Re: [TLS] WGLC for draft-ietf-tls-md5-sha1-deprecate

2020-05-04 Thread Christopher Wood
Thanks, Alessandro! We'll aim to merge this PR on Friday. We ask that folks review it before then. https://github.com/tlswg/draft-ietf-tls-md5-sha1-deprecate/pull/5 Thanks, Chris, on behalf of the chairs On Thu, Apr 23, 2020, at 10:45 AM, Alessandro Ghedini wrote: > On Sun, Nov 24, 2019 at

Re: [TLS] TLS Export Channel Binding

2020-05-04 Thread Jonathan Hoyland
Hi Alexey On Mon, 4 May 2020 at 16:23, Alexey Melnikov wrote: > Hi Jonathan, > > On 04/05/2020 14:14, Jonathan Hoyland wrote: > > Hi Sam, > > > > If you wanted to use a SCRAM based SASL auth then you could pick > > `p=SCRAM-SHA256-PLUS`, or any other very specific IANA-registered > > string, and

Re: [TLS] TLS Export Channel Binding

2020-05-04 Thread Sam Whited
On Mon, May 4, 2020, at 11:44, Alexey Melnikov wrote: > In the Introduction of your draft you are referencing RFC 5705, which > can't be used with TLS 1.3. Instead you should reference Section 7.5 > of RFC 8446. Fixed on my local copy [1]. Thanks for your feedback! —Sam [1]: https://rfcs.samwhi

Re: [TLS] TLS Export Channel Binding

2020-05-04 Thread Alexey Melnikov
Hi Sam, On 04/05/2020 15:39, Sam Whited wrote: I have updated the draft with these changes: https://datatracker.ietf.org/doc/draft-whited-tls-channel-bindings-for-tls13/ In the Introduction of your draft you are referencing RFC 5705, which can't be used with TLS 1.3. Instead you should refe

Re: [TLS] TLS Export Channel Binding

2020-05-04 Thread Alexey Melnikov
Hi Sam, On 04/05/2020 15:39, Sam Whited wrote: I'm still not entirely clear if this would be a better draft for the KITTEN WG or this one. If we update the SCRAM RFCs I think it may be better to go through KITTEN, but I'm not sure that they'll want to take that work on. I'll ask. Any advice here

Re: [TLS] TLS Export Channel Binding

2020-05-04 Thread Alexey Melnikov
Hi Jonathan, On 04/05/2020 14:14, Jonathan Hoyland wrote: Hi Sam, If you wanted to use a SCRAM based SASL auth then you could pick `p=SCRAM-SHA256-PLUS`, or any other very specific IANA-registered string, and update the SCRAM RFC to require that string with TLS 1.3. You actively don't want fo

Re: [TLS] TLS Export Channel Binding

2020-05-04 Thread Sam Whited
On Mon, May 4, 2020, at 09:14, Jonathan Hoyland wrote: > I've only skimmed the SCRAM RFC, but it might make sense to include > `client-first-message` and `server-first-message` as context to the > exporter interface, because it seems that the channel binding isn't > needed until the `client-final-m

Re: [TLS] TLS Export Channel Binding

2020-05-04 Thread Jonathan Hoyland
Hi Sam, If you wanted to use a SCRAM based SASL auth then you could pick `p=SCRAM-SHA256-PLUS`, or any other very specific IANA-registered string, and update the SCRAM RFC to require that string with TLS 1.3. You actively don't want for the same channel binding to be an input to multiple different