Updating D2D protocol to v1 to support separate sequence numbers.

components/cryptauth/session_keys.h

Index: components/cryptauth/session_keys.h
diff --git a/components/cryptauth/session_keys.h b/components/cryptauth/session_keys.h
new file mode 100644
index 0000000000000000000000000000000000000000..a15a82e3bda52973f881f507fbaa1c9e5a4ff2e2
--- /dev/null
+++ b/components/cryptauth/session_keys.h
@@ -0,0 +1,36 @@
+// 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 {
+
+class SessionKeys {

[Tim Song, 2017/05/22 23:18:24]

Add a brief class comment here.

[sacomoto, 2017/05/23 09:50:14]

Done.

+ public:
+  // Creates a WireMessage containing |payload| for feature |feature|.

[Tim Song, 2017/05/22 23:18:24]

Remove comment.

[sacomoto, 2017/05/23 09:50:14]

Done.

+  explicit SessionKeys(const std::string& master_symmetric_key);
+
+  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_;
+
+  DISALLOW_COPY_AND_ASSIGN(SessionKeys);
+};
+
+}  // namespace cryptauth
+
+#endif  // COMPONENTS_CRYPTAUTH_SESSION_KEYS_H_