CRC校验

https://baike.baidu.com/item/CRC%E6%A0%A1%E9%AA%8C/3439037?fr=aladdin

https://blog.csdn.net/u012923751/article/details/80352325

CRC32校验-python：https://www.jianshu.com/p/8185e125afaf

 

https://blog.csdn.net/nmxnm/article/details/78987656