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fix: Refactor crypto
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@@ -1,138 +0,0 @@
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//
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// Copyright Coinbase, Inc. All Rights Reserved.
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//
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// SPDX-License-Identifier: Apache-2.0
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//
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package curves
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import (
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crand "crypto/rand"
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"testing"
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"github.com/stretchr/testify/require"
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"github.com/onsonr/sonr/crypto/core/curves/native/pasta/fp"
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"github.com/onsonr/sonr/crypto/core/curves/native/pasta/fq"
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)
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func TestPointPallasAddDoubleMul(t *testing.T) {
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g := new(Ep).Generator()
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id := new(Ep).Identity()
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require.Equal(t, g.Add(g, id), g)
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g2 := new(Ep).Add(g, g)
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require.True(t, new(Ep).Double(g).Equal(g2))
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require.Equal(t, new(Ep).Double(g), new(Ep).Add(g, g))
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g3 := new(Ep).Add(g, g2)
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require.True(t, g3.Equal(new(Ep).Mul(g, new(fq.Fq).SetUint64(3))))
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g4 := new(Ep).Add(g3, g)
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require.True(t, g4.Equal(new(Ep).Double(g2)))
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require.True(t, g4.Equal(new(Ep).Mul(g, new(fq.Fq).SetUint64(4))))
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}
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func TestPointPallasHash(t *testing.T) {
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h0 := new(Ep).Hash(nil)
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require.True(t, h0.IsOnCurve())
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h1 := new(Ep).Hash([]byte{})
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require.True(t, h1.IsOnCurve())
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require.True(t, h0.Equal(h1))
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h2 := new(Ep).Hash([]byte{1})
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require.True(t, h2.IsOnCurve())
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}
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func TestPointPallasNeg(t *testing.T) {
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g := new(Ep).Generator()
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g.Neg(g)
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require.True(t, g.Neg(g).Equal(new(Ep).Generator()))
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id := new(Ep).Identity()
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require.True(t, new(Ep).Neg(id).Equal(id))
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}
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func TestPointPallasRandom(t *testing.T) {
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a := new(Ep).Random(testRng())
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require.NotNil(t, a.x)
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require.NotNil(t, a.y)
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require.NotNil(t, a.z)
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require.True(t, a.IsOnCurve())
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e := &Ep{
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x: &fp.Fp{
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0x7263083d01d4859c,
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0x65a03323b5a3d204,
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0xe71d73222b136668,
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0x1d1b1bcf1256b539,
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},
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y: &fp.Fp{
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0x8cc2516ffe23e1bb,
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0x5418f941eeaca812,
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0x16c9af658a846f29,
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0x11c572091c418668,
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},
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z: &fp.Fp{
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0xa879589adb77a88e,
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0x5444a531a19f2406,
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0x637ff77c51dda524,
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0x0369e90d219ce821,
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},
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}
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require.True(t, a.Equal(e))
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}
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func TestPointPallasSerialize(t *testing.T) {
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ss := new(ScalarPallas).Random(testRng()).(*ScalarPallas)
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g := new(Ep).Generator()
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ppt := new(Ep).Mul(g, ss.value)
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require.Equal(t, ppt.ToAffineCompressed(), []byte{0x1c, 0x6d, 0x47, 0x1f, 0x4a, 0x81, 0xcd, 0x8, 0x4e, 0xb3, 0x17, 0x9a, 0xcd, 0x17, 0xe2, 0x9a, 0x24, 0x69, 0xb, 0x4e, 0x69, 0x5f, 0x35, 0x1a, 0x92, 0x12, 0x95, 0xc9, 0xe6, 0xd3, 0x7a, 0x0})
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require.Equal(t, ppt.ToAffineUncompressed(), []byte{0x1c, 0x6d, 0x47, 0x1f, 0x4a, 0x81, 0xcd, 0x8, 0x4e, 0xb3, 0x17, 0x9a, 0xcd, 0x17, 0xe2, 0x9a, 0x24, 0x69, 0xb, 0x4e, 0x69, 0x5f, 0x35, 0x1a, 0x92, 0x12, 0x95, 0xc9, 0xe6, 0xd3, 0x7a, 0x0, 0x80, 0x5c, 0xa1, 0x56, 0x6d, 0x1b, 0x87, 0x5f, 0xb0, 0x2e, 0xae, 0x85, 0x4e, 0x86, 0xa9, 0xcd, 0xde, 0x37, 0x6a, 0xc8, 0x4a, 0x80, 0xf6, 0x43, 0xaa, 0xe6, 0x2c, 0x2d, 0x15, 0xdb, 0xda, 0x29})
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retP, err := new(Ep).FromAffineCompressed(ppt.ToAffineCompressed())
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require.NoError(t, err)
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require.True(t, ppt.Equal(retP))
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retP, err = new(Ep).FromAffineUncompressed(ppt.ToAffineUncompressed())
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require.NoError(t, err)
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require.True(t, ppt.Equal(retP))
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// smoke test
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for i := 0; i < 25; i++ {
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s := new(ScalarPallas).Random(crand.Reader).(*ScalarPallas)
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pt := new(Ep).Mul(g, s.value)
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cmprs := pt.ToAffineCompressed()
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require.Equal(t, len(cmprs), 32)
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retC, err := new(Ep).FromAffineCompressed(cmprs)
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require.NoError(t, err)
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require.True(t, pt.Equal(retC))
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un := pt.ToAffineUncompressed()
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require.Equal(t, len(un), 64)
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retU, err := new(Ep).FromAffineUncompressed(un)
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require.NoError(t, err)
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require.True(t, pt.Equal(retU))
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}
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}
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func TestPointPallasCMove(t *testing.T) {
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a := new(Ep).Random(crand.Reader)
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b := new(Ep).Random(crand.Reader)
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require.True(t, new(Ep).CMove(a, b, 1).Equal(b))
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require.True(t, new(Ep).CMove(a, b, 0).Equal(a))
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}
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func TestPointPallasSumOfProducts(t *testing.T) {
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lhs := new(Ep).Generator()
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lhs.Mul(lhs, new(fq.Fq).SetUint64(50))
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points := make([]*Ep, 5)
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for i := range points {
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points[i] = new(Ep).Generator()
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}
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scalars := []Scalar{
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new(ScalarPallas).New(8),
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new(ScalarPallas).New(9),
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new(ScalarPallas).New(10),
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new(ScalarPallas).New(11),
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new(ScalarPallas).New(12),
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}
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rhs := lhs.SumOfProducts(points, scalars)
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require.NotNil(t, rhs)
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require.True(t, lhs.Equal(rhs))
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}
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