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author | David Reid <dreid@dreid.org> | 2013-11-12 16:41:13 -0800 |
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committer | David Reid <dreid@dreid.org> | 2013-11-12 16:41:13 -0800 |
commit | 152d6bec8c34c52d75373dd8d99a3d159baa9550 (patch) | |
tree | c8bee3c932c0173f6fa025ac0eb5e990fdf8cc51 /tests/hazmat | |
parent | 4faa094526f49c83a75d21a6e796546d4d539c6c (diff) | |
download | cryptography-152d6bec8c34c52d75373dd8d99a3d159baa9550.tar.gz cryptography-152d6bec8c34c52d75373dd8d99a3d159baa9550.tar.bz2 cryptography-152d6bec8c34c52d75373dd8d99a3d159baa9550.zip |
raise an exception if you try to use a HashContext after finalize is called.
Diffstat (limited to 'tests/hazmat')
-rw-r--r-- | tests/hazmat/primitives/test_hashes.py | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/tests/hazmat/primitives/test_hashes.py b/tests/hazmat/primitives/test_hashes.py index 6cdb0a07..a5c440b8 100644 --- a/tests/hazmat/primitives/test_hashes.py +++ b/tests/hazmat/primitives/test_hashes.py @@ -19,6 +19,7 @@ import pytest import six +from cryptography import exceptions from cryptography.hazmat.bindings import _default_backend from cryptography.hazmat.primitives import hashes @@ -51,6 +52,16 @@ class TestHashContext(object): with pytest.raises(TypeError): hashes.Hash(hashes.SHA1) + def test_raises_after_finalize(self): + h = hashes.Hash(hashes.SHA1()) + h.finalize() + + with pytest.raises(exceptions.AlreadyFinalized): + h.update(b"foo") + + with pytest.raises(exceptions.AlreadyFinalized): + h.copy() + class TestSHA1(object): test_SHA1 = generate_base_hash_test( |