>And since it's proprietary software, they can trigger a resend of your recent messages to Bob.
Apple control iOS so they could just release an update that disables crypto and leaks all the messages - your point is irrelevant since they can't trigger a resend without an update to iOS.
Apple control iOS so they could just release an update that disables crypto and leaks all the messages - your point is irrelevant since they can't trigger a resend without an update to iOS.