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testsuite: add argon2 wrong-passphrase test for decrypt_key_file, refs #9686

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Mrityunjay Raj 2026-05-31 20:30:58 +05:30
parent 4f90df660a
commit a6124fc284
1 changed files with 10 additions and 0 deletions
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10
src/borg/testsuite/crypto/key_test.py
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@ -318,3 +318,13 @@ def test_key_file_roundtrip(monkeypatch):
assert to_dict(load_me) == to_dict(save_me)
assert msgpack.unpackb(a2b_base64(saved))["algorithm"] == KEY_ALGORITHMS["argon2"]
def test_argon2_wrong_passphrase_returns_none(monkeypatch):
# a wrong passphrase derives a different key, so the Argon2 integrity check fails;
# decrypt_key_file signals this by returning None, not by raising (refs #8036)
repository = MagicMock(id=b"repository_id")
monkeypatch.setenv("BORG_PASSPHRASE", "correct passphrase")
key = AESOCBRepoKey.create(repository, args=MagicMock(key_algorithm="argon2"))
saved = repository.save_key.call_args.args[0]
assert key.decrypt_key_file(a2b_base64(saved), "wrong passphrase") is None