Encryption-Software-With-GUI.py

import tkinter as tk
from tkinter import filedialog, messagebox
from Crypto.Cipher import AES
from Crypto.Random import get_random_bytes
import hashlib, struct, os

PWD = "$MitnickSecure25"
SALT_LEN = 16

def derive_keys(pwd, salt):
    k = hashlib.pbkdf2_hmac("sha256", pwd.encode(), salt, 200_000, dklen=64)
    return k[:32], k[32:]

def crypt_xts(path, mode):
    with open(path, 'rb') as f: data = f.read()
    salt = data[:SALT_LEN] if mode == 'dec' else get_random_bytes(SALT_LEN)
    ct = data[SALT_LEN:] if mode == 'dec' else data
    k1, k2 = derive_keys(PWD, salt)
    cipher = AES.new(k1 + k2, AES.MODE_XTS, tweak=struct.pack("<Q", 0) + b'\0'*8)
    out = cipher.decrypt(ct) if mode == 'dec' else cipher.encrypt(ct)
    out_path = path.replace('.xts', '.dec') if mode == 'dec' else path + '.xts'
    with open(out_path, 'wb') as f: f.write(out if mode == 'dec' else salt + out)
    messagebox.showinfo("Success", f"{'Decrypted' if mode == 'dec' else 'Encrypted'}:\n{out_path}")

class App:
    def __init__(self, root):
        self.path = None
        root.title("AES-256-XTS Encryptor")
        root.geometry("380x190")
        self.splash()
        tk.Button(root, text="Select File", command=self.select).pack(pady=6)
        tk.Button(root, text="Encrypt", command=lambda: self.run('enc')).pack(pady=6)
        tk.Button(root, text="Decrypt", command=lambda: self.run('dec')).pack(pady=6)

    def splash(self):
        art = """
          _____                    _____                    _____                    _____                    _____          
         /\    \                  /\    \                  /\    \                  /\    \                  /\    \         
        /::\    \                /::\    \                /::\____\                /::\____\                /::\    \        
       /::::\    \              /::::\    \              /::::|   |               /::::|   |                \:::\    \       
      /::::::\    \            /::::::\    \            /:::::|   |              /:::::|   |                 \:::\    \      
     /:::/\:::\    \          /:::/\:::\    \          /::::::|   |             /::::::|   |                  \:::\    \     
    /:::/__\:::\    \        /:::/__\:::\    \        /:::/|::|   |            /:::/|::|   |                   \:::\    \    
    \:::\   \:::\    \      /::::\   \:::\    \      /:::/ |::|   |           /:::/ |::|   |                   /::::\    \   
  ___\:::\   \:::\    \    /::::::\   \:::\    \    /:::/  |::|___|______    /:::/  |::|___|______    ____    /::::::\    \  
 /\   \:::\   \:::\    \  /:::/\:::\   \:::\    \  /:::/   |::::::::\    \  /:::/   |::::::::\    \  /\   \  /:::/\:::\    \ 
/::\   \:::\   \:::\____\/:::/  \:::\   \:::\____\/:::/    |:::::::::\____\/:::/    |:::::::::\____\/::\   \/:::/  \:::\____\
\:::\   \:::\   \::/    /\::/    \:::\  /:::/    /\::/    / ~~~~~/:::/    /\::/    / ~~~~~/:::/    /\:::\  /:::/    \::/    /
 \:::\   \:::\   \/____/  \/____/ \:::\/:::/    /  \/____/      /:::/    /  \/____/      /:::/    /  \:::\/:::/    / \/____/ 
  \:::\   \:::\    \               \::::::/    /               /:::/    /               /:::/    /    \::::::/    /          
   \:::\   \:::\____\               \::::/    /               /:::/    /               /:::/    /      \::::/____/           
    \:::\  /:::/    /               /:::/    /               /:::/    /               /:::/    /        \:::\    \           
     \:::\/:::/    /               /:::/    /               /:::/    /               /:::/    /          \:::\    \          
      \::::::/    /               /:::/    /               /:::/    /               /:::/    /            \:::\    \         
       \::::/    /               /:::/    /               /:::/    /               /:::/    /              \:::\____\        
        \::/    /                \::/    /                \::/    /                \::/    /                \::/    /        
         \/____/                  \/____/                  \/____/                  \/____/                  \/____/         
                                                                                                                             
        """
        messagebox.showinfo("SAMMI", art)

    def select(self):
        self.path = filedialog.askopenfilename()
        if self.path: messagebox.showinfo("File", self.path)

    def run(self, mode):
        if not self.path: messagebox.showerror("Error", "No file selected."); return
        crypt_xts(self.path, mode)

if __name__ == "__main__":
    root = tk.Tk()
    App(root)
    root.mainloop()