ceremonyclient/nekryptology/pkg/verenc/camshoup/ciphertext_test.go
2023-07-05 00:32:28 -05:00

40 lines
799 B
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 TestCipherTextMarshal(t *testing.T) {
group, err := NewPaillierGroupWithPrimes(testP, testQ)
require.NoError(t, err)
domain := []byte("TestCipherTextMarshal")
ek, _, err := NewKeys(1, group)
require.NoError(t, err)
msg := big.NewInt(1)
cs, err := ek.Encrypt(domain, []*big.Int{msg})
require.NoError(t, err)
bin, err := cs.MarshalBinary()
require.NoError(t, err)
dup := new(CipherText)
err = dup.UnmarshalBinary(bin)
require.NoError(t, err)
require.Equal(t, 0, cs.u.Cmp(dup.u))
require.Equal(t, 0, cs.v.Cmp(dup.v))
for i, e := range cs.e {
require.Equal(t, 0, e.Cmp(dup.e[i]))
}
}