Saludos os comento que al intentar ejecutar desde src como lo sugereis:

root@gandalf-laptop:~/fuck/9/libnfc/mfcuk-read-only/src# mfcuk_keyrecovery_darkside -C 1 -s 56700
MFCUK - MiFare Classic Universal toolKit - 0.1
Mifare Classic DarkSide Key Recovery Tool - 0.3
by Andrei Costin, [email protected], http://andreicostin.com

WARN: cannot open template file './data/tmpls_fingerprints/mfcuk_tmpl_skgt.mfd'
WARN: cannot open template file './data/tmpls_fingerprints/mfcuk_tmpl_ratb.mfd'
WARN: cannot open template file './data/tmpls_fingerprints/mfcuk_tmpl_oyster.mfd'
Fallo de segmentación
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Observo que dentro de src/bin/data

root@gandalf-laptop:~/fuck/9/libnfc/mfcuk-read-only/src/bin/data# ls -la
total 20
drwxr-xr-x 5 root root 4096 2010-08-31 18:20 .
drwxr-xr-x 4 root root 4096 2010-08-31 22:16 ..
drwxr-xr-x 3 root root 4096 2010-08-31 18:20 logs_proxmark3
drwxr-xr-x 6 root root 4096 2010-08-31 18:20 .svn
drwxr-xr-x 3 root root 4096 2010-08-31 18:20 tmpls_fingerprints

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Lo cual me ha sugerido ejecutarlo desde src/bin

root@gandalf-laptop:~/fuck/9/libnfc/mfcuk-read-only/src/bin# mfcuk_keyrecovery_darkside -C 1 -s 56700


MFCUK - MiFare Classic Universal toolKit - 0.1
Mifare Classic DarkSide Key Recovery Tool - 0.3
by Andrei Costin, [email protected], http://andreicostin.com

WARN: non-supported sleep-AFTER-field ON value (56700)

INFO: Connected to NFC reader: ACS ACR122U 00 00 / ACR122U207 - PN532 v1.6 (0x07)


VERIFY:
Key A sectors: 0 1 2 3 4 5 6 7 8 9 a b c d e f
Key B sectors: 0 1 2 3 4 5 6 7 8 9 a b c d e f

RECOVER: 0 1 2 3 4 5 6 7 8 9 a b c d e f


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Espero me puedan ayudar a ejecutar de manera correcta mfcuk, es decir, parametrizarlo correctamente.

Gracias de antemano