Cast: Reshuffle files under media/cast

media/cast/transport/utility/transport_encryption_handler.h

-// 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 MEDIA_CAST_TRANSPORT_TRANSPORT_UTILITY_ENCRYPTION_HANDLER_H_
-#define MEDIA_CAST_TRANSPORT_TRANSPORT_UTILITY_ENCRYPTION_HANDLER_H_
-
-// Helper class to handle encryption for the Cast Transport library.
-#include <string>
-
-#include "base/basictypes.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/strings/string_piece.h"
-#include "base/threading/non_thread_safe.h"
-
-namespace crypto {
-class Encryptor;
-class SymmetricKey;
-}
-
-namespace media {
-namespace cast {
-namespace transport {
-
-class TransportEncryptionHandler : public base::NonThreadSafe {
- public:
-  TransportEncryptionHandler();
-  ~TransportEncryptionHandler();
-
-  bool Initialize(std::string aes_key, std::string aes_iv_mask);
-
-  bool Encrypt(uint32 frame_id,
-               const base::StringPiece& data,
-               std::string* encrypted_data);
-
-  bool Decrypt(uint32 frame_id,
-               const base::StringPiece& ciphertext,
-               std::string* plaintext);
-
-  bool is_activated() const { return is_activated_; }
-
- private:
-  scoped_ptr<crypto::SymmetricKey> key_;
-  scoped_ptr<crypto::Encryptor> encryptor_;
-  std::string iv_mask_;
-  bool is_activated_;
-
-  DISALLOW_COPY_AND_ASSIGN(TransportEncryptionHandler);
-};
-
-}  // namespace transport
-}  // namespace cast
-}  // namespace media
-
-#endif  // MEDIA_CAST_TRANSPORT_TRANSPORT_UTILITY_ENCRYPTION_HANDLER_H_