day23_4_hashlib

#!/usr/bin/env python
# -*- coding:utf-8 -*-
# ------------------------------------------------------------
# 参考资料：
# python模块（转自Yuan先生） - 狂奔__蜗牛 - 博客园
# https://www.cnblogs.com/guojintao/articles/9070485.html
# ------------------------------------------------------------
# ******************** day23_4_hashlib *******************
# ******************** day23_4_hashlib *******************
# =====>>>>>>内容概览
# =====>>>>>>内容概览

# ------------------------------------------------------------
# # 1、hashlib简介
# # # 用于加密相关的操作，3.x里代替了md5模块和sha模块，主要提供 SHA1, SHA224, SHA256,
# # # SHA384, SHA512 ，MD5 算法
# # # 这个操作是单向操作，内容---->编码---->编码内容，是不可逆的，但是内容与被编码的内容的映射关系
# # # 是一一对应的
# ------------------------------------------------------------

# ------------------------------------------------------------
# # 2、对字符串进行编码进行编码
# # # 相同的内容，编码出来的结果相同，
# ------------------------------------------------------------

# ------------------------------------------------------------
# # 2.1、对字符串进行编码进行编码
# # # 相同的内容，编码出来的结果相同
# # # 同一对象，先A后B  ==  直接编码AB
# ------------------------------------------------------------

# ------------------------------------------------分割线-------------------------------------------------
# ------------------------------------------------分割线-------------------------------------------------
# ------------------------------------------------分割线-------------------------------------------------

'''
# ------------------------------------------------------------
# # 1、hashlib简介
# # # 用于加密相关的操作，3.x里代替了md5模块和sha模块，主要提供 SHA1, SHA224, SHA256,
# # # SHA384, SHA512 ，MD5 算法
# # # 这个操作是单向操作，内容---->编码---->编码内容，是不可逆的，但是内容与被编码的内容的映射关系
# # # 是一一对应的
# ------------------------------------------------------------
'''

'''
# ------------------------------------------------------------
# # 2、对字符串进行编码进行编码
# # # 相同的内容，编码出来的结果相同，
# ------------------------------------------------------------
'''
#
# import hashlib
# obj1 = hashlib.md5()
# obj1.update("hello".encode("utf8"))
#
# obj11 = hashlib.md5()
# obj11.update("hello".encode("utf8"))
#
# obj2 = hashlib.md5()
# obj2.update("LiSir".encode("utf8"))
#
# print("obj1:    ",obj1.hexdigest())
# print("obj11:   ",obj11.hexdigest())
# print("obj2:    ",obj2.hexdigest())
#
#
# # D:\Anaconda3\python.exe D:/C_cache/py/day23-re_logging_hashlib_MoKuaiDaoRu/day23_4_hashlib.py
# # obj1:     5d41402abc4b2a76b9719d911017c592
# # obj11:    5d41402abc4b2a76b9719d911017c592
# # obj2:     6325936dcf78afbf43a1073ae79cde0b
# #
# # Process finished with exit code 0

'''
# ------------------------------------------------------------
# # 2.1、对字符串进行编码进行编码
# # # 相同的内容，编码出来的结果相同
# # # 同一对象，先A后B  ==  直接编码AB
# ------------------------------------------------------------

'''
#
# import hashlib
# obj1 = hashlib.md5()
# obj1.update("hello".encode("utf8"))
#
# obj11 = hashlib.md5()
# obj11.update("hello".encode("utf8"))
# # 下面的编码是在上面hello的基础上进行的
# #       obj11---->编码hello---->obj11---->编码Lisir---->obj11编码结束
# # 等价：obj11---->编码helloLisir---->obj11编码结束
# obj11.update("LiSir".encode("utf8"))
#
#
# obj2 = hashlib.md5()
# obj2.update("LiSir".encode("utf8"))
#
# obj3 = hashlib.md5()
# obj3.update("helloLiSir".encode("utf8"))
#
# print("obj1:    ",obj1.hexdigest())
# print("obj11:   ",obj11.hexdigest())
# print("obj2:    ",obj2.hexdigest())
# print("obj3:    ",obj3.hexdigest())
#
# # D:\Anaconda3\python.exe D:/C_cache/py/day23-re_logging_hashlib_MoKuaiDaoRu/day23_4_hashlib.py
# # obj1:     5d41402abc4b2a76b9719d911017c592
# # obj11:    84197e823a022277f1fa2dbfb5cb7990
# # obj2:     6325936dcf78afbf43a1073ae79cde0b
# # obj3:     84197e823a022277f1fa2dbfb5cb7990
# #
# # Process finished with exit code 0