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mfoc

MIFARE Classic offline cracker

mfoc [ -h ] [ -k KEY ]... [ -O FILE ] [ -P NUM ] [ -T NUM ]

This manual page documents briefly the mfoc command.

mfoc is a program that cracks the encryption of a MIFARE Classic chip and dumps the chip's keys and decrypted memory contents to a file. To run it you need to have access to an NFC reader and, of course, a card equipped with a MIFARE Classic chip.

A summary of options is included below.

-h
Show summary of options.
-k KEY
Initially try KEY in addition to the default keys.
-O FILE
Dump card contents to FILE.
-P NUM
Probe each sector up to NUM times. Default is 20.
-T NUM
Set half the range for a possible distance tolerance to NUM. Default is 20 (for a total range of 40).

mfoc was written by Norbert Szetei and Pavol Luptak with contributions by others.

This manual page was written by Thomas Hood <jdthood@gmail.com>. MIFARE is a trade mark of NXP bv, Netherlands.

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