import GF
import random
w = 8
total = 2 ** w
gf = GF.GF(w)
def vector_mul(a, b):
res = 0
for i in range(len(a)):
res = gf.add(res, gf.mul(a[i], b[i]))
return res
def matrix_mul(a, b):
a_row = len(a)
b_col = len(b[0])
b_row = len(b)
result = []
for i in range(a_row):
row_vector = []
for j in range(b_col):
row_vector.append(vector_mul(a[i], [b[m][j] for m in range(b_row)]))
result.append(row_vector)
return result
def stringToList(s):
if s == '':
return []
s = s[1:len(s)-1]
s = s.replace(' ', '')
#print(s)
import GF gf = GF.GF(8) print(gf.div(140, 172)) print(gf.mul(77, 15)) print(gf.sub(140, 172)) print(gf.add(32, 172))
