crypto/ec_signature_creator.cc

   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
  10 namespace crypto {
  11
  12 namespace {
  13
  14 ECSignatureCreatorFactory* g_factory_ = NULL;
  15
  16 }  // namespace
  17
  18 // static
  19 ECSignatureCreator* ECSignatureCreator::Create(ECPrivateKey* key) {
  20   if (g_factory_)
  21     return g_factory_->Create(key);
  22   return new ECSignatureCreatorImpl(key);
  23 }
  24
  25 // static
  26 void 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