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-rw-r--r--tests/primitives/test_ciphers.py4
1 files changed, 4 insertions, 0 deletions
diff --git a/tests/primitives/test_ciphers.py b/tests/primitives/test_ciphers.py
index 31b4275e..891c5cf8 100644
--- a/tests/primitives/test_ciphers.py
+++ b/tests/primitives/test_ciphers.py
@@ -27,3 +27,7 @@ class TestAES(object):
def test_key_size(self, key, keysize):
cipher = AES(binascii.unhexlify(key))
assert cipher.key_size == keysize
+
+ def test_invalid_key_size(self):
+ with pytest.raises(ValueError):
+ AES(binascii.unhexlify(b"0" * 12))