Как зашифровать txt файл python: простое руководство для начинающих

    from cryptography.fernet import Fernet

    def encrypt_file(file_path):
        # Генерируем ключ
        key = Fernet.generate_key()
        fernet = Fernet(key)
        
        # Читаем содержимое файла
        with open(file_path, 'rb') as file:
            file_data = file.read()
        
        # Шифруем содержимое файла
        encrypted_data = fernet.encrypt(file_data)
        
        # Записываем зашифрованные данные обратно в файл
        with open(file_path, 'wb') as file:
            file.write(encrypted_data)
        
        print("Файл успешно зашифрован")

    file_path = 'путь_к_файлу.txt'
    encrypt_file(file_path)
    

pip install cryptography

from cryptography.fernet import Fernet

def generate_key():
    key = Fernet.generate_key()
    with open("key.txt", "wb") as key_file:
        key_file.write(key)

generate_key()

def encrypt_file(file_path):
    with open("key.txt", "rb") as key_file:
        key = key_file.read()
    
    fernet = Fernet(key)
    
    with open(file_path, "rb") as file:
        file_data = file.read()
    
    encrypted_data = fernet.encrypt(file_data)
    
    with open("encrypted.txt", "wb") as encrypted_file:
        encrypted_file.write(encrypted_data)

file_path = "text.txt"
encrypt_file(file_path)

def decrypt_file(file_path):
    with open("key.txt", "rb") as key_file:
        key = key_file.read()
    
    fernet = Fernet(key)
    
    with open(file_path, "rb") as file:
        encrypted_data = file.read()
    
    decrypted_data = fernet.decrypt(encrypted_data)
    
    with open("decrypted.txt", "wb") as decrypted_file:
        decrypted_file.write(decrypted_data)

file_path = "encrypted.txt"
decrypt_file(file_path)