Script for converting NTAG215 dumps (.bin) to Flipper NFC device files (.nfc)

amiibin2nfcdev.py

#!/usr/bin/env python3

import sys
from os.path import splitext, basename

if not sys.argv[1:]:
    sys.exit(f'Usage: {sys.argv[0]} dump.bin')

ntag_file = sys.argv[1]
nfc_file = splitext(ntag_file)[0] + '.nfc'

print('Converting "%s" -> "%s" ... ' %
      (basename(ntag_file), basename(nfc_file)), end='')

try:
    with open(ntag_file, 'rb') as file:
        ntag_data = file.read()

    if len(ntag_data) != 540:
        raise RuntimeError(
            'Incorrect NTAG215 dump size (expect 540 bytes, got %d bytes)' % len(ntag_data))

    nfc_device_header = [
        '# Auto-generated by amiibin2nfcdev.py',
        'Filetype: Flipper NFC device',
        'Version: 3',
        '# Nfc device type can be UID, Mifare Ultralight, Mifare Classic or ISO15693',
        'Device type: NTAG215',
        '# UID is common for all formats',
        'UID: {uid}',
        '# ISO14443 specific fields',
        'ATQA: 00 44',
        'SAK: 00',
        '# Mifare Ultralight specific data',
        'Data format version: 1',
        'Signature: {sig}',
        'Mifare version: 00 04 04 02 01 00 11 03',
        'Counter 0: 0',
        'Tearing 0: 00',
        'Counter 1: 0',
        'Tearing 1: 00',
        'Counter 2: 0',
        'Tearing 2: 00',
        'Pages total: 135',
        'Pages read: 135'
    ]

    nfc_device_pages = []

    for i in range(0, len(ntag_data), 4):
        nfc_device_pages.append('Page %d: %02X %02X %02X %02X' %
                                (i / 4, *ntag_data[i:i + 4]))

    nfc_device_uid = ' '.join(['%02X' % x for x in ntag_data[:7]])
    nfc_device_sig = ' '.join(['00'] * 32)

    nfc_device = '\n'.join(nfc_device_header + nfc_device_pages)
    nfc_device = nfc_device.format(uid=nfc_device_uid, sig=nfc_device_sig)

    with open(nfc_file, 'w') as file:
        file.write(nfc_device + '\n')

    print('OK!')
except Exception as e:
    print('ERROR!\n%s' % e)

Get-ChildItem -Recurse *.bin | ForEach { python PATH/TO/amiibin2nfcdev.py $_.FullName }