gf_reference/gfbmul.py

   1 from nmigen_gf.reference.state import ST
   2 from nmigen_gf.reference.decode_reducing_polynomial import decode_reducing_polynomial
   3 from nmigen_gf.reference.clmul import clmul
   4 from nmigen_gf.reference.cldivrem import cldivrem
   5
   6
   7 def gfbmul(a, b):
   8     product = clmul(a, b)
   9     red_poly = decode_reducing_polynomial()
  10     q, r = cldivrem(product, red_poly, width=ST.XLEN + 1)
  11     return r