| // 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_CRYPTAUTH_SESSION_KEYS_H_ |
| #define COMPONENTS_CRYPTAUTH_SESSION_KEYS_H_ |
| |
| #include <string> |
| |
| #include "base/macros.h" |
| |
| namespace cryptauth { |
| |
| // This class contains the secure channel (secure context) session keys. This |
| // class derives (from the master symmetric key) different keys for encryption |
| // and decryption. The protocol initiator (i.e. the Chromebook) should use |
| // |initiator_encode_key()| to encrypt the messages, and the responder should |
| // use |responder_encode_key()|. This is reversed for decryption. |
| class SessionKeys { |
| public: |
| // Create session keys derived from the |master_symmetric_key|. |
| explicit SessionKeys(const std::string& master_symmetric_key); |
| |
| SessionKeys(); |
| |
| virtual ~SessionKeys(); |
| |
| virtual std::string initiator_encode_key() const; |
| virtual std::string responder_encode_key() const; |
| |
| private: |
| // The initiator encoding key. |
| std::string initiator_encode_key_; |
| |
| // The responder encoding key. |
| std::string responder_encode_key_; |
| }; |
| |
| } // namespace cryptauth |
| |
| #endif // COMPONENTS_CRYPTAUTH_SESSION_KEYS_H_ |