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| author | David Reid <dreid@dreid.org> | 2014-01-28 16:51:49 -0800 |
|---|---|---|
| committer | David Reid <dreid@dreid.org> | 2014-02-03 10:05:27 -0800 |
| commit | f3f8df349f78b38a9a713030e25b7a238e32cb21 (patch) | |
| tree | 220d19d411ad0316de7d87c6dba9b64008d0f34b /tests/hazmat/primitives/test_hkdf.py | |
| parent | e03a289ee46347a4765ff486d58f0c04f56af21b (diff) | |
| download | cryptography-f3f8df349f78b38a9a713030e25b7a238e32cb21.tar.gz cryptography-f3f8df349f78b38a9a713030e25b7a238e32cb21.tar.bz2 cryptography-f3f8df349f78b38a9a713030e25b7a238e32cb21.zip | |
Complete test coverage
Diffstat (limited to 'tests/hazmat/primitives/test_hkdf.py')
| -rw-r--r-- | tests/hazmat/primitives/test_hkdf.py | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/tests/hazmat/primitives/test_hkdf.py b/tests/hazmat/primitives/test_hkdf.py index 171cf552..f3345b05 100644 --- a/tests/hazmat/primitives/test_hkdf.py +++ b/tests/hazmat/primitives/test_hkdf.py @@ -63,6 +63,32 @@ class TestHKDF(object): with pytest.raises(exceptions.AlreadyFinalized): hkdf.verify(b"\x02" * 16, b"gJ\xfb{\xb1Oi\xc5sMC\xb7\xe4@\xf7u") + hkdf = HKDF( + hashes.SHA256(), + 16, + salt=None, + info=None, + backend=backend + ) + + hkdf.extract(b"\x01" * 16) + + with pytest.raises(exceptions.AlreadyFinalized): + hkdf.extract(b"\x02" * 16) + + hkdf = HKDF( + hashes.SHA256(), + 16, + salt=None, + info=None, + backend=backend + ) + + hkdf.expand(b"\x01" * 16) + + with pytest.raises(exceptions.AlreadyFinalized): + hkdf.expand(b"\x02" * 16) + def test_verify(self, backend): hkdf = HKDF( hashes.SHA256(), |