new_contents: def elfhash(string):
      hash = 0
      x = 0
      for c in string:
          hash = (hash << 4) + c
          x = hash & 0xF0000000
          if x:
              hash ^= (x >> 24)
              hash &= ~x
      return (hash & 0x7FFFFFFF)
  
  
  if __name__ == '__main__':
      import base64
  
      key = base64.b64encode('你好啊'.encode('utf-8'))
      print(key)
      print(key, elfhash(key))
  
subject: add hash