Path.GetFullPath(@"Data/signature.png"), FileMode.Open, FileAccess.Read);
+    //Sets an image for signature field.
+    FileStream imageStream = new FileStream(Path.GetFullPath(@"Data/signature.png"), FileMode.Open, FileAccess.Read);
 
-//Sets an image for signature field.
-PdfBitmap signatureImage = new PdfBitmap(imageStream);
+    //Sets an image for signature field.
+    PdfBitmap signatureImage = new PdfBitmap(imageStream);
 
-//Sets signature information.
-signature.Bounds = new RectangleF(new PointF(0, 0), signatureImage.PhysicalDimension);
-signature.ContactInfo = "[email protected]";
-signature.LocationInfo = "Honolulu, Hawaii";
-signature.Reason = "I am author of this document.";
+    //Sets signature information.
+    signature.Bounds = new RectangleF(new PointF(0, 0), signatureImage.PhysicalDimension);
+    signature.SignedName = "Syncfusion";
+    signature.ContactInfo = "[email protected]";
+    signature.LocationInfo = "Honolulu, Hawaii";
+    signature.Reason = "I am author of this document.";
 
-//Draws the signature image.
-signature.Appearance.Normal.Graphics.DrawImage(signatureImage, 0, 0);
+    //Draws the signature image.
+    signature.Appearance.Normal.Graphics.DrawImage(signatureImage, 0, 0);
 
-//Create file stream.
-using (FileStream outputFileStream = new FileStream(Path.GetFullPath(@"Output/Output.pdf"), FileMode.Create, FileAccess.ReadWrite))
-{
-    //Save the PDF document to file stream.
-    document.Save(outputFileStream);
-}
+    // Save the PDF document
+    document.Save(Path.GetFullPath(@"Output/Output.pdf"));
 
-//Close the document. 
-document.Close(true);
+}

Digital Signature/Adding-a-digital-signature-with-CAdES-format/.NET/Adding-a-digital-signature-with-CAdES-format/Program.cs

@@ -1,51 +1,46 @@
-// See https://aka.ms/new-console-template for more information
-
-using Syncfusion.Drawing;
+using Syncfusion.Drawing;
 using Syncfusion.Pdf;
 using Syncfusion.Pdf.Graphics;
 using Syncfusion.Pdf.Security;
 
 //Creates a new PDF document.
-PdfDocument document = new PdfDocument();
+using (PdfDocument document = new PdfDocument())
+{
 
-//Adds a new page.
-PdfPageBase page = document.Pages.Add();
+    //Adds a new page.
+    PdfPageBase page = document.Pages.Add();
 
-//Create graphics 
-PdfGraphics graphics = page.Graphics;
+    //Create graphics 
+    PdfGraphics graphics = page.Graphics;
 
-//Creates a certificate instance from PFX file with private key.
-FileStream certificateStream = new FileStream(Path.GetFullPath(@"Data/PDF.pfx"), FileMode.Open, FileAccess.Read);
-PdfCertificate pdfCert = new PdfCertificate(certificateStream, "syncfusion");
+    //Creates a certificate instance from PFX file with private key.
+    FileStream certificateStream = new FileStream(Path.GetFullPath(@"Data/PDF.pfx"), FileMode.Open, FileAccess.Read);
+    PdfCertificate pdfCert = new PdfCertificate(certificateStream, "syncfusion");
 
-//Creates a digital signature.
-PdfSignature signature = new PdfSignature(document, page, pdfCert, "Signature");
+    //Creates a digital signature.
+    PdfSignature signature = new PdfSignature(document, page, pdfCert, "Signature");
 
-//Sets signature settings to customize cryptographic standard specified.
-PdfSignatureSettings settings = signature.Settings;
-settings.CryptographicStandard = CryptographicStandard.CADES;
+    //Sets signature settings to customize cryptographic standard specified.
+    PdfSignatureSettings settings = signature.Settings;
+    settings.CryptographicStandard = CryptographicStandard.CADES;
 
-//Sets an image for signature field.
-FileStream imageStream = new FileStream(Path.GetFullPath(@"Data/signature.png"), FileMode.Open, FileAccess.Read);
+    //Sets an image for signature field.
+    FileStream imageStream = new FileStream(Path.GetFullPath(@"Data/signature.png"), FileMode.Open, FileAccess.Read);
 
-//Sets an image for signature field.
-PdfBitmap signatureImage = new PdfBitmap(imageStream);
+    //Sets an image for signature field.
+    PdfBitmap signatureImage = new PdfBitmap(imageStream);
 
-//Sets signature information
-signature.Bounds = new RectangleF(new PointF(0, 0), signatureImage.PhysicalDimension);
-signature.ContactInfo = "[email protected]";
-signature.LocationInfo = "Honolulu, Hawaii";
-signature.Reason = "I am author of this document.";
+    //Sets signature information
+    signature.Bounds = new RectangleF(new PointF(0, 0), signatureImage.PhysicalDimension);
+    signature.SignedName = "Syncfusion";
+    signature.ContactInfo = "[email protected]";
+    signature.LocationInfo = "Honolulu, Hawaii";
+    signature.Reason = "I am author of this document.";
 
-//Draws the signature image.
-signature.Appearance.Normal.Graphics.DrawImage(signatureImage, 0, 0);
+    //Draws the signature image.
+    signature.Appearance.Normal.Graphics.DrawImage(signatureImage, 0, 0);
 
-//Create file stream.
-using (FileStream outputFileStream = new FileStream(Path.GetFullPath(@"Output/Output.pdf"), FileMode.Create, FileAccess.ReadWrite))
-{
-    //Save the PDF document to file stream.
-    document.Save(outputFileStream);
-}
+    // Save the PDF document
+    document.Save(Path.GetFullPath(@"Output/Output.pdf"));
 
-//Close the document.
-document.Close(true);
+}