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Prad Nukala
2024-07-06 00:34:41 -04:00
committed by Prad Nukala (aider)
parent 5fd43dfd6b
commit 2f976209db
345 changed files with 409 additions and 72177 deletions
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crypto/signatures/bbs/signature_test.go
-81
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@@ -1,81 +0,0 @@
//
// Copyright Coinbase, Inc. All Rights Reserved.
//
// SPDX-License-Identifier: Apache-2.0
//
package bbs
import (
"testing"
"github.com/stretchr/testify/require"
"github.com/onsonr/hway/crypto/core/curves"
)
func TestSignatureWorks(t *testing.T) {
curve := curves.BLS12381(&curves.PointBls12381G2{})
msgs := []curves.Scalar{
curve.Scalar.New(3),
curve.Scalar.New(4),
curve.Scalar.New(5),
curve.Scalar.New(6),
}
pk, sk, err := NewKeys(curve)
require.NoError(t, err)
generators, err := new(MessageGenerators).Init(pk, 4)
require.NoError(t, err)
sig, err := sk.Sign(generators, msgs)
require.NoError(t, err)
err = pk.Verify(sig, generators, msgs)
require.NoError(t, err)
}
func TestSignatureIncorrectMessages(t *testing.T) {
curve := curves.BLS12381(&curves.PointBls12381G2{})
msgs := []curves.Scalar{
curve.Scalar.New(3),
curve.Scalar.New(4),
curve.Scalar.New(5),
curve.Scalar.New(6),
}
pk, sk, err := NewKeys(curve)
require.NoError(t, err)
generators, err := new(MessageGenerators).Init(pk, 4)
require.NoError(t, err)
sig, err := sk.Sign(generators, msgs)
require.NoError(t, err)
msgs[0] = curve.Scalar.New(7)
err = pk.Verify(sig, generators, msgs)
require.Error(t, err)
}
func TestSignatureMarshalBinary(t *testing.T) {
curve := curves.BLS12381(&curves.PointBls12381G2{})
msgs := []curves.Scalar{
curve.Scalar.New(3),
curve.Scalar.New(4),
curve.Scalar.New(5),
curve.Scalar.New(6),
}
pk, sk, err := NewKeys(curve)
require.NoError(t, err)
generators, err := new(MessageGenerators).Init(pk, 4)
require.NoError(t, err)
sig, err := sk.Sign(generators, msgs)
require.NoError(t, err)
data, err := sig.MarshalBinary()
require.NoError(t, err)
require.Equal(t, 112, len(data))
sig2 := new(Signature).Init(curve)
err = sig2.UnmarshalBinary(data)
require.NoError(t, err)
require.True(t, sig.a.Equal(sig2.a))
require.Equal(t, sig.e.Cmp(sig2.e), 0)
require.Equal(t, sig.s.Cmp(sig2.s), 0)
}