Files & data

import os
from pathlib import Path
from cryptography.fernet import Fernet

def generate_key(key_file: Path) -> bytes:
    key = Fernet.generate_key()
    key_file.write_bytes(key)
    return key

def load_key(key_file: Path) -> bytes:
    return key_file.read_bytes()

def encrypt_file(input_path: Path, key: bytes, out…