These routine use the polynomial x^16 + x^12 + x^5 + 1, that is used ³ by ARC. The data for this routine is fed in least to most ³ significant bits, and is calculated as it goes.-　These routine use the polynomial x^16+ x^12+ x^5+ 1, that is used ³　　 by ARC. The data for this routine is fed in　least to most ³　　 significant bits, and is calculated as it goes.