Python | Message Encode-Decode using Tkinter
Prerequisite : Basics of Tkinter
Python offers multiple options for developing GUI (Graphical User Interface). Out of all the GUI methods, tkinter is most commonly used method. It is a standard Python interface to the Tk GUI toolkit shipped with Python. Python with tkinter outputs the fastest and easiest way to create the GUI applications.
Python provides the Tkinter toolkit to develop GUI applications. Now, it’s upto the imagination or necessity of developer, what he/she want to develop using this toolkit. Let’s try to implement a message encryption-decryption application according to the Vigenère cipher, which can encrypt the message using the key and can decrypt the encrypted hash using same key.
Modules used in the project : Tkinter -> GUI toolkittime datetime base64 -> Vigenère cipher
Below is the implementation of above idea :
Python3
# import tkinter module from tkinter import * # import other necessary modules import random import time import datetime # creating root object root = Tk() # defining size of window root.geometry( "1200x6000" ) # setting up the title of window 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() # exit function def qExit(): root.destroy() # Function to reset the window def Reset(): rand. set ("") Msg. set ("") key. set ("") mode. set ("") Result. set ("") # reference 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 ) # labels 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 , column = 0 ) txtmode = Entry(f1, font = ( 'arial' , 16 , 'bold' ), textvariable = mode, bd = 10 , insertwidth = 4 , bg = "powder blue" , justify = 'right' ) txtmode.grid(row = 3 , column = 1 ) 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 cipher import base64 # Function to encode def encode(key, clear): enc = [] for i in range ( 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() # Function to decode def decode(key, enc): dec = [] enc = base64.urlsafe_b64decode(enc).decode() for i in range ( len (enc)): key_c = key[i % len (key)] dec_c = chr (( 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)) # Show message button 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 , column = 1 ) # Reset button 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 , column = 2 ) # Exit button 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 , column = 3 ) # keeps window alive root.mainloop() |
Output :
Encrypt Window –
Decrypt Window –