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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_PROXIMITY_AUTH_SECURE_CONTEXT_H
#define COMPONENTS_PROXIMITY_AUTH_SECURE_CONTEXT_H
#include "base/callback_forward.h"
namespace proximity_auth {
// An interface used to decode and encode messages.
class SecureContext {
public:
typedef base::Callback<void(const std::string& message)> MessageCallback;
// The protocol version used during authentication.
enum ProtocolVersion {
PROTOCOL_VERSION_THREE_ZERO, // 3.0
PROTOCOL_VERSION_THREE_ONE, // 3.1
};
virtual ~SecureContext() {}
// Decodes the |encoded_message| and returns the result.
// This function is asynchronous because the ChromeOS implementation requires
// a DBus call.
virtual void Decode(const std::string& encoded_message,
const MessageCallback& callback) = 0;
// Encodes the |message| and returns the result.
// This function is asynchronous because the ChromeOS implementation requires
// a DBus call.
virtual void Encode(const std::string& message,
const MessageCallback& callback) = 0;
// Returns the protocol version that was used during authentication.
virtual ProtocolVersion GetProtocolVersion() const = 0;
};
} // namespace proximity_auth
#endif // COMPONENTS_PROXIMITY_AUTH_SECURE_CONTEXT_H
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