Re: [TLS] Fwd: New Version Notification for draft-thomson-http-replay-00.txt

2017-06-26 Thread Kazuho Oku
Hi, Thank you for working on the I-D. This is a must-have and I am looking forward to seeing it standardized. H2O will implement this specification. One question: is the name `early-data` a good choice? The reason I raise the concern is because what the header suggest is if the endpoint has not

Re: [TLS] Fwd: New Version Notification for draft-thomson-http-replay-00.txt

2017-06-26 Thread Willy Tarreau
Hi Kazuho, On Mon, Jun 26, 2017 at 04:03:24PM +0900, Kazuho Oku wrote: > One question: is the name `early-data` a good choice? > > The reason I raise the concern is because what the header suggest is > if the endpoint has not yet seen a proof (i.e. ClientFinished). The > name "early-data" might b

Re: [TLS] Closing on 0-RTT

2017-06-26 Thread Colm MacCárthaigh
On Sun, Jun 25, 2017 at 11:43 PM, Ilari Liusvaara wrote: > I understood that the cache probing attack requires much less replays > than the other side-channel ones. And furthermore, distributing the > replays among zones makes the attack easier (because replay with the > cached data hot doesn't t

Re: [TLS] Closing on 0-RTT

2017-06-26 Thread Eric Rescorla
OK, I'll move this out of the "if you can do a lot of replays" section On Mon, Jun 26, 2017 at 10:25 AM, Colm MacCárthaigh wrote: > > > On Sun, Jun 25, 2017 at 11:43 PM, Ilari Liusvaara < > ilariliusva...@welho.com> wrote: > >> I understood that the cache probing attack requires much less replay

Re: [TLS] Closing on 0-RTT

2017-06-26 Thread Mark Nottingham
> On 27 Jun 2017, at 3:25 am, Colm MacCárthaigh wrote: > > > > On Sun, Jun 25, 2017 at 11:43 PM, Ilari Liusvaara > wrote: > I understood that the cache probing attack requires much less replays > than the other side-channel ones. And furthermore, distributing the > replays among zones makes

Re: [TLS] Fwd: New Version Notification for draft-thomson-http-replay-00.txt

2017-06-26 Thread Kazuho Oku
Hi Willy, 2017-06-26 17:01 GMT+09:00 Willy Tarreau : > Hi Kazuho, > > On Mon, Jun 26, 2017 at 04:03:24PM +0900, Kazuho Oku wrote: >> One question: is the name `early-data` a good choice? >> >> The reason I raise the concern is because what the header suggest is >> if the endpoint has not yet seen