hf mf fchk --4k -f /usr/local/share/proxmark3/dictionaries/mfc_default_keys.dic

hf mf fchk --4k -f /usr/local/share/proxmark3/dictionaries/mfc_default_keys.dic --dump

hf mf restore --4k --uid $UID -k $KEY -f $DUMP

hf mf gen3uid --uid $UID