pomerium/pkg/cryptutil/stream_test.go
2023-10-26 08:58:59 -04:00

39 lines
851 B
Go

package cryptutil_test
import (
"bytes"
"crypto/rand"
"io"
"testing"
"github.com/stretchr/testify/require"
"github.com/pomerium/pomerium/pkg/cryptutil"
)
func TestEncryptStream(t *testing.T) {
t.Parallel()
plaintext := make([]byte, 4048*2.5)
_, err := rand.Read(plaintext)
require.NoError(t, err)
// cipher
c, err := cryptutil.NewAEADCipher(cryptutil.NewKey())
require.NoError(t, err)
// encrypt
encrypted := &bytes.Buffer{}
encrypter, err := cryptutil.EncryptStream(bytes.NewBuffer(plaintext), c)
require.NoError(t, err)
_, err = io.Copy(encrypted, encrypter)
require.NoError(t, err)
// decrypt
decrypted := &bytes.Buffer{}
decrypter, err := cryptutil.DecryptStream(encrypted, c)
require.NoError(t, err)
_, err = decrypted.ReadFrom(decrypter)
require.NoError(t, err)
require.Equal(t, plaintext, decrypted.Bytes())
}