| // 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_COMMON_TRANSPORT_ENCRYPTION_HANDLER_H_ |
| #define MEDIA_CAST_COMMON_TRANSPORT_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 { |
| |
| 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 cast |
| } // namespace media |
| |
| #endif // MEDIA_CAST_COMMON_TRANSPORT_ENCRYPTION_HANDLER_H_ |