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Working with Digital Signatures in Word Documents using C#

'Wordize for .NET' provides C# developers with a complete set of tools for implementing secure document workflow with legally significant Word files. The Wordize solution ensures generation of digital signatures, guaranteeing data integrity and protection of Word documents against forgery.

With growing cybersecurity requirements, integration of reliable digital signature mechanisms is becoming a mandatory component of modern business applications in C#. Wordize API offers a ready-made solution, fully compatible with .NET and optimized for working with Word files.

Key Capabilities for Working with Word Documents

By integrating Wordize Signature for .NET into your application, you get:

  • Automated signing of Word files using X.509 certificates and secure PFX/P12 storages
  • Removal of digital signatures
  • Enhanced signature metadata with the ability to include timestamps and additional information

Technical Features and Benefits

  • Support for various scenarios: from simple signing of Word documents to integration with file format conversion processes
  • Flexible signing options for Word: the SignOptions class allows customizing various signature parameters in Word documents
  • Support for input-output streams: ability to work with both Word files and data streams (I/O streams)

Evaluate the efficiency of the .NET solution right now! Try the online demo for signing Word documents — upload an Word file, apply an X.509 certificate, and get a document with a digital signature. The sample source code in C# is available for study, so you can easily adapt the solution for your projects in the .NET environment.

C#
Run code
Upload the file you want to sign
Upload X.509 certificate file (PFX/P12)
Select output format from the list 
using Wordize.DigitalSignatures;

CertificateHolder certificateHolder = CertificateHolder.Create("Certificate.pfx", "password");
Signer.Sign("Input.docx", "Output.docx", certificateHolder);
using Wordize.DigitalSignatures; CertificateHolder certificateHolder = CertificateHolder.Create("Certificate.pfx", "password"); Signer.Sign("Input.docx", "Output.docx", certificateHolder);
Run code

How to create a Digital Signature for Word in C#

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