pcsc_scan hangs at 'Waiting for the first reader'

linux

Symptoms

pcsc_scan shows no reader; nothing happens when inserting/removing the CAC.

Likely cause

pcscd is not running, or the right CCID driver package is not installed.

Fix

1. Install pcsc-lite and pcsc-ccid (apt, dnf, or zypper depending on distro). 2. Start the daemon: sudo systemctl restart pcscd. 3. Enable autostart: sudo systemctl enable pcscd. 4. Run pcsc_scan to confirm the reader appears.

Sourced from militarycac.com. Rewritten for clarity.

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