cryptocat/cryptocat — pull request #628 by arlolra (2014-04-23 18:26:47+00:00)
Title: Re-enable file transfers

With the suggested changes from the Least Authority audit to avoid key/iv re-use.

This addresses #575 and #576.
#577 should be fixed before merging.

/cc @daira @zookoatleastauthoritycom @nathan-at-least