[noise] Stateless Protocols with Replay Attack Prevention

[Jason A. Donenfeld]

On Fri, Feb 13, 2015 at 7:17 PM, Robert Ransom <rransom.8774 at gmail.com> wrote:
> Your problem is that you want a stateless security
> layer in front of a stateful system.

That's a great way to put it.

So.... whatdoido?

What are the most clever methods of avoiding reply attacks? Noise's
solution involves the key changing for each message, no? I wonder how
solutions like this deal with out-of-order packets.