import hashlib
  
m = hashlib.md5()
m.update(b"Hello")
m.update(b"It's me")
print(m.digest())
m.update(b"It's been a long time since last time we ...")
  
print(m.digest()) #2进制格式hash
print(len(m.hexdigest())) #16进制格式hash
'''
def digest(self, *args, **kwargs): # real signature unknown
  """ Return the digest value as a string of binary data. """
  pass
  
def hexdigest(self, *args, **kwargs): # real signature unknown
  """ Return the digest value as a string of hexadecimal digits. """
  pass
  
'''
import hashlib
  
# ######## md5 ########
  
hash = hashlib.md5()
hash.update('admin')
print(hash.hexdigest())
  
# ######## sha1 ########
  
hash = hashlib.sha1()
hash.update('admin')
print(hash.hexdigest())
  
# ######## sha256 ########
  
hash = hashlib.sha256()
hash.update('admin')
print(hash.hexdigest())
  
  
# ######## sha384 ########
  
hash = hashlib.sha384()
hash.update('admin')
print(hash.hexdigest())
  
# ######## sha512 ########
  
hash = hashlib.sha512()
hash.update('admin')
print(hash.hexdigest())

import hmac
h = hmac.new(b'天王盖地虎', b'宝塔镇河妖')
print h.hexdigest()