assertEquals(initialFlags | ServerMessageBlock2.SMB2_FLAGS_SIGNED, flags, "Other flags should be preserved");
        }

        @Test
        @DisplayName("Should handle offset correctly")
        void testSignWithOffset() {
            byte[] largeData = new byte[256];
            int offset = 64;
            Arrays.fill(largeData, (byte) 0x00);

            digest.sign(largeData, offset, 128, request, response);