Breezip Password Today

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### **5. Security Notes**

def _decrypt(self, enc_data: str, password: str) -> str: """Decrypt AES-256-CBC encrypted data.""" raw = base64.b64decode(enc_data) salt = raw[:SALT_SIZE] iv = raw[SALT_SIZE:SALT_SIZE + IV_SIZE] ciphertext = raw[SALT_SIZE + IV_SIZE:] key = self._derive_key(password, salt) cipher = Cipher(algorithms.AES(key), modes.CBC(iv), backend=default_backend()) decryptor = cipher.decryptor() decrypted_padded = decryptor.update(ciphertext) + decryptor.finalize() # Remove padding return decrypted_padded.rstrip(b"\x00").decode() breezip password

def save(self): """Save data to encrypted file.""" if not self.master_password: print("❌ Master password not set.") return json_str = json.dumps(self.data, indent=2) enc_content = self._encrypt(json_str, self.master_password) with open(STORAGE_FILE, "w") as f: f.write(enc_content) print("✅ Data saved securely.") --- ### **5

def get_entry(self): """Retrieve and display a password entry.""" if not self.data: print("⚠️ No entries found.") return service = input("Service name to retrieve: ").strip() entry = self.data.get(service) if not entry: print(f"❌ No entry found for 'service'.") return print(f"\n🔐 Service: service") print(f"👤 Username: entry['username']") print(f"🔑 Password: entry['password']") if entry['notes']: print(f"📝 Notes: entry['notes']") # Optional copy to clipboard (requires pyperclip) try: import pyperclip copy_choice = input("\nCopy password to clipboard? (y/n): ").lower() if copy_choice == 'y': pyperclip.copy(entry['password']) print("✅ Password copied to clipboard.") except ImportError: pass password: str) -&gt

def delete_entry(self): """Delete a service entry.""" service = input("Service name to delete: ").strip() if service in self.data: del self.data[service] self.save() print(f"✅ 'service' deleted.") else: print(f"❌ 'service' not found.")