chromium/components/os_crypt/sync/os_crypt.h

// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef COMPONENTS_OS_CRYPT_SYNC_OS_CRYPT_H_
#define COMPONENTS_OS_CRYPT_SYNC_OS_CRYPT_H_

#include <memory>
#include <string>

#include "base/component_export.h"
#include "base/functional/callback.h"
#include "base/task/single_thread_task_runner.h"
#include "build/build_config.h"
#include "build/chromecast_buildflags.h"

#if BUILDFLAG(IS_LINUX)
class KeyStorageLinux;
#endif  // BUILDFLAG(IS_LINUX)

#if BUILDFLAG(IS_WIN)
class PrefRegistrySimple;
class PrefService;
#endif  // BUILDFLAG(IS_WIN)

#if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_APPLE)
namespace crypto {
class SymmetricKey;
}
#endif  // BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_APPLE)

namespace os_crypt {
struct Config;
}

// Temporary interface due to OSCrypt refactor. See OSCryptImpl for descriptions
// of what each function does.
OSCrypt  // namespace OSCrypt

// The OSCryptImpl class gives access to simple encryption and decryption of
// strings. Note that on Mac, access to the system Keychain is required and
// these calls can block the current thread to collect user input. The same is
// true for Linux, if a password management tool is available.
class COMPONENT_EXPORT(OS_CRYPT) OSCryptImpl { … };

#endif  // COMPONENTS_OS_CRYPT_SYNC_OS_CRYPT_H_