Esta tão fácil instalar o sensor de impressão digital no OpenSuse, que até perdeu a graça … Basta entra no Yast e selecionar o pacote libfprint, pam_fp e libfprint-devel como na figura a baixo:

Agora basta compilar os programas para cadastrar e verificar as impressões digitais e pronto! No viva o linux, publiquei diverso documentos clique aqui e aqui.

A seguir o  programa em execução:

# ./enroll
 This program will enroll your right index finger, unconditionally overwriting any right-index print that was enrolled previously. If you want to continue, press enter, otherwise hit Ctrl+C 

 Found device claimed by Digital Persona U.are.U 4000/4000B driver
 Opened device. It's now time to enroll your finger. 

 You will need to successfully scan your finger 1 times to complete the process. 

 Scan your finger now.
 Wrote scanned image to enrolled.pgm
 Enroll complete!
 Enrollment completed!
# ./verify_live
 Found device claimed by Digital Persona U.are.U 4000/4000B driver
 Opened device. It's now time to enroll your finger.

 You will need to successfully scan your finger 1 times to complete the process.

 Scan your finger now.
 Enroll complete!
 Enrollment completed!

 Normally we'd save that print to disk, and recall it at some point later when we want to authenticate the user who just enrolled. In the interests of demonstration, we'll authenticate that user immediately.

 Scan your finger now.
 MATCH!
 Verify again? [Y/n]? Y

 Scan your finger now.
 MATCH!
 Verify again? [Y/n]? n