From 6ddeafb6c8d8c77a1a61849d47cc2afbc769e435 Mon Sep 17 00:00:00 2001
From: Sarath P M <sarath2375@gmail.com>
Date: Mon, 27 Jun 2022 13:04:40 +0530
Subject: [PATCH] Add a py program

---
 encrypt_decrypt.py | 162 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 162 insertions(+)
 create mode 100644 encrypt_decrypt.py

diff --git a/encrypt_decrypt.py b/encrypt_decrypt.py
new file mode 100644
index 0000000..2f28daa
--- /dev/null
+++ b/encrypt_decrypt.py
@@ -0,0 +1,162 @@
+'''
+Requirements 
+
+# pip install tk
+'''
+
+from tkinter import *
+import base64
+import random
+import time
+import datetime
+
+root = Tk()
+root.geometry("1200x6000")
+root.title("Encrypt & Decrypt secret message")
+
+Tops = Frame(root, width = 1600, relief = SUNKEN)
+Tops.pack(side = TOP)
+
+f1 = Frame(root, width = 800, height = 700,
+							relief = SUNKEN)
+f1.pack(side = LEFT)
+
+localtime = time.asctime(time.localtime(time.time()))
+
+lblInfo = Label(Tops, font = ('helvetica', 50, 'bold'),
+		text = "Encrypt & Decrypt You Messages",
+					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()
+
+def qExit():
+	root.destroy()
+
+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")
+				
+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)
+
+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)
+
+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))
+
+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)
+
+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)
+
+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)
+
+root.mainloop()
\ No newline at end of file