Added missing testcase for AESGCM

pyca · Jul 7, 2023 · a274bfb · a274bfb
1 parent 4e3120c
commit a274bfb
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/tests/hazmat/primitives/test_aead.py b/tests/hazmat/primitives/test_aead.py
@@ -389,6 +389,12 @@ def test_data_too_large(self):
         with pytest.raises(OverflowError):
             aesgcm.encrypt(nonce, b"", large_data)
 
+    def test_decrypt_data_too_short(self):
+        key = AESGCM.generate_key(128)
+        aesgcm = AESGCM(key)
+        with pytest.raises(InvalidTag):
+            aesgcm.decrypt(b"0" * 12, b"0", None)
+
     def test_vectors(self, backend, subtests):
         vectors = _load_gcm_vectors()
         for vector in vectors: