Difference between revisions of "How to enable the integrated fingerprint reader"

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===fprint===
 
===fprint===
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For some time various projects provided support for various readers. That work mostly been unified under the [http://reactivated.net/fprint/wiki/Main_Page fprint] library, and thus libfprint and libpam-fprint (which provides authentication via PAM) are the best way to go, and in the meantime included by default in most Linux distributions. However, it seems that lately this project has stalled, and no support for newer chips has emerged for some time.
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The most current effort to support fingerprint readers is the [http://reactivated.net/fprint/wiki/Main_Page fprint project].  The fprint software comprises the libraries <tt>libfprint</tt> and <tt>libpam-fprint</tt> (which provides authentication via PAM) and the daemon <tt>fprintd</tt>.  
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It seems that lately this project has stalled; no support for newer chips has emerged for some time.
  
 
====Fingerprint GUI====
 
====Fingerprint GUI====

Revision as of 17:15, 5 August 2011

Sub-howtos for enabling the integrated fingerprint reader on ThinkPads:

Free software

fprint

The most current effort to support fingerprint readers is the fprint project. The fprint software comprises the libraries libfprint and libpam-fprint (which provides authentication via PAM) and the daemon fprintd.

It seems that lately this project has stalled; no support for newer chips has emerged for some time.

Fingerprint GUI

Makes use of libfprint.

Feb 2011: The following works as smoothly on Ubuntu and T410s: https://launchpad.net/~fingerprint/+archive/fingerprint-gui

ThinkFinger

Alternatively, the original ThinkFinger project is at http://thinkfinger.sourceforge.net. It only provides support for the 1st generation reader, and has not been updated since 2007; see the How to enable the integrated fingerprint reader with ThinkFinger for detailed instructions. It is also in Debian Lenny. This integrates seamlessly with PAM and doesn't produce a tacky graphical prompt.

Hint:
If you've followed the instructions and "tf-tool --verify" works, but nothing else does, make sure that the "uinput" module is loaded.

Binary-only drivers

A closed source driver for the UPEK device is available. It interfaces to the hardware as a user-space USB driver through /proc/bus/usb and provides a BioAPI 1.10 device, which can then be interfaced to pam for authentication by user programs. The driver can be downloaded from http://www.upek.com/support/downloads/linux/; see the corresponding HOWTO for detailed instructions. It however tends to be less stable than the above opensource drivers.

Links

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