assertTrue(result);
            assertFalse(response.isVerifyFailed());
        }

        @Test
        @DisplayName("Should handle signature verification failure")
        void testVerifySignatureFailure() {
            byte[] buffer = new byte[100];
            response.setDigest(mockDigest);
            when(mockDigest.verify(buffer, 0, 100, 0, response)).thenReturn(true);