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| author | J08nY | 2018-12-27 19:24:56 +0100 |
|---|---|---|
| committer | J08nY | 2019-03-21 11:00:14 +0100 |
| commit | e016716968700950f9a92f14389d20f643365c5e (patch) | |
| tree | b9217dabaec37f59a5834429712aa04bf673510e /test/ec/test_mult.py | |
| parent | 0f844cc1e15564dd1b53d7bfbe175302730c9758 (diff) | |
| download | pyecsca-e016716968700950f9a92f14389d20f643365c5e.tar.gz pyecsca-e016716968700950f9a92f14389d20f643365c5e.tar.zst pyecsca-e016716968700950f9a92f14389d20f643365c5e.zip | |
Diffstat (limited to 'test/ec/test_mult.py')
| -rw-r--r-- | test/ec/test_mult.py | 27 |
1 files changed, 23 insertions, 4 deletions
diff --git a/test/ec/test_mult.py b/test/ec/test_mult.py index 100e53d..2914916 100644 --- a/test/ec/test_mult.py +++ b/test/ec/test_mult.py @@ -59,8 +59,8 @@ class ScalarMultiplierTests(TestCase): mult = LadderMultiplier(self.curve25519, self.coords25519.formulas["ladd-1987-m"], self.coords25519.formulas["scale"]) res = mult.multiply(15, self.base25519) - other = mult.multiply(3, self.base25519) - other = mult.multiply(5, other) + other = mult.multiply(5, self.base25519) + other = mult.multiply(3, other) self.assertEqual(res, other) def test_simple_ladder(self): @@ -72,6 +72,18 @@ class ScalarMultiplierTests(TestCase): other = mult.multiply(2, other) self.assertEqual(res, other) + def test_ladder_differential(self): + ladder = LadderMultiplier(self.curve25519, self.coords25519.formulas["ladd-1987-m"], + self.coords25519.formulas["scale"]) + # TODO: fix this + differential = SimpleLadderMultiplier(self.curve25519, + self.coords25519.formulas["dadd-1987-m"], + self.coords25519.formulas["dbl-1987-m"], + self.coords25519.formulas["scale"]) + res_ladder = ladder.multiply(15, self.base25519) + res_differential = differential.multiply(15, self.base25519) + self.assertEqual(res_ladder, res_differential) + def test_binary_naf(self): mult = BinaryNAFMultiplier(self.secp128r1, self.coords.formulas["add-1998-cmo"], self.coords.formulas["dbl-1998-cmo"], @@ -90,6 +102,13 @@ class ScalarMultiplierTests(TestCase): other = mult.multiply(2, other) self.assertEqual(res, other) + mult = WindowNAFMultiplier(self.secp128r1, self.coords.formulas["add-1998-cmo"], + self.coords.formulas["dbl-1998-cmo"], + self.coords.formulas["neg"], 3, self.coords.formulas["z"], + precompute_negation=True) + res_precompute = mult.multiply(10, self.base) + self.assertEqual(res_precompute, res) + def test_basic_multipliers(self): ltr = LTRMultiplier(self.secp128r1, self.coords.formulas["add-1998-cmo"], self.coords.formulas["dbl-1998-cmo"], self.coords.formulas["z"]) @@ -129,7 +148,7 @@ class ScalarMultiplierTests(TestCase): self.assertEqual(res_ladder, res_ltr) coron = CoronMultiplier(self.secp128r1, self.coords.formulas["add-1998-cmo"], - self.coords.formulas["dbl-1998-cmo"], - self.coords.formulas["z"]) + self.coords.formulas["dbl-1998-cmo"], + self.coords.formulas["z"]) res_coron = coron.multiply(10, self.base) self.assertEqual(res_coron, res_ltr) |