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from functools import partial
import pytest
from pyecsca.ec.coordinates import EFDCoordinateModel
from pyecsca.ec.mult import LTRMultiplier, CombMultiplier
from pyecsca.sca.re.rpa import multiple_graph
from pyecsca.sca.re.epa import errors_out
def test_errors_out(secp128r1):
ctx, out = multiple_graph(
scalar=15,
params=secp128r1,
mult_class=LTRMultiplier,
mult_factory=LTRMultiplier,
)
res_empty_checks = errors_out(
ctx,
out,
check_funcs={},
check_condition="all",
precomp_to_affine=True,
)
assert not res_empty_checks
def add_check(k, l): # noqa
return k == 6
res_check_k_add = errors_out(
ctx,
out,
check_funcs={"add": add_check},
check_condition="all",
precomp_to_affine=True,
)
assert res_check_k_add
def affine_check(k):
return k == 15
res_check_k_affine = errors_out(
ctx,
out,
check_funcs={"affine": affine_check},
check_condition="all",
precomp_to_affine=True,
)
assert res_check_k_affine
def test_errors_out_comb(secp128r1):
ctx, out = multiple_graph(
scalar=15,
params=secp128r1,
mult_class=CombMultiplier,
mult_factory=partial(CombMultiplier, width=2),
)
def affine_check_comb(k):
return k == 2**64
res_check_k_affine_precomp = errors_out(
ctx,
out,
check_funcs={"affine": affine_check_comb},
check_condition="all",
precomp_to_affine=True,
)
assert res_check_k_affine_precomp
res_check_k_no_affine_precomp = errors_out(
ctx,
out,
check_funcs={"affine": affine_check_comb},
check_condition="all",
precomp_to_affine=False,
)
assert not res_check_k_no_affine_precomp
@pytest.mark.skip(reason="Debug only")
def test_memory_consumption(secp128r1):
ctx, out = multiple_graph(
scalar=2**127 + 12127486321,
params=secp128r1,
mult_class=LTRMultiplier,
mult_factory=LTRMultiplier,
)
try:
from pympler.asizeof import Asizer
sizer = Asizer()
sizer.exclude_types(EFDCoordinateModel)
print(sizer.asized(ctx, detail=2).format())
print(sizer.asized(out, detail=2).format())
except ImportError:
pass
|
