def test_generate_stacked_transform(self):
"""
This method tests the stacked transformation generation of identity and shift with predefined input and output.
"""
test_array = array([
[1, -1, 1, -1],
[-1, -1, 1, -1],
],
dtype=tools.BIT_TYPE)
assert_array_equal(
LTFArray.generate_stacked_transform(
transform_1=LTFArray.transform_id,
puf_count=2,
transform_2=LTFArray.transform_shift)(test_array, k=4), [
[
[1, -1, 1, -1],
[1, -1, 1, -1],
[1, -1, 1, -1],
[-1, 1, -1, 1],
],
[
[-1, -1, 1, -1],
[-1, -1, 1, -1],
[-1, -1, 1, -1],
[-1, 1, -1, -1],
],
])
def test_transform_stack(self):
test_array = array([
[1, -1, 1, -1],
[-1, -1, 1, -1],
])
assert_array_equal(
LTFArray.generate_stacked_transform(
transform_1=LTFArray.transform_id,
kk=2,
transform_2=LTFArray.transform_shift)(test_array, k=4), [
[
[1, -1, 1, -1],
[1, -1, 1, -1],
[1, -1, 1, -1],
[-1, 1, -1, 1],
],
[
[-1, -1, 1, -1],
[-1, -1, 1, -1],
[-1, -1, 1, -1],
[-1, 1, -1, -1],
],
])