blob: 40938b589233819bdbadbee3c6f51faebcda1293 [file] [log] [blame]
// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package cipher
import (
func testOCFB(t *testing.T, resync OCFBResyncOption) {
block, err := aes.NewCipher(commonKey128)
if err != nil {
plaintext := []byte("this is the plaintext, which is long enough to span several blocks.")
randData := make([]byte, block.BlockSize())
ocfb, prefix := NewOCFBEncrypter(block, randData, resync)
ciphertext := make([]byte, len(plaintext))
ocfb.XORKeyStream(ciphertext, plaintext)
ocfbdec := NewOCFBDecrypter(block, prefix, resync)
if ocfbdec == nil {
t.Errorf("NewOCFBDecrypter failed (resync: %t)", resync)
plaintextCopy := make([]byte, len(plaintext))
ocfbdec.XORKeyStream(plaintextCopy, ciphertext)
if !bytes.Equal(plaintextCopy, plaintext) {
t.Errorf("got: %x, want: %x (resync: %t)", plaintextCopy, plaintext, resync)
func TestOCFB(t *testing.T) {
testOCFB(t, OCFBNoResync)
testOCFB(t, OCFBResync)