mirror of
https://github.com/sonr-io/crypto.git
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53 lines
1.3 KiB
Go
53 lines
1.3 KiB
Go
//
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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 sign
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import (
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"crypto/rand"
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"testing"
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"github.com/stretchr/testify/require"
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"github.com/sonr-io/crypto/core/curves"
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"github.com/sonr-io/crypto/ot/base/simplest"
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"github.com/sonr-io/crypto/ot/extension/kos"
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"github.com/sonr-io/crypto/ot/ottest"
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)
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func TestMultiply(t *testing.T) {
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curve := curves.K256()
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hashKeySeed := [simplest.DigestSize]byte{}
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_, err := rand.Read(hashKeySeed[:])
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require.NoError(t, err)
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baseOtSenderOutput, baseOtReceiverOutput, err := ottest.RunSimplestOT(
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curve,
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kos.Kappa,
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hashKeySeed,
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)
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require.NoError(t, err)
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sender, err := NewMultiplySender(baseOtReceiverOutput, curve, hashKeySeed)
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require.NoError(t, err)
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receiver, err := NewMultiplyReceiver(baseOtSenderOutput, curve, hashKeySeed)
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require.NoError(t, err)
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alpha := curve.Scalar.Random(rand.Reader)
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beta := curve.Scalar.Random(rand.Reader)
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round1Output, err := receiver.Round1Initialize(beta)
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require.Nil(t, err)
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round2Output, err := sender.Round2Multiply(alpha, round1Output)
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require.Nil(t, err)
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err = receiver.Round3Multiply(round2Output)
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require.Nil(t, err)
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product := alpha.Mul(beta)
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sum := sender.outputAdditiveShare.Add(receiver.outputAdditiveShare)
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require.Equal(t, product, sum)
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}
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