模块hashlib

>>> import hashlib
>>> a=hashlib.md5()
>>> a.update(b"Hello")
>>> a.update(b"It's me")
>>> print(a.digest())    #二进制显示
b']\xde\xb4{/\x92Z\xd0\xbf$\x9cR\xe3Br\x8a'
>>> print(a.hexdigest())    #十进制显示
5ddeb47b2f925ad0bf249c52e342728a

import hashlib

with open("/tmp_guoxianqi/awk",'rb') as f:
md5 = hashlib.md5()
md5.update(f.read())
print(md5.hexdigest())

>>> hash = hashlib.sha1()
>>> hash.update(b'admin')
>>> print(hash.hexdigest())
d033e22ae348aeb5660fc2140aec35850c4da997

>>> hash = hashlib.sha256()
>>> hash.update(b'admin')
>>> print(hash.hexdigest())
8c6976e5b5410415bde908bd4dee15dfb167a9c873fc4bb8a81f6f2ab448a918

>>> hash = hashlib.sha384()
>>> hash.update(b'admin')
>>> print(hash.hexdigest())
9ca694a90285c034432c9550421b7b9dbd5c0f4b6673f05f6dbce58052ba20e4248041956ee8c9a2ec9f10290cdc0782

>>> hash = hashlib.sha512()
>>> hash.update(b'admin')
>>> print(hash.hexdigest())
c7ad44cbad762a5da0a452f9e854fdc1e0e7a52a38015f23f3eab1d80b931dd472634dfac71cd34ebc35d16ab7fb8a90c81f975113d6c7538dc69dd8de9077ec

>>> import hmac
>>> h=hmac.new(b"admin")
>>> h.update(b"hellwo")
>>> print(h.hexdigest())
a3c0c2283a9d70ad02b50d9e1b3b2b67