def __init__(self, value, order, rand = False):
'''Creates an element value in the field F_order^2.
value must be an array [c,d] that describes polynomial cx + d
If rand parameter is set to True, value will be ignored and a random
element of the field will be returned.
@note: Ensuring that order is prime is programmer responsibility!
'''
assert order > 1
if rand:
self.value = [get_256_random_bits_os() % order,
get_256_random_bits_os() % order]
else:
self.value = [value[0] % order, value[1] % order]
self.order = order
self.orderexp = order ** self.exp
def __init__(self, value, order, rand = False):
'''Creates an element value in the field F_order.
If rand parameter is set to True, value will be ignored and a random
element of the field will be returned.
@note: Ensuring that order is prime is programmer responsibility!
'''
assert order > 1
if rand:
self.value = get_256_random_bits_os() % order
else:
self.value = value % order
self.order = order
