XFA digital signatures using client certificates (feature request)

[ckhordiasma]

Attach (recommended) or Link to PDF file here: af707.pdf

Configuration:

• Firefox 104.0.2
• Operating system and its version: Windows 10 21H2
• PDF.js version: v2.16.105
• Is a browser extension: no

Steps to reproduce the problem:

1. Open PDF
2. Verify that in several blocks labeled "signature" there is no way to add a digital signature

What is the expected behavior? (add screenshot)

What went wrong? (add screenshot)

Link to a viewer (if hosted on a site other than mozilla.github.io/pdf.js or as Firefox/Chrome extension):

Not sure if this is even possible or maybe out of scope of what pdf.js whats to accomplish, but wanted to raise it as a feature request anyways

[msschl]

Is this planned for pdf.js?