>=dev-libs/libnfc-1.4.0 0 http://nfc-tools.googlecode.com/files/mfoc-0.10.2.tar.gz http://code.google.com/p/nfc-tools/ LGPL-3 Mifare Classic Offline Cracker is a tool that can recover keys from Mifare Classic cards ~x86 ~amd64 eutils multilib toolchain-funcs user 2 install