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#!/usr/bin/env python
from typing import cast
import click
from pyecsca.ec.formula import AdditionFormula, DoublingFormula
from pyecsca.ec.mod import has_gmp
from pyecsca.ec.mult import LTRMultiplier
from pyecsca.ec.params import get_params
from pyecsca.misc.cfg import TemporaryConfig
from test.utils import Profiler
@click.command()
@click.option("-p", "--profiler", type=click.Choice(("py", "c")), default="py")
@click.option(
"-m",
"--mod",
type=click.Choice(("python", "gmp")),
default="gmp" if has_gmp else "python",
)
@click.option("-o", "--operations", type=click.INT, default=50)
@click.option(
"-d",
"--directory",
type=click.Path(file_okay=False, dir_okay=True),
default=None,
envvar="DIR",
)
def main(profiler, mod, operations, directory):
with TemporaryConfig() as cfg:
cfg.ec.mod_implementation = mod
p256 = get_params("secg", "secp256r1", "projective")
coords = p256.curve.coordinate_model
add = cast(AdditionFormula, coords.formulas["add-2015-rcb"])
dbl = cast(DoublingFormula, coords.formulas["dbl-2015-rcb"])
mult = LTRMultiplier(add, dbl)
click.echo(
f"Profiling {operations} {p256.curve.prime.bit_length()}-bit scalar multiplication executions..."
)
one_point = p256.generator
with Profiler(profiler, directory, f"mult_ltr_rcb_p256_{operations}_{mod}"):
for _ in range(operations):
mult.init(p256, one_point)
one_point = mult.multiply(
0x71A55E0C1ABB3A0E069419E0F837BC195F1B9545E69FC51E53C4D48D7FEA3B1A
)
if __name__ == "__main__":
main()
|
