assertArrayEquals(clientData, Arrays.copyOfRange(result, 16, 16 + clientData.length));
    }

    @Test
    @DisplayName("getLMv2Response(byte[]): delegates to computeResponse")
    void testGetLMv2Response_bytes_delegates() {
        // Arrange
        byte[] key = hex("000102030405060708090A0B0C0D0E0F");
        byte[] server = hex("0102030405060708");
        byte[] client = hex("FEEDFACECAFEBEEF");

        // Act