assertFalse(result, "Should return false for null data buffer");
        }

        @Test
        @DisplayName("Should handle negative offset in verify method")
        void testVerifyNegativeOffset() {
            byte[] data = new byte[128];
            boolean result = digest.verify(data, -1, 100, 0, response);
            assertFalse(result, "Should return false for negative offset");
        }