sonr/crypto/sharing/ed25519_feldman_test.go
Prad Nukala 807b2e86ec
feature/1220 origin handle exists method (#1241)
* feat: add docs and CI workflow for publishing to onsonr.dev

* (refactor): Move hway,motr executables to their own repos

* feat: simplify devnet and testnet configurations

* refactor: update import path for didcrypto package

* docs(networks): Add README with project overview, architecture, and community links

* refactor: Move network configurations to deploy directory

* build: update golang version to 1.23

* refactor: move logger interface to appropriate package

* refactor: Move devnet configuration to networks/devnet

* chore: improve release process with date variable

* (chore): Move Crypto Library

* refactor: improve code structure and readability in DID module

* feat: integrate Trunk CI checks

* ci: optimize CI workflow by removing redundant build jobs

---------

Co-authored-by: Darp Alakun <i@prad.nu>
2025-01-06 17:06:10 +00:00

133 lines
3.0 KiB
Go
Executable File

//
// Copyright Coinbase, Inc. All Rights Reserved.
//
// SPDX-License-Identifier: Apache-2.0
//
package sharing
import (
crand "crypto/rand"
"testing"
"github.com/stretchr/testify/require"
"github.com/onsonr/sonr/crypto/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)
}
}
}
}