Desktop Application
QSign
Desktop signing client for physical tokens and smart cards.
Date
Aug 2025
Duration
8 weeks
Team
2 members
Status
Live
PythonDesktop AppeIDASB-TrustPDF Signing
The Challenge
Create a desktop signing client that works with physical tokens and smart cards, allowing users to customize signature appearance, placement, and overlays while maintaining eIDAS compliance.
Our Solution
Built a desktop application that integrates with physical security tokens and smart cards, featuring a visual signature designer with placement controls, overlay support, and eIDAS-compliant signing — fully compatible with B-Trust certificates.
Results & Impact
- Users can brand every signature with custom appearance and overlays
- Full eIDAS-compliant digital signing workflow
- B-Trust certificate compatibility out of the box
- Works offline with physical tokens and smart cards
Key Features
- Physical token and smart card signing
- Custom signature appearance and overlays
- Precise signature placement controls
- eIDAS-compliant certificate support
- B-Trust compatibility
- PDF document signing
Tags
DesktopPythonE-SignatureeIDASB-TrustPDFSecurity
Project Details
Client
QuackStack Ltd.
Category
Desktop Application
Project Date
August 10, 2025
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