✔️ AES-256 encryption (FIPS 197 standard)

✔️ Secure key derivation (PBKDF2-HMAC-SHA512)

✔️ File integrity check (HMAC)

✔️ GUI interface (Tkinter)

✔️ Open source code

📜 Code: python

SECURE FILE ENCRYPTION TOOL (GITHUB COMPLIANT)

Legal use only - Personal data protection

import os import tkinter as tk from tkinter import filedialog from Crypto.Cipher import AES from Crypto.Protocol.KDF import PBKDF2 from Crypto.Hash import HMAC, SHA512 from Crypto.Random import get_random_bytes

Constants

SALT_SIZE = 32 ITERATIONS = 100000

def derive_key(password: str, salt: bytes) -> bytes: return PBKDF2(password.encode(), salt, dkLen=32, count=ITERATIONS, hmac_hash_module=SHA512)

def encrypt_file(): file_path = filedialog.askopenfilename() password = password_entry.get()

salt = get_random_bytes(SALT_SIZE)

key = derive_key(password, salt)

cipher = AES.new(key, AES.MODE_GCM)

hmac = HMAC.new(key, digestmod=SHA512)

with open(file_path, 'rb') as f:

data = f.read()

ciphertext, tag = cipher.encrypt_and_digest(data)

hmac.update(ciphertext)

output_path = file_path + ".enc"

with open(output_path, 'wb') as f: [f.write(x) for x in (salt, cipher.nonce, tag, hmac.digest(), ciphertext)]

status_label.config(text=f "Encrypted: {output_path}")

def decrypt_file(): # ... (Message for full code) ...

GUI Setup

app = tk.Tk() app.title("Secure File Vault - GitHub Compliant") app.geometry("400x200