Re: [TLS] Commentary on the client authentication presentation slides

2015-08-10 Thread Dave Garrett
On Monday, August 10, 2015 01:10:38 pm Andrei Popov wrote: > > What sort of usecase you have in mind for this? > > This is to support a fairly common website design where the landing page does > not require client auth, but subsequent request to a protected resource > triggers client authenticati

Re: [TLS] Commentary on the client authentication presentation slides

2015-08-10 Thread Ilari Liusvaara
On Mon, Aug 10, 2015 at 07:33:53PM +, David Benjamin wrote: > > Why not do this using HTTP's own auth framework? Have the client sign > something which includes a channel binding, placing it and the certificate > chain in an Authorization header. You could even transition to it in TLS > 1.2 de

[TLS] Last Call: (A TLS ClientHello padding extension) to Proposed Standard

2015-08-10 Thread The IESG
The IESG has received a request from the Transport Layer Security WG (tls) to consider the following document: - 'A TLS ClientHello padding extension' as Proposed Standard The IESG plans to make a decision in the next few weeks, and solicits final comments on this action. Please send substanti

Re: [TLS] Commentary on the client authentication presentation slides

2015-08-10 Thread Andrei Popov
> One solution would be to move the authentication for this use case (and > perhaps for HTTPS in general) from the transport layer to either HTTP as an > authentication method or to the application (through some standardized > exchange of JSON objects). Doesn't this require an update of the site

Re: [TLS] Commentary on the client authentication presentation slides

2015-08-10 Thread Yoav Nir
> On Aug 10, 2015, at 10:04 PM, Andrei Popov wrote: > >> Ideally a solution would work with HTTP/1 over TLS 1.3, HTTP/2 over TLS 1.3, >> HTTP/2 over TLS 1.2, and for completeness HTTP/1 over TLS 1.2. > Correct, anything less than this will create deployment problems. > >> I’d like to point out

Re: [TLS] Commentary on the client authentication presentation slides

2015-08-10 Thread David Benjamin
On Mon, Aug 10, 2015 at 3:05 PM Andrei Popov wrote: > > Ideally a solution would work with HTTP/1 over TLS 1.3, HTTP/2 over TLS > 1.3, HTTP/2 over TLS 1.2, and for completeness HTTP/1 over TLS 1.2. > Correct, anything less than this will create deployment problems. > But this proposal is only su

Re: [TLS] Commentary on the client authentication presentation slides

2015-08-10 Thread Andrei Popov
> Ideally a solution would work with HTTP/1 over TLS 1.3, HTTP/2 over TLS 1.3, > HTTP/2 over TLS 1.2, and for completeness HTTP/1 over TLS 1.2. Correct, anything less than this will create deployment problems. > I’d like to point out that I am very interested in this use case, but I’m not > sure

Re: [TLS] Commentary on the client authentication presentation slides

2015-08-10 Thread Yoav Nir
> On Aug 10, 2015, at 8:10 PM, Andrei Popov wrote: > > Hi Ilari, > >> What sort of usecase you have in mind for this? > This is to support a fairly common website design where the landing page does > not require client auth, but subsequent request to a protected resource > triggers client aut

Re: [TLS] Commentary on the client authentication presentation slides

2015-08-10 Thread Andrei Popov
Hi Ilari, > What sort of usecase you have in mind for this? This is to support a fairly common website design where the landing page does not require client auth, but subsequent request to a protected resource triggers client authentication within an existing TLS connection. In TLS<=1.2, this wa