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D
Using the Fingerprint Reader
With the ThinkFinger driver, SUSE Linux Enterprise® supports the fingerprint reader
by UPEK/SGS Thomson Microelectronics included with some IBM and Lenovo
ThinkPads. The same fingerprint reader can also be found in other laptops and either
as a stand-alone device or built into some USB keyboards. For more details, refer to
http://thinkfinger.svn.sourceforge.net/viewvc/*checkout*/
thinkfinger/README.in. If your system includes the fingerprint reader, you can
use biometric authentication in addition to standard authentication via login and pass-
word. After registering their fingerprint, users can log in to the system either by swiping
a finger on the fingerprint reader or by typing in a password.
If the hardware check detects the fingerprint reader integrated with your laptop (or
connected to your system), the packages libthinkfinger, pam_thinkfinger,
and yast2-fingerprint-reader are automatically installed.
Currently, only one fingerprint per user can be registered. The user's fingerprint data
is stored to /etc/pam_thinkfinger/login.bir. To manage fingerprint authen-
tication, either use YaST (see
Section D.2, "Managing Fingerprints with YaST"
(page 330) or the tf-tool command line tool which also offers additional options
(see
Section D.3, "Managing Fingerprints with tf-tool"
(page 332).
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