Breezip Password «macOS Fresh»

def _encrypt(self, plaintext: str, password: str) -> str: """Encrypt data with AES-256-CBC.""" salt = os.urandom(SALT_SIZE) iv = os.urandom(IV_SIZE) key = self._derive_key(password, salt) cipher = Cipher(algorithms.AES(key), modes.CBC(iv), backend=default_backend()) encryptor = cipher.encryptor() # Pad plaintext to multiple of 16 bytes padded = plaintext.encode() + b"\x00" * (16 - len(plaintext) % 16) ciphertext = encryptor.update(padded) + encryptor.finalize() # Store: salt + iv + ciphertext combined = salt + iv + ciphertext return base64.b64encode(combined).decode()

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 breezip password

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() def _encrypt(self, plaintext: str, password: str) -> str:

### **5. Security Notes**