59 lines
1.9 KiB
Python
Executable File
59 lines
1.9 KiB
Python
Executable File
#!/usr/bin/env python3
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import sys; assert sys.version_info[0] >= 3, "Python 3 required."
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from .group_hash import map_to_curve_simple_swu
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from .iso_pallas import Point as IsoPoint
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from .pallas import Fp
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from ..utils import leos2ip
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from ..output import render_args, render_tv
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from ..rand import Rand
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def main():
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fixed_test_vectors = [
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(Fp(0), IsoPoint(Fp(19938918781445865934736160264407396416050199005817793816893455093350997047296),
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Fp(1448774895934493446148762800986014913165975534940595774801697325542407056356))),
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(Fp(1), IsoPoint(Fp(5290181550357368025040301950220623271393946308300025648720253222947454165280),
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Fp(24520995241805476578231005891941079870703368870355132644748659103632565232759))),
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(Fp(0x123456789abcdef123456789abcdef123456789abcdef123456789abcdef0123),
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IsoPoint(Fp(16711718778908753690082328243251803703269853000652055785581237369882690082595),
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Fp(1764705856161931038824461929646873031992914829456409784642560948827969833589))),
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]
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for (u, point) in fixed_test_vectors:
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P = map_to_curve_simple_swu(u)
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assert P == point
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test_vectors = [u for (u, _) in fixed_test_vectors]
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from random import Random
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rng = Random(0xabad533d)
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def randbytes(l):
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ret = []
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while len(ret) < l:
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ret.append(rng.randrange(0, 256))
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return bytes(ret)
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rand = Rand(randbytes)
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# Generate random test vectors
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for _ in range(10):
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test_vectors.append(Fp(leos2ip(rand.b(32))))
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render_tv(
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render_args(),
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'orchard_map_to_curve',
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(
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('u', '[u8; 32]'),
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('point', '[u8; 32]'),
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),
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[{
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'u': bytes(u),
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'point': bytes(map_to_curve_simple_swu(u)),
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} for u in test_vectors],
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)
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if __name__ == "__main__":
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main()
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