From: "Jason A. Donenfeld" <Jason@zx2c4.com>
To: david@gwynne.id.au
Cc: WireGuard mailing list <wireguard@lists.zx2c4.com>
Subject: Re: OpenBSD kernel implementation
Date: Wed, 12 Dec 2018 23:36:11 +0100 [thread overview]
Message-ID: <CAHmME9ph=-bGc=Ag6Cb34D-1=ir_2znwXHHDCBHkoHkF=teVSA@mail.gmail.com> (raw)
In-Reply-To: <F48C44BC-EB3C-4399-A1A4-A7FF6B2691DF@gwynne.id.au>
Hi David,
On Wed, Dec 12, 2018 at 11:35 PM David Gwynne <david@gwynne.id.au> wrote:
> Did you tie the handshake and data state machines together so you would only have to handle packet crypto operations with a single set of keys? If so, what happens to data packets that are in flight while the handshake is happening? Do you keep the old keys around for a bit to allow operation on them?
Yes. There's a rotation on a fixed amount of state.
Jason
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prev parent reply other threads:[~2018-12-12 22:36 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-11 13:24 OpenBSD kernel implementation Matt
2018-12-11 15:29 ` Jason A. Donenfeld
2018-12-11 21:22 ` Matt
2018-12-12 22:34 ` David Gwynne
2018-12-12 22:36 ` Jason A. Donenfeld [this message]
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