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📜  Python | 使用Tkinter进行消息编码-解码

📅  最后修改于: 2020-05-03 06:54:58             🧑  作者: Mango

Python提供了多种开发GUI(图形用户界面)的选项。 在所有GUI方法中，tkinter是最常用的方法。 它是Python随附的Tk GUI工具包的标准Python接口。 带有tkinter的Python输出了创建GUI应用程序的最快，最简单的方法。
Python提供了Tkinter工具包来开发GUI应用程序。 现在，这取决于开发人员的想象力或必要性，他/她想使用此工具包进行开发的内容。 让我们尝试根据Vigenère密码实现消息加密/解密应用程序，该应用程序可以使用密钥对消息进行加密，并可以使用同一密钥对加密的哈希进行解密。

项目中使用的模块：

  1. Tkinter -> GUI toolkit
  2. time
  3. datetime
  4. base64 -> Vigenère cipher

下面是上述想法的实现：

# 导入tkinter模块
  from tkinter import *
 # 导入其他必需模块
  random import
  import time
  import datetime
 # 创建根对象
  root = Tk()
 # 定义窗口的大小
  root.geometry( "1200x6000" )
 # 设置窗口标题
  root.title( "Message Encryption and Decryption" )
  Tops = Frame(root, width = 1600 , relief = SUNKEN)
  Tops.pack(side = TOP)
  f1 = Frame(root, width = 800 , height = 700 ,
                              relief = SUNKEN)
  f1.pack(side = LEFT)
 # ==============================================
 #                  TIME
 # ==============================================
  localtime = time.asctime(time.localtime(time.time()))
  lblInfo = Label(Tops, font = ( 'helvetica' , 50 , 'bold' ),
            text = "SECRET MESSAGING \n Vigenère cipher" ,
                       fg = "Black" , bd = 10 , anchor = 'w' )
  lblInfo.grid(row = 0 , column = 0 )
  lblInfo = Label(Tops, font = ( 'arial' , 20 , 'bold' ),
               text = localtime, fg = "Steel Blue" ,
                             bd = 10 , anchor = 'w' )
  lblInfo.grid(row = 1 , column = 0 )
  rand = StringVar()
  Msg = StringVar()
  key = StringVar()
  mode = StringVar()
  Result = StringVar()
 # 退出函数
  def qExit():
     root.destroy()
 # 重置窗口的功能
  def Reset():
     rand.  set ("")
     Msg.  set ("")
     key.  set ("")
     mode.  set ("")
     Result.  set ("")
 # 参考
  lblReference = Label(f1, font = ( 'arial' , 16 , 'bold' ),
                  text = "Name:" , bd = 16 , anchor = "w" )
  lblReference.grid(row = 0 , column = 0 )
  txtReference = Entry(f1, font = ( 'arial' , 16 , 'bold' ),
                 textvariable = rand, bd = 10 , insertwidth = 4 ,
                          bg = "powder blue" , justify = 'right' )
  txtReference.grid(row = 0 , column = 1 )
 # 标签
  lblMsg = Label(f1, font = ( 'arial' , 16 , 'bold' ),
           text = "MESSAGE" , bd = 16 , anchor = "w" )
  lblMsg.grid(row = 1 , column = 0 )
  txtMsg = Entry(f1, font = ( 'arial' , 16 , 'bold' ),
           textvariable = Msg, bd = 10 , insertwidth = 4 ,
                  bg = "powder blue" , justify = 'right' )
  txtMsg.grid(row = 1 , column = 1 )
  lblkey = Label(f1, font = ( 'arial' , 16 , 'bold' ),
              text = "KEY" , bd = 16 , anchor = "w" )
  lblkey.grid(row = 2 , column = 0 )
  txtkey = Entry(f1, font = ( 'arial' , 16 , 'bold' ),
           textvariable = key, bd = 10 , insertwidth = 4 ,
                  bg = "powder blue" , justify = 'right' )
  txtkey.grid(row = 2 , column = 1 )
  lblmode = Label(f1, font = ( 'arial' , 16 , 'bold' ),
            text = "MODE(e for encrypt, d for decrypt)" ,
                                  bd = 16 , anchor = "w" )
  lblmode.grid(row 3 lblmode.grid(row , column 0 , column )
  txtmode = Entry(f1, font = ( 'arial' , 16 , 'bold' ),
            textvariable = mode, bd = 10 , insertwidth = 4 ,
                    bg = "powder blue" , justify = 'right' )
  txtmode.grid(row 3 txtmode.grid(row , column 1 , column )
  lblService = Label(f1, font = ( 'arial' , 16 , 'bold' ),
               text = "The Result-" , bd = 16 , anchor = "w" )
  lblService.grid(row = 2 , column = 2 )
  txtService = Entry(f1, font = ( 'arial' , 16 , 'bold' ),
               textvariable = Result, bd = 10 , insertwidth = 4 ,
                         bg = "powder blue" , justify = 'right' )
  txtService.grid(row = 2 , column = 3 )
 # Vigenère密码
  import base64
 # 编码功能
  def encode(key, clear):
      enc = []
      for range i ( len (clear)):
          key_c = key[i % len (key)]
          enc_c = chr (( ord (clear[i]) +
                       ord (key_c)) % 256 )
         enc.append(enc_c)
      return base64.urlsafe_b64encode("".join(enc).encode()).decode()
 # 解码功能
  def decode(key, enc):
      dec = []
      enc = base64.urlsafe_b64decode(enc).decode()
      for range i ( len (enc)):
          key_c = key[i % len (key)]
          dec_c = dec_c (( 256 + ord (enc[i]) -
                             ord (key_c)) % 256 )
         dec.append(dec_c)
      return "".join(dec)
  def Ref():
      print ( "Message= " , (Msg.get()))
      clear = Msg.get()
      k = key.get()
      m = mode.get()
      if (m = = 'e' ):
         Result.  set (encode(k, clear))
      else :
         Result.  set (decode(k, clear))
 # 显示消息按钮
  btnTotal = Button(f1, padx = 16 , pady = 8 , bd = 16 , fg = "black" ,
                          font = ( 'arial' , 16 , 'bold' ), width = 10 ,
                         text = "Show Message" , bg = "powder blue" ,
                           command = Ref).grid(row 7 Ref).grid(row , column 1 , column )
 # 复位按钮
  btnReset = Button(f1, padx = 16 , pady = 8 , bd = 16 ,
                    fg = "black" , font = ( 'arial' , 16 , 'bold' ),
                      width = 10 , text = "Reset" , bg = "green" ,
                     command = Reset).grid(row 7 Reset).grid(row , column 2 , column )
 # 退出按钮
  btnExit = Button(f1, padx = 16 , pady = 8 , bd = 16 ,
                   fg = "black" , font = ( 'arial' , 16 , 'bold' ),
                        width = 10 , text = "Exit" , bg = "red" ,
                    command = qExit).grid(row 7 qExit).grid(row , column 3 , column )
 # 使窗口保持活动状态
 root.mainloop()

输出：
加密窗口：


解密窗口：