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62 lines
1.4 KiB
Go
62 lines
1.4 KiB
Go
package bulletproof
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import (
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"testing"
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"github.com/stretchr/testify/require"
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"golang.org/x/crypto/sha3"
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"source.quilibrium.com/quilibrium/monorepo/nekryptology/pkg/core/curves"
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)
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func TestGeneratorsHappyPath(t *testing.T) {
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curve := curves.ED25519()
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gs, err := getGeneratorPoints(10, []byte("test"), *curve)
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gsConcatenated := concatIPPGenerators(*gs)
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require.NoError(t, err)
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require.Len(t, gs.G, 10)
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require.Len(t, gs.H, 10)
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require.True(t, noDuplicates(gsConcatenated))
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}
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func TestGeneratorsUniquePerDomain(t *testing.T) {
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curve := curves.ED25519()
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gs1, err := getGeneratorPoints(10, []byte("test"), *curve)
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gs1Concatenated := concatIPPGenerators(*gs1)
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require.NoError(t, err)
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gs2, err := getGeneratorPoints(10, []byte("test2"), *curve)
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gs2Concatenated := concatIPPGenerators(*gs2)
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require.NoError(t, err)
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require.True(t, areDisjoint(gs1Concatenated, gs2Concatenated))
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}
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func noDuplicates(gs generators) bool {
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seen := map[[32]byte]bool{}
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for _, G := range gs {
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value := sha3.Sum256(G.ToAffineCompressed())
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if seen[value] {
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return false
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}
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seen[value] = true
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}
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return true
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}
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func areDisjoint(gs1, gs2 generators) bool {
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for _, g1 := range gs1 {
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for _, g2 := range gs2 {
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if g1.Equal(g2) {
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return false
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}
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}
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}
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return true
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}
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func concatIPPGenerators(ippGens ippGenerators) generators {
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var out generators
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out = append(out, ippGens.G...)
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out = append(out, ippGens.H...)
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return out
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}
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