ceremonyclient/node/crypto/x3dh_test.go

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2023-08-21 03:50:38 +00:00
package crypto_test
import (
"crypto/rand"
"testing"
"github.com/stretchr/testify/require"
"source.quilibrium.com/quilibrium/monorepo/nekryptology/pkg/core/curves"
"source.quilibrium.com/quilibrium/monorepo/node/crypto"
)
func TestX3DHMatches(t *testing.T) {
x448SendingIdentityPrivateKey := curves.ED448().Scalar.Random(rand.Reader)
x448SendingEphemeralPrivateKey := curves.ED448().Scalar.Random(rand.Reader)
x448ReceivingIdentityPrivateKey := curves.ED448().Scalar.Random(rand.Reader)
x448ReceivingSignedPrePrivateKey := curves.ED448().Scalar.Random(rand.Reader)
x448SendingIdentityKey := curves.ED448().NewGeneratorPoint().Mul(x448SendingIdentityPrivateKey)
x448SendingEphemeralKey := curves.ED448().NewGeneratorPoint().Mul(x448SendingEphemeralPrivateKey)
x448ReceivingIdentityKey := curves.ED448().NewGeneratorPoint().Mul(x448ReceivingIdentityPrivateKey)
x448ReceivingSignedPreKey := curves.ED448().NewGeneratorPoint().Mul(x448ReceivingSignedPrePrivateKey)
result := crypto.SenderX3DH(
x448SendingIdentityPrivateKey,
x448SendingEphemeralPrivateKey,
x448ReceivingIdentityKey,
x448ReceivingSignedPreKey,
32,
)
compare := crypto.ReceiverX3DH(
x448ReceivingIdentityPrivateKey,
x448ReceivingSignedPrePrivateKey,
x448SendingIdentityKey,
x448SendingEphemeralKey,
32,
)
require.Equal(t, result, compare)
}