1// Copyright 2014 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "net/spdy/hpack_string_util.h"
6
7#include "base/basictypes.h"
8
9namespace net {
10
11bool StringPiecesEqualConstantTime(base::StringPiece str1,
12                                   base::StringPiece str2) {
13  size_t size = str1.size();
14  if (str2.size() != size)
15    return false;
16
17  uint8 x = 0;
18  for (size_t i = 0; i < size; ++i) {
19    x |= str1[i] ^ str2[i];
20  }
21  return x == 0;
22}
23
24}  // namespace net
25