Fingerprint sensor

Fingerprint sensors are usually attached to USB and do not need a kernel driver. To test it is best to install the fprint_demo packages that usually installs the library libfprint that does all the work.

Before installing a PAM module to use it as a password, fprint_demo should proof that it works reliable.

Figure 4.2. Fingerprint

finger print

The libfprint source code comes with example programs that might not become installed with libfprint but could be compiled separately. Those sample programs capture fingerprint and convert them to images and do simple verification tasks.

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