hashlib模块

import hashlib
# md5
m = hashlib.md5()
m.update(b"Hello")
print(m.digest())  # 返回的是二进制的hash值
m.update(b"world")
print(m.hexdigest()) # 返回的是十六进制的hash值

# sha1
s1 = hashlib.sha1()
s1.update("测试".encode("utf-8"))
s1.hexdigest()

# sha256
s256 = hashlib.sha256()
s256.update("测试".encode("utf-8"))
s256.hexdigest()

# sha512
s512 = hashlib.sha256()
s512.update("测试".encode("utf-8"))
s512.hexdigest()