CHG: change the auth_ex method to send usb package faster, REM: removed some bucketsort changes.
To test the nonce2key tool. :: tip You can use the output from "hf mf mifare" to use with this tool. :: sample ./nonce2key e9cadd9c a8bf4a12 a020a8285858b090 050f010607060e07 5693be6c00000000