crapto1 - Recovery the mifare classic key

Utilities extract keys from nonces collected during the authentication process

Compilation

Tip

Arch Linux users can install crapto1 from AUR

1. Clone repo

• git clone https://github.com/li0ard/crapto1 && cd crapto1/

2. Compile using make

• make

Usage

mf32

mf32 working with two sets of 32 bits of keystream authentication.

Syntax: ./mf32 <uid> <tag_challenge> <reader_challenge> <reader_response> <tag_challenge2> <reader_challenge2> <reader_response2>

• Example: ./mf32 23A12659 182c6685 3893952A 9613a859 b3aac455 f05e18ac 2c479869

mf64

mf64 working with one set of 64 bit keystream authentication.

Syntax: ./mf64 <uid> <tag_challenge> <nr_enc> <reader_response> <tag_response>

• Example: ./mf64 c108416a ABCD1949 59D5920F 15B9D553 A79A3FEE

n2k

n2k working with parity and keystream nonces

Syntax: ./n2k <uid> <nt> <par> <ks>

• Example: ./n2k e9cadd9c a8bf4a12 a020a8285858b090 050f010607060e07

Acknowledgements

• bla
• RfidResearchGroup