new_contents: from Crypto.Cipher import DES
  from hashlib import md5
  import sys
  
  key = b'\x47\x8D\xA5\x0B\xF9\xE3\xD2\xCF'
  crypto = DES.new( key, DES.MODE_ECB )
  fi = open(sys.argv[1], "rb").read()
  dec = crypto.decrypt(fi)[16:].rstrip(b"\0")
  print(dec.decode())
  
subject: add config decryption for convenience