这种加密也是填写在协议头中么

md5_1 = hashlib.md5()
md5_1.update(body.encode('utf-8'))
body_md5hex = md5_1.hexdigest()
md5_2 = hashlib.md5()
body_md5hex = (body_md5hex + appSecret).encode('utf-8')
md5_2.update(body_md5hex)
sign = md5_2.hexdigest()
headers = {
'Content-type': 'application/json',
'AppKey': appKey,
'AppSign': sign,
}