mirror of
https://source.quilibrium.com/quilibrium/ceremonyclient.git
synced 2024-12-27 09:05:18 +00:00
86 lines
2.0 KiB
Go
86 lines
2.0 KiB
Go
package bulletproof
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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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"source.quilibrium.com/quilibrium/monorepo/nekryptology/pkg/core/curves"
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)
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func TestInnerProductHappyPath(t *testing.T) {
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curve := curves.ED25519()
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a := randScalarVec(3, *curve)
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b := randScalarVec(3, *curve)
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_, err := innerProduct(a, b)
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require.NoError(t, err)
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}
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func TestInnerProductMismatchedLengths(t *testing.T) {
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curve := curves.ED25519()
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a := randScalarVec(3, *curve)
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b := randScalarVec(4, *curve)
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_, err := innerProduct(a, b)
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require.Error(t, err)
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}
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func TestInnerProductEmptyVector(t *testing.T) {
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curve := curves.ED25519()
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a := randScalarVec(0, *curve)
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b := randScalarVec(0, *curve)
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_, err := innerProduct(a, b)
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require.Error(t, err)
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}
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func TestInnerProductOut(t *testing.T) {
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curve := curves.ED25519()
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a := randScalarVec(2, *curve)
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b := randScalarVec(2, *curve)
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c, err := innerProduct(a, b)
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require.NoError(t, err)
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// Calculate manually a0*b0 + a1*b1
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cPrime := a[0].Mul(b[0]).Add(a[1].Mul(b[1]))
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require.Equal(t, c, cPrime)
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}
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func TestSplitListofPointsHappyPath(t *testing.T) {
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curve := curves.ED25519()
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points := randPointVec(10, *curve)
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firstHalf, secondHalf, err := splitPointVector(points)
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require.NoError(t, err)
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require.Len(t, firstHalf, 5)
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require.Len(t, secondHalf, 5)
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}
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func TestSplitListofPointsOddLength(t *testing.T) {
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curve := curves.ED25519()
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points := randPointVec(11, *curve)
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_, _, err := splitPointVector(points)
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require.Error(t, err)
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}
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func TestSplitListofPointsZeroLength(t *testing.T) {
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curve := curves.ED25519()
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points := randPointVec(0, *curve)
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_, _, err := splitPointVector(points)
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require.Error(t, err)
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}
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func randScalarVec(length int, curve curves.Curve) []curves.Scalar {
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out := make([]curves.Scalar, length)
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for i := 0; i < length; i++ {
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out[i] = curve.Scalar.Random(crand.Reader)
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}
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return out
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}
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func randPointVec(length int, curve curves.Curve) []curves.Point {
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out := make([]curves.Point, length)
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for i := 0; i < length; i++ {
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out[i] = curve.Point.Random(crand.Reader)
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}
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return out
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}
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