Files
seedPass/src/tests/test_decrypt_data_legacy_fallback.py
2025-08-03 19:34:27 -04:00

37 lines
1.3 KiB
Python

import base64
import hashlib
import unicodedata
from helpers import TEST_PASSWORD
import seedpass.core.encryption as enc_module
from seedpass.core.encryption import EncryptionManager
from utils.key_derivation import derive_key_from_password
def test_decrypt_data_password_fallback(tmp_path, monkeypatch):
calls: list[int] = []
def _fast_legacy_key(password: str, iterations: int = 100_000) -> bytes:
calls.append(iterations)
normalized = unicodedata.normalize("NFKD", password).strip().encode("utf-8")
key = hashlib.pbkdf2_hmac("sha256", normalized, b"", 1, dklen=32)
return base64.urlsafe_b64encode(key)
monkeypatch.setattr(
enc_module, "_derive_legacy_key_from_password", _fast_legacy_key
)
monkeypatch.setattr(
enc_module, "prompt_existing_password", lambda *_a, **_k: TEST_PASSWORD
)
monkeypatch.setattr("builtins.input", lambda *_a, **_k: "1")
legacy_key = _fast_legacy_key(TEST_PASSWORD, iterations=50_000)
legacy_mgr = EncryptionManager(legacy_key, tmp_path)
payload = legacy_mgr.encrypt_data(b"secret")
new_key = derive_key_from_password(TEST_PASSWORD, "fp")
new_mgr = EncryptionManager(new_key, tmp_path)
assert new_mgr.decrypt_data(payload) == b"secret"
assert calls == [50_000, 50_000]