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Fix legacy decryption iterations

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thePR0M3TH3AN
2025-08-03 17:53:42 -04:00
parent 2f95944318
commit 6fa9f0839e
3 changed files with 23 additions and 15 deletions
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17
src/tests/test_decrypt_data_legacy_fallback.py
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@@ -8,13 +8,15 @@ from seedpass.core.encryption import EncryptionManager
from utils.key_derivation import derive_key_from_password
def _fast_legacy_key(password: str, iterations: int = 100_000) -> bytes:
normalized = unicodedata.normalize("NFKD", password).strip().encode("utf-8")
key = hashlib.pbkdf2_hmac("sha256", normalized, b"", 1, dklen=32)
return base64.urlsafe_b64encode(key)
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
)
@@ -22,7 +24,7 @@ def test_decrypt_data_password_fallback(tmp_path, monkeypatch):
enc_module, "prompt_existing_password", lambda *_a, **_k: TEST_PASSWORD
)
legacy_key = _fast_legacy_key(TEST_PASSWORD)
legacy_key = _fast_legacy_key(TEST_PASSWORD, iterations=50_000)
legacy_mgr = EncryptionManager(legacy_key, tmp_path)
payload = legacy_mgr.encrypt_data(b"secret")
@@ -30,3 +32,4 @@ def test_decrypt_data_password_fallback(tmp_path, monkeypatch):
new_mgr = EncryptionManager(new_key, tmp_path)
assert new_mgr.decrypt_data(payload) == b"secret"
assert calls == [50_000, 50_000]