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#ifndef CHROME_BROWSER_EXTENSIONS_API_EASY_UNLOCK_PRIVATE_EASY_UNLOCK_PRIVATE_CRYPTO_DELEGATE_H_
6#define CHROME_BROWSER_EXTENSIONS_API_EASY_UNLOCK_PRIVATE_EASY_UNLOCK_PRIVATE_CRYPTO_DELEGATE_H_
7
8#include <string>
9
10#include "base/callback.h"
11#include "base/memory/scoped_ptr.h"
12#include "chrome/common/extensions/api/easy_unlock_private.h"
13
14namespace extensions {
15namespace api {
16
17// Wrapper around EasyUnlock dbus client on Chrome OS. The methods read
18// extension function pearameters and invoke the associated EasyUnlock dbus
19// client methods. On non-Chrome OS platforms, the methods are stubbed out.
20class EasyUnlockPrivateCryptoDelegate {
21 public:
22  typedef base::Callback<void(const std::string& data)> DataCallback;
23
24  typedef base::Callback<void(const std::string& public_key,
25                              const std::string& private_key)>
26      KeyPairCallback;
27
28  virtual ~EasyUnlockPrivateCryptoDelegate() {}
29
30  // Creates platform specific delegate instance. Non Chrome OS implementations
31  // currently do nothing but invoke callbacks with empty data.
32  static scoped_ptr<EasyUnlockPrivateCryptoDelegate> Create();
33
34  // See chromeos/dbus/easy_unlock_client.h for info on these methods.
35  virtual void GenerateEcP256KeyPair(const KeyPairCallback& callback) = 0;
36  virtual void PerformECDHKeyAgreement(
37      const easy_unlock_private::PerformECDHKeyAgreement::Params& params,
38      const DataCallback& callback) = 0;
39  virtual void CreateSecureMessage(
40      const easy_unlock_private::CreateSecureMessage::Params& params,
41      const DataCallback& callback) = 0;
42  virtual void UnwrapSecureMessage(
43      const easy_unlock_private::UnwrapSecureMessage::Params& params,
44      const DataCallback& callback) = 0;
45};
46
47}  // namespace api
48}  // namespace extensions
49
50#endif  // CHROME_BROWSER_EXTENSIONS_API_EASY_UNLOCK_PRIVATE_EASY_UNLOCK_PRIVATE_CRYPTO_DELEGATE_H_
51