security: Restore automatic key ID generation for symmetric keys

Change-Id: Ic846b02e347b85f0053495a76ebcf8746138d8cf
Refs: #3989
diff --git a/tests/unit-tests/security/key-params.t.cpp b/tests/unit-tests/security/key-params.t.cpp
index a877625..8903e46 100644
--- a/tests/unit-tests/security/key-params.t.cpp
+++ b/tests/unit-tests/security/key-params.t.cpp
@@ -100,6 +100,11 @@
   BOOST_CHECK_EQUAL(params5.getKeySize(), 128);
   BOOST_CHECK_EQUAL(params5.getKeyIdType(), KeyIdType::USER_SPECIFIED);
   BOOST_CHECK_EQUAL(params5.getKeyId(), keyId);
+
+  AesKeyParams params6(192);
+  BOOST_CHECK(params6.getKeyType() == KeyType::AES);
+  BOOST_CHECK_EQUAL(params6.getKeySize(), 192);
+  BOOST_CHECK(params6.getKeyIdType() == KeyIdType::RANDOM);
 }
 
 BOOST_AUTO_TEST_CASE(KeyIdTypeInfo)