1// Copyright (c) 2012 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 "crypto/ec_signature_creator.h"
6
7#include "base/logging.h"
8#include "crypto/ec_signature_creator_impl.h"
9
10namespace crypto {
11
12namespace {
13
14ECSignatureCreatorFactory* g_factory_ = NULL;
15
16}  // namespace
17
18// static
19ECSignatureCreator* ECSignatureCreator::Create(ECPrivateKey* key) {
20  if (g_factory_)
21    return g_factory_->Create(key);
22  return new ECSignatureCreatorImpl(key);
23}
24
25// static
26void ECSignatureCreator::SetFactoryForTesting(
27    ECSignatureCreatorFactory* factory) {
28  // We should always clear the factory after each test to avoid
29  // use-after-free problems.
30  DCHECK(!g_factory_ || !factory);
31  g_factory_ = factory;
32}
33
34}  // namespace crypto
35