Calculate the card key using UID TAG CHALLENGE READER CHALLENGE READERRESPONSE TAG RESPONSE from sniff tracing. All sources are copied from repos below.

Source files are from:

• http://www.proxmark.org/files/Various%20Software/MIFARE%20Classic/mifarecrack/
• https://github.com/nfc-tools/mfcuk/tree/master/src

build:

make

Tips:

1. generate trace file:

proxmark3> hf list 14a -s /tmp/trace.trc

2. Analyze trace file automaticly:

python mifarecrack.py /tmp/trace.trc This command will try to find all complete auth, and calculate keys.

Refs:

• http://www.proxmark.org/
• https://github.com/Proxmark/proxmark3
• https://github.com/nfc-tools/mfcuk