Problem with getting the mifare password

[SailReal]

Hi,

the script is pretty cool but by getting the mifare password out of the DKeyA and DKeyB I've some problems:

mifarekeys v0.1b
DKeyA: FEFEFEFEFEFE7E00
DKeyB: 007EFEFEFEFEFEFE
Traceback (most recent call last):
File "mifarepwd.py", line 119, in
des3= DES3.new(deskeyABA,DES.MODE_CBC,'\0\0\0\0\0\0\0\0')
File "C:\Python33\lib\site-packages\Crypto\Cipher\DES3.py", line
return DES3Cipher(key, _args, *_kwargs)
File "C:\Python33\lib\site-packages\Crypto\Cipher\DES3.py", line
__
blockalgo.BlockAlgo.init(self, _DES3, key, _args, *_kwargs)
File "C:\Python33\lib\site-packages\Crypto\Cipher\blockalgo.py",
init
self._cipher = factory.new(key, _args, *_kwargs)
ValueError: Invalid key size (must be either 16 or 24 bytes