with open(LOCKED_FLAG, "r") as f: folder_path = f.read().strip()
def derive_key(password: str, salt: bytes) -> bytes: kdf = PBKDF2( algorithm=hashes.SHA256(), length=32, salt=salt, iterations=100000, ) return base64.urlsafe_b64encode(kdf.derive(password.encode())) folder lock github
key = derive_key(password, salt) cipher = Fernet(key) with open(LOCKED_FLAG, "r") as f: folder_path = f
salt_path = os.path.join(folder_path, ".salt") if not os.path.exists(salt_path): print("Corrupted locker.") return salt: bytes) ->