chromium/components/gcm_driver/crypto/gcm_key_store.h

// Copyright 2015 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_GCM_DRIVER_CRYPTO_GCM_KEY_STORE_H_
#define COMPONENTS_GCM_DRIVER_CRYPTO_GCM_KEY_STORE_H_

#include <memory>
#include <string>
#include <unordered_map>
#include <utility>
#include <vector>

#include "base/files/file_path.h"
#include "base/functional/callback_forward.h"
#include "base/memory/ref_counted.h"
#include "base/memory/weak_ptr.h"
#include "components/gcm_driver/crypto/proto/gcm_encryption_data.pb.h"
#include "components/gcm_driver/gcm_delayed_task_controller.h"
#include "components/leveldb_proto/public/proto_database.h"
#include "crypto/ec_private_key.h"

namespace base {
class SequencedTaskRunner;
}

namespace gcm {

// Key storage for use with encrypted messages received from Google Cloud
// Messaging. It provides the ability to create and store a key-pair for a given
// app id + authorized entity pair, and to retrieve and delete key-pairs.
//
// This class is backed by a proto database and might end up doing file I/O on
// a background task runner. For this reason, all public APIs take a callback
// rather than returning the result. Do not rely on the timing of the callbacks.
class GCMKeyStore { … };

}  // namespace gcm

#endif  // COMPONENTS_GCM_DRIVER_CRYPTO_GCM_KEY_STORE_H_