4. Information: Composite fields are among the most efficientways to implement the S-box inhardware (LUTs are good on FPGAs but composite fields are morearea-efficient on ASICs). As youknow, inver 4. Information: Composite fields are among the most efficient ways to implement the S-box in hardware (LUTs are good on FPGAs but composite fields are more area-efficient on ASICS). As you know, inver 1 answer