python3中unicode-objects must be encoded before hashing问题

问题

hashlib.sha3_512(file_path).hexdigest()

原因

hashlib这个库只接收byte数组数据，所以，将string变量转成byte数组即可。

解决

hashlib.sha3_512(file_path.encode("utf-8")).hexdigest()

参考：

• hashlib — Secure hashes and message digests
• How to correct TypeError: Unicode-objects must be encoded before hashing?
• hashlib使用时出现: Unicode-objects must be encoded before hashing
• Best way to convert string to bytes in Python 3?