User Guide

This section covers everything you need to get started with LibreSCRS as an end user — from installing LibreCelik to reading smart cards, authenticating in your browser, and signing documents.

• Install LibreCelik — download and set up the desktop application on Linux or macOS
• Read your card — supported cards, auto-detection, and language options
• Digital signing — sign documents and files using your smart card
• PKCS#11 module — browser authentication and digital signatures via Firefox, Chrome, Thunderbird, SSH
• OpenSC integration — native OpenSC support for Serbian cards and external driver for current releases