Examples

Adding Timestamp Server URL to Signatures in PDF (.NET Core/Framework)

Adding Timestamp Server URL to Signatures in PDF using DynamicPDF Generator is simple and easy.

How to add Timestamp Server URL to PDF in C#

Below are the steps and sample code to add Timestamp Server URL to stamp the signatures in PDF document using the Generator product.

Steps for Adding Timestamp Server URL to a PDF Document

  1. Create a Document object.
  2. Create as many Page object as needed.
  3. Create a Signature object and set the properties.
  4. Add Signature to the Page.
  5. Add Page to the Document.
  6. Create a Certificate object and set the properties.
  7. Create a TimestampServer object and set the properties.
  8. Sign the document with the signature field, certificate and the timestamp object.
  9. Save the PDF document.

Sample Code - C#

Document document = new Document();
Page page = new Page(PageSize.Letter);
            
Signature signature = new Signature("SigField", 10, 10, 250, 100); 
page.Elements.Add(signature); 
document.Pages.Add(page); 
Certificate certificate = new Certificate(@"C:\JohnDoe.pfx", "password"); 

// Create TimestampServer
TimestampServer timestampServer = new TimestampServer("Url of the Timestamp Server");
document.Sign("SigField", certificate, timestampServer);
            
document.Draw(@"C:\Output.pdf");        

Using Timestamp Server URL from Certificate in C#

Below are the steps and sample code to add certificates that has the Timestamp Server URL to PDF document using the Generator product.

Steps for Adding Timestamp Server URL from Certificate to a PDF Document

  1. Create a Document object.
  2. Create as many Page object as needed.
  3. Create a Signature object and set the properties.
  4. Add Signature to the Page.
  5. Add Page to the Document.
  6. Create a Certificate object with certificate which has the timestamp server URL in it.
  7. Sign the document with the signature field, certificate and boolen true.
  8. Save the PDF document.

Sample Code - C#

Document document = new Document();
Page page = new Page(PageSize.Letter);
            
Signature signature = new Signature("SigField", 10, 10, 250, 100); 
page.Elements.Add(signature); 
document.Pages.Add(page); 
Certificate certificate = new Certificate(@"C:\JohnDoe.pfx", "password"); 
document.Sign("SigField", certificate, true);
            
document.Draw(@"C:\Output.pdf");        

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DynamicPDF Generator is available on NuGet and is part of the ceTe.DynamicPDF.CoreSuite.NET package. The Core Suite package includes Generator, Merger and ReportWriter.

NuGet Package ID: ceTe.DynamicPDF.CoreSuite.NET

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