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Prad Nukala
2025-10-09 15:10:39 -04:00
commit a934caa7d3
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bulletproof/ipp_verifier_test.go
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package bulletproof
import (
crand "crypto/rand"
"testing"
"github.com/gtank/merlin"
"github.com/stretchr/testify/require"
"github.com/sonr-io/sonr/crypto/core/curves"
)
func TestIPPVerifyHappyPath(t *testing.T) {
curve := curves.ED25519()
vecLength := 256
prover, err := NewInnerProductProver(vecLength, []byte("test"), *curve)
require.NoError(t, err)
a := randScalarVec(vecLength, *curve)
b := randScalarVec(vecLength, *curve)
u := curve.Point.Random(crand.Reader)
transcriptProver := merlin.NewTranscript("test")
proof, err := prover.Prove(a, b, u, transcriptProver)
require.NoError(t, err)
verifier, err := NewInnerProductVerifier(vecLength, []byte("test"), *curve)
require.NoError(t, err)
capP, err := prover.getP(a, b, u)
require.NoError(t, err)
transcriptVerifier := merlin.NewTranscript("test")
verified, err := verifier.Verify(capP, u, proof, transcriptVerifier)
require.NoError(t, err)
require.True(t, verified)
}
func BenchmarkIPPVerification(bench *testing.B) {
curve := curves.ED25519()
vecLength := 1024
prover, _ := NewInnerProductProver(vecLength, []byte("test"), *curve)
a := randScalarVec(vecLength, *curve)
b := randScalarVec(vecLength, *curve)
u := curve.Point.Random(crand.Reader)
transcriptProver := merlin.NewTranscript("test")
proof, _ := prover.Prove(a, b, u, transcriptProver)
verifier, _ := NewInnerProductVerifier(vecLength, []byte("test"), *curve)
capP, _ := prover.getP(a, b, u)
transcriptVerifier := merlin.NewTranscript("test")
verified, _ := verifier.Verify(capP, u, proof, transcriptVerifier)
require.True(bench, verified)
}
func TestIPPVerifyInvalidProof(t *testing.T) {
curve := curves.ED25519()
vecLength := 64
prover, err := NewInnerProductProver(vecLength, []byte("test"), *curve)
require.NoError(t, err)
a := randScalarVec(vecLength, *curve)
b := randScalarVec(vecLength, *curve)
u := curve.Point.Random(crand.Reader)
aPrime := randScalarVec(64, *curve)
bPrime := randScalarVec(64, *curve)
uPrime := curve.Point.Random(crand.Reader)
transcriptProver := merlin.NewTranscript("test")
proofPrime, err := prover.Prove(aPrime, bPrime, uPrime, transcriptProver)
require.NoError(t, err)
verifier, err := NewInnerProductVerifier(vecLength, []byte("test"), *curve)
require.NoError(t, err)
capP, err := prover.getP(a, b, u)
require.NoError(t, err)
transcriptVerifier := merlin.NewTranscript("test")
// Check for different capP, u from proof
verified, err := verifier.Verify(capP, u, proofPrime, transcriptVerifier)
require.NoError(t, err)
require.False(t, verified)
}