[noise] Revision 31 draft

[Trevor Perrin]

On Fri, Oct 7, 2016 at 12:46 AM, Jason A. Donenfeld <Jason at zx2c4.com> wrote:
> On Oct 7, 2016 4:48 AM, "Trevor Perrin" <trevp at trevp.net> wrote:
>>
>>  - Remove "secondary symmetric key" feature
>
> This is PSK mode, right?

No, it's the thing where the application passes in an extra key to the
"Split" HKDF.

That was added hastily on the theory it could be used for post-quantum
or something, but now we're finding better ways to handle that.

Trevor