Adding Timestamp Server URL to PDF

How to Add Timestamp Server URL to PDF

Below are the steps and C# sample code to add Timestamp Server URL to stamp the signatures to a PDF using DynamicPDF Core Suite for .NET.

Steps for Adding Timestamp Server URL to a PDF Document

1. Create a Document object.
2. Create a Page object and set the PageSize to Letter in its constructor.
3. Create a Signature object and set its properties.
4. Add Signature to the Page instance.
5. Add the Page instance to the Document instance.
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(@"JohnDoe.pfx", "password");
TimestampServer timestampServer = new TimestampServer("Url of the Timestamp Server");
document.Sign("SigField", certificate, timestampServer);
document.Draw(@"Output.pdf");        

Using Timestamp Server URL from Certificate in C#

The following steps and C# sample code illustrate adding a certificates that has the Timestamp Server URL to PDF document using DynamicPDF Core Suite for .NET.

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

1. Create a Document object.
2. Create a Page object.
3. Create a Signature object and set its properties.
4. Add Signature to the Page instance.
5. Add the Page instance to the Document instance.
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 boolean 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(@"JohnDoe.pfx", "password"); 
document.Sign("SigField", certificate, true);
document.Draw("Output.pdf");        

Getting Started

Get started easily by installing DynamicPDF Core Suite for .NET through NuGet or manually. Then, refer to the documentation for more information on using and purchasing the product.

NuGet Package

The easiest way to install DynamicPDF Core Suite is by obtaining the NuGet package using Visual Studio's Package Manager. You can also obtain the NuGet package by downloading it directly. Refer to the installation documentation for more information.

DynamicPDF Core Suite Information

DynamicPDF Core Suite for .NET combines creating, merging, and visual report creation into one powerful product for creating PDF documents. It is ideal for anyone who needs to generate PDF documents or reports or work with existing PDFs in their applications. With a free Evaluation Edition to try and with flexible and royalty-free licensing options, why not start using DynamicPDF Core Suite for .NET today!

• DynamicPDF Core Suite for .NET Product Page
• DynamicPDF Core Suite for .NET Documentation

More Information on Signatures

• Refer to the Adding a Timestamp to Signatures and Certificates documentation topic, or

Available on Other Platforms

DynamicPDF Core Suite is also available for the Java and COM/ActiveX platforms. Refer to the respective product pages for more details.

• DynamicPDF Generator
  • Java - DynamicPDF Generator for Java
  • COM/ActiveX - DynamicPDF Generator for COM/ActiveX
• DynamicPDF Merger
  • Java - DynamicPDF Merger for Java
  • COM/ActiveX - DynamicPDF Merger for COM/ActiveX