Current command:
hf mf chk --help
Check keys on MIFARE Classic card usage: hf mf chk [-hab*] [-k <hex>]... [--tblk <dec>] [--mini] [--1k] [--2k] [--4k] [--emu] [--dump] [-f <fn>] options: -h, --help This help -k, --key <hex> Key specified as 12 hex symbols --tblk <dec> Target block number -a Target Key A -b Target Key B -*, --all Target both key A & B (default) --mini MIFARE Classic Mini / S20 --1k MIFARE Classic 1k / S50 (default) --2k MIFARE Classic/Plus 2k --4k MIFARE Classic 4k / S70 --emu Fill simulator keys from found keys --dump Dump found keys to binary file -f, --file <fn> Filename of dictionary examples/notes: hf mf chk --mini -k FFFFFFFFFFFF -> Check all sectors, all keys against MIFARE Mini hf mf chk --1k -k FFFFFFFFFFFF -> Check all sectors, all keys against MIFARE Classic 1k hf mf chk --2k -k FFFFFFFFFFFF -> Check all sectors, all keys against MIFARE 2k hf mf chk --4k -k FFFFFFFFFFFF -> Check all sectors, all keys against MIFARE 4k hf mf chk --1k --emu -> Check all sectors, all keys, 1K, and write to emulator memory hf mf chk --1k --dump -> Check all sectors, all keys, 1K, and write to file hf mf chk -a --tblk 0 -f mfc_default_keys.dic -> Check dictionary against block 0, key A