Message-Saviour/Encrypt_Decrypt.py at main · Premkumar999/Message-Saviour · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
from tkinter import *
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 Saviour")

Tops = Frame(root, width = 1400, relief = FLAT)
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 = ('Akkurat', 50, 'bold'), text = " SECRET MESSAGING ",
                     fg = "Blue", bd = 1, anchor='center',bg='white')

lblInfo.grid(row = 0, column = 0)

lblInfo = Label(Tops, font=('arial', 20, 'bold'),text = localtime, fg = "RED", bd = 10, anchor = 'w')

lblInfo.grid(row = 2, column = 0)

rand = StringVar()
Msg = StringVar()
key = StringVar()
mode = StringVar()
Result = StringVar()

# To Close the application window
def qExit():
    root.destroy()

# Function to reset the application window
def Reset():
    rand.set("")
    Msg.set("")
    key.set("")
    mode.set("")
    Result.set("")

lblReference = Label(f1, font = ('Baskerville', 16, 'bold'), text = "NAME", bd = 16, anchor = "w")
lblReference.grid(row = 0, column = 0)

txtReference = Entry(f1, font = ('Baskerville', 16, 'bold'), textvariable = rand, bd = 10, insertwidth = 4,
                        bg = "powder blue", justify = 'right')

txtReference.grid(row = 0, column = 1)

lblMsg = Label(f1, font = ('Baskerville', 16, 'bold'), text = "MESSAGE", bd = 16, anchor = "w")

lblMsg.grid(row = 1, column = 0)

txtMsg = Entry(f1, font = ('Baskerville', 16, 'bold'), textvariable = Msg, bd = 10, insertwidth = 4,
                bg = "powder blue", justify = 'right')

txtMsg.grid(row = 1, column = 1)

lblkey = Label(f1, font = ('Baskerville', 16, 'bold'), text = "KEY", bd = 16, anchor = "w")

lblkey.grid(row = 2, column = 0)

txtkey = Entry(f1, font = ('Baskerville', 16, 'bold'), textvariable = key, bd = 10, insertwidth = 4,
               bg = "powder blue", justify = 'right')

txtkey.grid(row = 2, column = 1)

lblmode = Label(f1, font = ('Baskerville', 16, 'bold'), text = "MODE(e for encrypt, d for decrypt)",
                bd = 16, anchor = "w")

lblmode.grid(row = 3, column = 0)

txtmode = Entry(f1, font = ('Baskerville', 16, 'bold'), textvariable = mode, bd = 10, insertwidth = 4,
                  bg = "powder blue", justify = 'right')

txtmode.grid(row = 3, column = 1)

lblService = Label(f1, font = ('Baskerville', 16, 'bold'), text = "RESULT", bd = 16, anchor = "w")

lblService.grid(row = 2, column = 2)

txtService = Entry(f1, font = ('Baskerville', 16, 'bold'), textvariable = Result, bd = 10, insertwidth = 4,
                       bg = "powder blue", justify = 'right')

txtService.grid(row = 2, column = 3)

""" Background Computation Starts """

import base64
# Function to encrypt
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 decrypt
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 Enc_Dec():
    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))

# ENC/DEC button
btnShow = Button(f1, padx = 16, pady = 8, bd = 16, fg = "black",
                  font = ('Alegreya', 16, 'bold'), width = 10,
                  text = "ENC/DEC", bg = "RED",
                  command = Enc_Dec).grid(row = 8, column = 1)

# Reset button
btnReset = Button(f1, padx = 16, pady = 8, bd = 16,
                  fg = "white", font = ('Merriweather', 16, 'bold'),
                    width = 10, text = "RESET", bg = "GREEN",
                   command = Reset).grid(row = 8, column = 2)

# Exit button
btnExit = Button(f1, padx = 16, pady = 8, bd = 16,
                 fg = "white", font = ('arvo', 16, 'bold'),
                      width = 10, text = "CLOSE", bg = "BLUE",
                  command = qExit).grid(row = 8, column = 3)

#To keep the application window alive
root.mainloop()