gf(2) mod

c = a % b

Calculate c = a/b, result is cremainder

gf(2) Polynomial long division

c = a/b

a = b0000000000000000000000000000000000000000010101000100010000000101
a = 0x0000000000544405
a = x22 + x20 + x18 + x14 + x10 + x2 + 1

b = b0000000000000000000000000000000000000000000100000001010100000001
b = 0x0000000000101501
b = x20 + x12 + x10 + x8 + 1

  10101000100010000000101 | 100000001010100000001
- 100000001010100000001   | 1
  ----------------------- |
    101000001000000000001 |
-  000000000000000000000  | 0
-   100000001010100000001 | 1
  ----------------------- |
      1000000010100000000 |

cquotient = b0000000000000000000000000000000000000000000000000000000000000101
cquotient = 0x0000000000000005
cquotient = x2 + 1

cremainder = b0000000000000000000000000000000000000000000001000000010100000000
cremainder = 0x0000000000040500
cremainder = x18 + x10 + x8