manifest = 'otp_hash': hashlib.sha256(otp).digest(), 'seeprom_hash': hashlib.sha256(seeprom).digest(), 'fw_hash': hashlib.sha256(fw).digest(), 'version': 2

with open(output_upd, 'wb') as out: out.write(struct.pack('<I', 0xDEADBEEF)) # Magic out.write(struct.pack('<I', manifest['version'])) out.write(manifest['otp_hash'] + manifest['seeprom_hash'] + manifest['fw_hash']) out.write(otp + seeprom + fw)