mirror of
https://source.quilibrium.com/quilibrium/ceremonyclient.git
synced 2024-11-14 12:15:18 +00:00
70 lines
1.7 KiB
Go
70 lines
1.7 KiB
Go
//
|
|
// Copyright Coinbase, Inc. All Rights Reserved.
|
|
//
|
|
// SPDX-License-Identifier: Apache-2.0
|
|
//
|
|
|
|
package camshoup
|
|
|
|
import (
|
|
"math/big"
|
|
"testing"
|
|
|
|
"github.com/stretchr/testify/require"
|
|
)
|
|
|
|
func TestDecryptionKeyMarshal(t *testing.T) {
|
|
group, err := NewPaillierGroupWithPrimes(testP, testQ)
|
|
require.NoError(t, err)
|
|
_, dk, err := NewKeys(3, group)
|
|
require.NoError(t, err)
|
|
bin, err := dk.MarshalBinary()
|
|
require.NoError(t, err)
|
|
dup := new(DecryptionKey)
|
|
err = dup.UnmarshalBinary(bin)
|
|
require.NoError(t, err)
|
|
require.Equal(t, 0, dk.x3.Cmp(dup.x3))
|
|
require.Equal(t, 0, dk.x2.Cmp(dup.x2))
|
|
for i, x := range dk.x1 {
|
|
require.Equal(t, 0, x.Cmp(dup.x1[i]))
|
|
}
|
|
}
|
|
|
|
func TestDecryptionKeyDecryptBadCiphertext(t *testing.T) {
|
|
group, err := NewPaillierGroupWithPrimes(testP, testQ)
|
|
require.NoError(t, err)
|
|
_, dk, err := NewKeys(3, group)
|
|
require.NoError(t, err)
|
|
|
|
_, err = dk.Decrypt([]byte{}, nil)
|
|
require.Error(t, err)
|
|
|
|
_, err = dk.Decrypt([]byte{}, new(CipherText))
|
|
require.Error(t, err)
|
|
|
|
cs := new(CipherText)
|
|
cs.v = big.NewInt(1)
|
|
cs.u = big.NewInt(1)
|
|
cs.e = []*big.Int{big.NewInt(1), big.NewInt(1), big.NewInt(1), big.NewInt(1)}
|
|
|
|
_, err = dk.Decrypt([]byte{}, cs)
|
|
require.Error(t, err)
|
|
// all 1s are valid ciphertexts, so we pick other random values
|
|
cs.e = []*big.Int{big.NewInt(2), big.NewInt(2), big.NewInt(2)}
|
|
|
|
_, err = dk.Decrypt([]byte{}, cs)
|
|
require.Error(t, err)
|
|
|
|
cs.v = big.NewInt(0)
|
|
cs.u = big.NewInt(0)
|
|
cs.e = []*big.Int{big.NewInt(0), big.NewInt(0), big.NewInt(0)}
|
|
_, err = dk.Decrypt([]byte{}, cs)
|
|
require.Error(t, err)
|
|
|
|
cs.u = big.NewInt(1)
|
|
cs.e = []*big.Int{big.NewInt(1), big.NewInt(1), big.NewInt(1)}
|
|
cs.v = new(big.Int).Add(group.n2, big.NewInt(1))
|
|
_, err = dk.Decrypt([]byte{}, cs)
|
|
require.Error(t, err)
|
|
}
|