-
Notifications
You must be signed in to change notification settings - Fork 0
/
Encrypt_decrypt.py
119 lines (86 loc) · 3.72 KB
/
Encrypt_decrypt.py
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
from tkinter import *
import time
import datetime
root = Tk()
root.geometry("1200x6000")
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').grid(row=0, column=0)
lblInfo = Label(Tops, font=('arial', 20, 'bold'), text=localtime, fg="Steel Blue", bd=10, anchor='w').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("")
lblReference = Label(f1, font=('arial', 16, 'bold'), text="Name:", bd=16, anchor="w").grid(row=0, column=0)
txtReference = Entry(f1, font=('arial', 16, 'bold'), textvariable=rand, bd=10, insertwidth=4,
bg="powder blue", justify='right').grid(row=0, column=1)
# labels
lblMsg = Label(f1, font=('arial', 16, 'bold'), text="MESSAGE", bd=16, anchor="w").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").grid(row=2, column=0)
txtkey = Entry(f1, font=('arial', 16, 'bold'), textvariable=key, bd=10, insertwidth=4,
bg="powder blue", justify='right').grid(row=2, column=1)
lblmode = Label(f1, font=('arial', 16, 'bold'), text="MODE(e for encrypt, d for decrypt)",
bd=16, anchor="w").grid(row=3, column=0)
txtmode = Entry(f1, font=('arial', 16, 'bold'),textvariable=mode, bd=10, insertwidth=4,
bg="powder blue", justify='right').grid(row=3, column=1)
lblService = Label(f1, font=('arial', 16, 'bold'), text="The Result-", bd=16, anchor="w").grid(row=2, column=2)
txtService = Entry(f1, font=('arial', 16, 'bold'), textvariable=Result, bd=10, insertwidth=4,
bg="powder blue", justify='right').grid(row=2, column=3)
# Vigenère cipher
import base64
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()
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()