目录摘要........................................................................................................................1ABSTRACT.................................................................................................................2第1章绪论.............................................................................................................31.1研究背景及意义.......................................................................................31.2Python语言..............................................................................................31.2.1Python语言简介............................................................................31.2.2Python语言的优势........................................................................4第2章加密解密基本算法及原理.........................................................................52.1密码体制的分类.....................................................................................52.1.1对称密码体制..............................................................................52.1.2非对称密码体制..........................................................................62.2DES算法详细原理介绍..........................................................................72.2.1DES算法概述...............................................................................72.2.2DES算法设计思想和准则...........................................................72.3RSA算法详细原理介绍..........................................................................82.3.1RSA算法概述...............................................................................82.3.2RSA体制的算法过程...................................................................82.4其他加密解密算法.................................................................................9第3章模拟Python代替密码破译过程..............................................................103.1代替密码破译界面程序（mainwindow）.............................................103.2计算密码字典程序（makeWordPatterns）..........................................133.3单词模式程序（wordPatterns）............................................................163.3.1常用密码字典类型......................................................................163.3.2密码字典修改模式......................................................................173.4密码破解程序（passwordDecipher）...................................................173.5简单替代密码加解密测试程序（simpleSubstitutePassword）............19结论......................................................................................................................26参考文献...............................................................................................................27致谢......................................................................................................................28摘要随着计算机与网络应用的普及,信息安全问题越来越引起人们的重视。仅靠对管理制度进行完善难以从根本上杜绝内部安全问题的发生,必须从技术上对内部数据文件进行保护,文件保护系统也由此而生。本文通过对Python的基本概念、加解密基本算法及原理进行系统说明，采用代替方法实现对信息的加解密，并对加解密过程实现可视化等方面的分析，由浅入深对Python的代替密码破译方法实现研究与设计及防范技术进行了系统的研究。关键词：信息安全Python密码破译ABSTRACTWith...
