ASP.NET Core Word Library – Digital Signature Example

This sample demonstrates how to digitally sign the Word document with the PFX certificate file using .NET Word (DocIO) Library.

DEMO

SOURCE

Click the button to create and digitally sign a Word document using the .NET Word (DocIO) Library. Please note that a valid certificate is required to digitally sign the generated document.

Signature Settings

Signature Standard :

Signature Type :

Sign new Word document

Create a new Word document and digitally sign it using the selected signature settings.

Sign existing Word document

Source
No file chosen

Signature Image
No file chosen

Certificate
No file chosen

Password

Comment

The .NET Word Library (DocIO) allows you to secure Word documents by applying digital signatures programmatically to protect content authenticity and integrity.

Digitally sign Word documents using X509 certificates such as .pfx files with private keys.
Sign documents with visible signatures applied to signature placeholders (signature lines) or with invisible digital signatures
Add, remove, and verify digital signatures programmatically within your document workflows.

More information about the Digital Signature can be found in this Documentation section.