docs: def _encrypt(data):
      """Equivalent to OpenSSL using 256 bit AES in CBC mode"""
      BS = AES.block_size
  
      def pad(s):
          n = BS - len(s) % BS
          char = chr(n).encode('utf8')
          return s + n * char
  
      password = settings.GECKOBOARD_PASSWORD
      salt = Random.new().read(BS - len('Salted__'))
      key, iv = _derive_key_and_iv(password, salt, 32, BS)
      cipher = AES.new(key, AES.MODE_CBC, iv)
      encrypted = b'Salted__' + salt + cipher.encrypt(pad(data))
      return base64.b64encode(encrypted)