File: //usr/share/doc/fprintd/README
fprintd
=======
https://fprint.freedesktop.org/
Daemon to offer libfprint functionality over D-Bus
Might eat your kangaroo.
Written in C.
Licensed under the GPL version 2 or any later version (see COPYING).
A PAM login module is included in the 'pam' directory.
Translating
===========
fprintd and pam_fprintd are translated using weblate. Please visit
https://translate.fedoraproject.org/projects/fprintd/ to contribute
translations.
API use cases
=============
- User wants to use the fingerprint reader, and enroll
  his fingerprints, or remove some fingerprints from the database
- Administrator wants to enroll fingerprints for a particular user,
  or remove fingerprints for a particular user
- Laptop/desktop authentication:
  * Check for fingerprint devices
  * Check whether a particular user has any fingerprints enrolled
  * Verify a fingerprint for a particular user, or, if the device
  supports it, verify that the fingerprint matches against
  any of the fingerprints enrolled
- Point Of Sale authentication (in a bar, the fingerprint reader is
  used to see who accesses a particular point of sale/till, in place
  of PIN code authentication and/or tokens)
  * Given a list of users, verify which one has scanned their finger
Debugging
=========
To enable debug output run `systemctl edit fprintd.service` then enter:
```
[Service]
Environment=G_MESSAGES_DEBUG=all
```
Save the result and restart fprintd using `systemctl restart fprintd.service`.
After that, you can grab the logs using `journalctl -u fprintd.service`.