gf_reference/gfbmadd.py

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