mirror of
https://source.quilibrium.com/quilibrium/ceremonyclient.git
synced 2024-12-25 16:15:17 +00:00
133 lines
3.0 KiB
Go
133 lines
3.0 KiB
Go
//
|
|
// Copyright Coinbase, Inc. All Rights Reserved.
|
|
//
|
|
// SPDX-License-Identifier: Apache-2.0
|
|
//
|
|
|
|
package sharing
|
|
|
|
import (
|
|
crand "crypto/rand"
|
|
"testing"
|
|
|
|
"github.com/stretchr/testify/require"
|
|
|
|
"source.quilibrium.com/quilibrium/monorepo/nekryptology/pkg/core/curves"
|
|
)
|
|
|
|
var testCurve = curves.ED25519()
|
|
|
|
func TestEd25519FeldmanSplitInvalidArgs(t *testing.T) {
|
|
_, err := NewFeldman(0, 0, testCurve)
|
|
require.NotNil(t, err)
|
|
_, err = NewFeldman(3, 2, testCurve)
|
|
require.NotNil(t, err)
|
|
_, err = NewFeldman(1, 10, testCurve)
|
|
require.NotNil(t, err)
|
|
scheme, err := NewFeldman(2, 3, testCurve)
|
|
require.Nil(t, err)
|
|
require.NotNil(t, scheme)
|
|
_, _, err = scheme.Split(testCurve.NewScalar(), crand.Reader)
|
|
require.NotNil(t, err)
|
|
}
|
|
|
|
func TestEd25519FeldmanCombineNoShares(t *testing.T) {
|
|
scheme, err := NewFeldman(2, 3, testCurve)
|
|
require.Nil(t, err)
|
|
require.NotNil(t, scheme)
|
|
_, err = scheme.Combine()
|
|
require.NotNil(t, err)
|
|
}
|
|
|
|
func TestEd25519FeldmanCombineDuplicateShare(t *testing.T) {
|
|
scheme, err := NewFeldman(2, 3, testCurve)
|
|
require.Nil(t, err)
|
|
require.NotNil(t, scheme)
|
|
_, err = scheme.Combine([]*ShamirShare{
|
|
{
|
|
Id: 1,
|
|
Value: testCurve.Scalar.New(3).Bytes(),
|
|
},
|
|
{
|
|
Id: 1,
|
|
Value: testCurve.Scalar.New(3).Bytes(),
|
|
},
|
|
}...)
|
|
require.NotNil(t, err)
|
|
}
|
|
|
|
func TestEd25519FeldmanCombineBadIdentifier(t *testing.T) {
|
|
scheme, err := NewFeldman(2, 3, testCurve)
|
|
require.Nil(t, err)
|
|
require.NotNil(t, scheme)
|
|
shares := []*ShamirShare{
|
|
{
|
|
Id: 0,
|
|
Value: testCurve.Scalar.New(3).Bytes(),
|
|
},
|
|
{
|
|
Id: 2,
|
|
Value: testCurve.Scalar.New(3).Bytes(),
|
|
},
|
|
}
|
|
_, err = scheme.Combine(shares...)
|
|
require.NotNil(t, err)
|
|
shares[0] = &ShamirShare{
|
|
Id: 4,
|
|
Value: testCurve.Scalar.New(3).Bytes(),
|
|
}
|
|
_, err = scheme.Combine(shares...)
|
|
require.NotNil(t, err)
|
|
}
|
|
|
|
func TestEd25519FeldmanCombineSingle(t *testing.T) {
|
|
scheme, err := NewFeldman(2, 3, testCurve)
|
|
require.Nil(t, err)
|
|
require.NotNil(t, scheme)
|
|
|
|
secret := testCurve.Scalar.Hash([]byte("test"))
|
|
verifiers, shares, err := scheme.Split(secret, crand.Reader)
|
|
require.Nil(t, err)
|
|
require.NotNil(t, shares)
|
|
for _, s := range shares {
|
|
err = verifiers.Verify(s)
|
|
require.Nil(t, err)
|
|
}
|
|
secret2, err := scheme.Combine(shares...)
|
|
require.Nil(t, err)
|
|
require.Equal(t, secret2, secret)
|
|
}
|
|
|
|
func TestEd25519FeldmanAllCombinations(t *testing.T) {
|
|
scheme, err := NewFeldman(3, 5, testCurve)
|
|
require.Nil(t, err)
|
|
require.NotNil(t, scheme)
|
|
|
|
secret := testCurve.Scalar.Hash([]byte("test"))
|
|
verifiers, shares, err := scheme.Split(secret, crand.Reader)
|
|
for _, s := range shares {
|
|
err = verifiers.Verify(s)
|
|
require.Nil(t, err)
|
|
}
|
|
require.Nil(t, err)
|
|
require.NotNil(t, shares)
|
|
// There are 5*4*3 possible combinations
|
|
for i := 0; i < 5; i++ {
|
|
for j := 0; j < 5; j++ {
|
|
if i == j {
|
|
continue
|
|
}
|
|
for k := 0; k < 5; k++ {
|
|
if i == k || j == k {
|
|
continue
|
|
}
|
|
|
|
rSecret, err := scheme.Combine(shares[i], shares[j], shares[k])
|
|
require.Nil(t, err)
|
|
require.NotNil(t, rSecret)
|
|
require.Equal(t, rSecret, secret)
|
|
}
|
|
}
|
|
}
|
|
}
|