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#!/usr/bin/env python
import sys
import click
from pyecsca.ec.divpoly import mult_by_n
from pyecsca.ec.params import get_params
from datetime import datetime
@click.command()
@click.option("-n", type=click.INT, default=21)
def main(n):
p256 = get_params("secg", "secp256r1", "projective")
print("Benchmarking divpoly computation on P-256...", file=sys.stderr)
ns = []
durs = []
mems = []
for i in range(2, n):
start = datetime.now()
mx, my = mult_by_n(p256.curve, i)
end = datetime.now()
duration = (end - start).total_seconds()
memory = (mx[0].degree() + mx[1].degree() + my[0].degree() + my[1].degree()) * 32
ns.append(i)
durs.append((end - start).total_seconds())
mems.append(memory)
print(i, duration, memory, sep=",")
if __name__ == "__main__":
main()
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