python hashlib模块

import hashlib

# md5加密
obj = hashlib.md5()
obj.update('123456'.encode('utf-8'))
ret = obj.hexdigest()
print(ret)
# e10adc3949ba59abbe56e057f20f883e

# 加盐版本
obj = hashlib.md5('admin'.encode('utf-8'))
obj.update('123456'.encode('utf-8'))
ret = obj.hexdigest()
print(ret)
# a66abb5684c45962d887564f08346e8d

# 两次update的结果，等同于，两个字符串拼接后的加密
obj = hashlib.md5()
obj.update('123456'.encode('utf-8'))
obj.update('123456'.encode('utf-8'))
ret = obj.hexdigest()
print(ret)
# ea48576f30be1669971699c09ad05c94

obj = hashlib.md5()
obj.update('123456123456'.encode('utf-8'))
ret = obj.hexdigest()
print(ret)
# ea48576f30be1669971699c09ad05c94

# 其他加密方式只需要修改调用方法MD5就好，其他都一样