If Apple is serious, the next step will be to open up the source for the encryption parts of iMessage, FaceTime, etc with the ability to verify the binaries, mu

If Apple is serious, the next step will be to open up the source for the encryption parts of iMessage, FaceTime, etc with the ability to verify the binaries, much like PGP used to do for their software. And also to verify the keys being used in the messaging to make sure additional keys aren't being added by apple.