The Syncfusion PDF Library is a .NET PDF library that allows the users to create and validate PDF digital signatures in C# and VB.NET.This repository contains examples of digital signatures PDF files in C#
| Sample name | Description |
|---|---|
| PDF digital signatures | Create a PDF digital signature. |
| PDF digital signatures with custom appearances | create a PDF digital signature with custom appearances. |
| Change the signature appearance | Change the signature appearance based on the signature validation. |
| Create PDF digital signatures with CAdES | Create a PDF digital signatures with CAdES and different hashing algorithms. |
| Add multiple digital signatures in PDF | Add multiple digital signatures in a single PDF document. |
| Sign a PDF using Windows certificate | Digitally sign a PDF document using Windows certificate store. |
| Include an Author or certify signature | Create a PDF include an author or certify signature. |
| Sign a PDF with an external signature | Digitally sign a PDF document with an external signature. |
| Sign the existing signature field in a PDF | Digitally sign the existing signature field in a PDF document. |
| Add timestamp to the signature | Add timestamp to the digital signature. |
| Sign a PDF with LTV | Digitally sign a PDF document with long-term validation (LTV). |
| Sign a PDF With LTA | Digitally sign a PDF document with long-term archive timestamps (LTA). |
| Create LTV in an external signature | Create a long-term validation (LTV) in an external signature. |
| Retrieve signature information from an existing PDF | Retrieve digital signature information from an existing PDF document. |
| Remove existing signatures from a PDF | Remove existing digital signatures from a PDF document. |
| Validate PDF digital signature | Validate PDF digital signature. |
| Validate individual signatures | Validate individual digital signatures in an existing PDF document. |
| Validating signatures against a trusted | Validating signatures against a trusted list. |
- Download this project to a location in your disk.
- Open the solution file using Visual Studio.
- Rebuild the solution to install the required NuGet package.
- Run the application.
- Product page: Syncfusion PDF Framework
- Documentation page: Syncfusion .NET PDF library
- Online demo: Syncfusion .NET PDF library - Online demos
- Blog: Syncfusion .NET PDF library - Blog
- Knowledge Base: Syncfusion .NET PDF library - Knowledge Base
- EBooks: Syncfusion .NET PDF library - EBooks
- FAQ: Syncfusion .NET PDF library - FAQ
- For any other queries, reach our Syncfusion support team or post the queries through the community forums.
- Request new feature through Syncfusion feedback portal.
This is a commercial product and requires a paid license for possession or use. Syncfusion’s licensed software, including this component, is subject to the terms and conditions of Syncfusion's EULA. You can purchase a licnense here or start a free 30-day trial here.
Founded in 2001 and headquartered in Research Triangle Park, N.C., Syncfusion has more than 26,000+ customers and more than 1 million users, including large financial institutions, Fortune 500 companies, and global IT consultancies.
Today, we provide 1600+ components and frameworks for web (Blazor, ASP.NET Core, ASP.NET MVC, ASP.NET WebForms, JavaScript, Angular, React, Vue, and Flutter), mobile (Xamarin, Flutter, UWP, and JavaScript), and desktop development (WinForms, WPF, WinUI(Preview), Flutter and UWP). We provide ready-to-deploy enterprise software for dashboards, reports, data integration, and big data processing. Many customers have saved millions in licensing fees by deploying our software.