def test_add(self):
e = []
for i in range(100):
seed = str(i).encode("ascii")
s = password_to_scalar(seed)
e.append(Base.scalarmult(s))
for i in range(100):
x = random.choice(e)
y = random.choice(e)
sum1 = element_from_affine(
slow_add_affine(xform_extended_to_affine(x.XYTZ),
xform_extended_to_affine(y.XYTZ)))
sum2 = x.add(y)
self.assertElementsEqual(sum1, sum2)
if x != y:
sum3 = Element(_add_elements_nonunfied(x.XYTZ, y.XYTZ))
self.assertElementsEqual(sum1, sum3)
def test_add(self):
e = []
for i in range(100):
seed = str(i).encode("ascii")
s = password_to_scalar(seed)
e.append(Base.scalarmult(s))
for i in range(100):
x = random.choice(e)
y = random.choice(e)
sum1 = element_from_affine(
slow_add_affine(xform_extended_to_affine(x.XYTZ),
xform_extended_to_affine(y.XYTZ)))
sum2 = x.add(y)
self.assertElementsEqual(sum1, sum2)
if x != y:
sum3 = Element(_add_elements_nonunfied(x.XYTZ, y.XYTZ))
self.assertElementsEqual(sum1, sum3)
def _scalarmult_affine_to_extended_inner(xpt, n):
if n == 0:
return xform_affine_to_extended((0, 1))
_ = double_element(_scalarmult_affine_to_extended_inner(xpt, n >> 1))
return _add_elements_nonunfied(_, xpt) if n & 1 else _
def _scalarmult_affine_to_extended_inner(xpt, n):
if n==0: return xform_affine_to_extended((0,1))
_ = double_element(_scalarmult_affine_to_extended_inner(xpt, n>>1))
return _add_elements_nonunfied(_, xpt) if n&1 else _
