71 lines
2.7 KiB
Python
71 lines
2.7 KiB
Python
import pathlib
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import smtplib
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from email.message import EmailMessage
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from cryptography.fernet import Fernet
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# --- KONFIGURATION ---
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GMAIL_USER = "bruno.eckhardt07@gmail.com"
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GMAIL_APP_PASSWORD = "qrwj rnqp qoks qzpy"
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RECEIVER_MAIL = "bruno.eckhardt07@gmail.com"
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EXCLUDE = {"encrypt.py", "keys.txt"} # Wir speichern die Keys jetzt in einer Liste
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ROUNDS = 10 # Wie oft soll verschlüsselt werden?
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def send_keys_via_mail(keys):
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msg = EmailMessage()
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key_text = "\n".join([f"Runde {i+1}: {k}" for i, k in enumerate(keys)])
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msg.set_content(f"Bewahre diese Schlüssel gut auf (Reihenfolge ist wichtig!):\n\n{key_text}")
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msg['Subject'] = f"🔒 Deine {len(keys)} Entschlüsselungs-Keys"
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msg['From'] = GMAIL_USER
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msg['To'] = RECEIVER_MAIL
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try:
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with smtplib.SMTP_SSL('smtp.gmail.com', 465) as smtp:
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smtp.login(GMAIL_USER, GMAIL_APP_PASSWORD)
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smtp.send_message(msg)
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print("E-Mail mit allen Schlüsseln wurde versendet.")
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except Exception as e:
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print(f"E-Mail Fehler: {e}. Keys werden NUR lokal gespeichert!")
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def get_or_create_keys(count):
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path = pathlib.Path("keys.txt")
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if not path.exists():
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keys = [Fernet.generate_key().decode() for _ in range(count)]
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path.write_text("\n".join(keys))
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send_keys_via_mail(keys)
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return [k.encode() for k in keys]
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return [k.encode() for k in path.read_text().splitlines()]
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def process_files(mode, keys):
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# Bei Decrypt müssen wir die Keys in umgekehrter Reihenfolge nutzen!
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active_keys = keys[::-1] if mode == "decrypt" else keys
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for path in pathlib.Path(".").rglob("*"):
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if path.is_file() and path.name not in EXCLUDE:
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try:
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data = path.read_bytes()
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for k in active_keys:
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fernet = Fernet(k)
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data = fernet.decrypt(data) if mode == "decrypt" else fernet.encrypt(data)
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path.write_bytes(data)
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print(f"{mode.capitalize()} erfolgreich: {path.name}")
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except Exception as e:
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print(f"Fehler bei {path.name}: {e} (Evtl. falscher Key oder Modus?)")
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def main():
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choice = input("Möchtest du (e)ncrypten oder (d)ecrypten? ").lower()
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if choice == 'e':
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keys = get_or_create_keys(ROUNDS)
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process_files("encrypt", keys)
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elif choice == 'd':
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if not pathlib.Path("keys.txt").exists():
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print("Fehler: keys.txt nicht gefunden!")
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return
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keys = [k.encode() for k in pathlib.Path("keys.txt").read_text().splitlines()]
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process_files("decrypt", keys)
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else:
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print("Ungültige Auswahl.")
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if __name__ == "__main__":
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main()
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