From 554fd8c5195424bdbcabf5de30fdc183aba391bd Mon Sep 17 00:00:00 2001
From: upstream source tree <ports@midipix.org>
Date: Sun, 15 Mar 2015 20:14:05 -0400
Subject: obtained gcc-4.6.4.tar.bz2 from upstream website; verified
 gcc-4.6.4.tar.bz2.sig; imported gcc-4.6.4 source tree from verified upstream
 tarball.

downloading a git-generated archive based on the 'upstream' tag
should provide you with a source tree that is binary identical
to the one extracted from the above tarball.

if you have obtained the source via the command 'git clone',
however, do note that line-endings of files in your working
directory might differ from line-endings of the respective
files in the upstream repository.
---
 libgo/go/crypto/cipher/ocfb_test.go | 39 +++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)
 create mode 100644 libgo/go/crypto/cipher/ocfb_test.go

(limited to 'libgo/go/crypto/cipher/ocfb_test.go')

diff --git a/libgo/go/crypto/cipher/ocfb_test.go b/libgo/go/crypto/cipher/ocfb_test.go
new file mode 100644
index 000000000..289bb7c91
--- /dev/null
+++ b/libgo/go/crypto/cipher/ocfb_test.go
@@ -0,0 +1,39 @@
+// 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 (
+	"bytes"
+	"crypto/aes"
+	"crypto/rand"
+	"testing"
+)
+
+func TestOCFB(t *testing.T) {
+	block, err := aes.NewCipher(commonKey128)
+	if err != nil {
+		t.Error(err)
+		return
+	}
+
+	plaintext := []byte("this is the plaintext")
+	randData := make([]byte, block.BlockSize())
+	rand.Reader.Read(randData)
+	ocfb, prefix := NewOCFBEncrypter(block, randData)
+	ciphertext := make([]byte, len(plaintext))
+	ocfb.XORKeyStream(ciphertext, plaintext)
+
+	ocfbdec := NewOCFBDecrypter(block, prefix)
+	if ocfbdec == nil {
+		t.Error("NewOCFBDecrypter failed")
+		return
+	}
+	plaintextCopy := make([]byte, len(plaintext))
+	ocfbdec.XORKeyStream(plaintextCopy, ciphertext)
+
+	if !bytes.Equal(plaintextCopy, plaintext) {
+		t.Errorf("got: %x, want: %x", plaintextCopy, plaintext)
+	}
+}
-- 
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