Radio-frequency identification (RFID) is the use of a wireless non-contact system that uses radio-frequency electromagnetic fields to transfer data from a tag attached to an object, for the purposes of automatic identification and tracking.

Near field communication (NFC) is a set of communication protocols that enable two electronic devices, one of which is usually a portable device such as a smartphone, to establish communication by bringing them within 4 cm (2 in) of each other.

C3L is in possession of several Touchatag readers which work fine on Linux (after some hacking)

A good piece of hardware with a good linux support.

Works like a charm under linux!

Those are the NFC tags we use to chip our Hackerspace passports.
Capacity: 888 Byte.
Standard: NFC Forum Type 2 Tag ISO 14 443 A

nfc-mfultralight r dump.mfd
nfc-mfultralight w dump.mfd

sudo apt-get install libnfc-dev

A bunch of python scripts. Preinstalled on Kali linux.

Mifare Classic Offline Cracker is a tool that can recover keys from Mifare Classic cards.

Website

MFCUK - MiFare Classic Universal toolKit. Toolkit containing samples and various tools based on and around libnfc and crapto1, with emphasis on Mifare Classic NXP/Philips RFID cards.

Special emphasis of the toolkit is on the following:

• mifare classic weakness demonstration/exploitation
• demonstrate use of libnfc (and ACR122 readers)
• demonstrate use of Crapto1 implementation to confirm internal workings and to verify theoretical/practical weaknesses/attacks

Website

Install the pcscd package.

sudo apt-get install pcscd

Install libccid

sudo apt-get install libccid

Install autoreconf

sudo apt-get install autoreconf

Install libnfc-1.3.9

autoreconf -vis
./configure
make
sudo make install

Download mfoc

autoreconf -vis
./configure
make
sudo make install

If you encounter problems after the execution, do this:

sudo ln -s /usr/local/lib/libncf.so* /usr/lib/

Now mfoc should be up and running.

Download and install libnfc-1.5.1

autoreconf -vis
./configure
make
sudo make install

Download mfcuk

svn checkout http://mfcuk.googlecode.com/svn/trunk/ mfcuk-read-only

Symlink shared object libs!

sudo ln -s /usr/local/lib/libncf.so* /usr/lib/

Install mfcuk

autoreconf -vis
automake --add-missing
autoconf 
./configure

Now open the Makefiles in /mfcuk-read-only & /mfcuk-read-only/src and search for the line LIBS = .Replace it with:

LIBS = $(LIBNFC_LIBS)

Now…

make
sudo make install

Final step

cd /mfcuk-read-only/src
cp data /usr/local/bin

Now you should be ready for ownage!