tree 6d9d949b1aa26cefb1ef4751dd9affb4887b82a8
parent e9ae3b5e947b06dde52870685b626827601cc8c1
author Alexandre Zani <azani@google.com> 1550174485 -0800
committer CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org> 1550617443 +0000

Refactor EncryptedMessageMaker.

The EncryptedMessageMaker is now an abstract base class with 2
implementations:
  1. UnencryptedMessageMaker
  2. HybridEcdhMessageMaker

The goal is to add a third implementation: HybridTinkMessageMaker which will
perform encryption using the Tink library.

Change-Id: Ia43db03e5aef4d4def77128bb4711173383284d7