Re: [TLS] Negotiating with known_configuration

2015-07-21 Thread Martin Thomson
On 21 July 2015 at 08:17, Ilari Liusvaara ilari.liusva...@elisanet.fi wrote: *deadlock*. Is this the case where the server is accepting 0-RTT or rejecting it? Apparently, only for accepting case. (If the server rejects, it can reply immediately, avoiding this deadlock). I don't think

Re: [TLS] Negotiating with known_configuration

2015-07-21 Thread Martin Thomson
On 21 July 2015 at 04:12, Eric Rescorla e...@rtfm.com wrote: Yes, that's an issue. Not entirely sure what to do about other than have the server provide its negotiation preferences out of band in that case. I think that we could handle that at the point we define an out-of-band configuration

Re: [TLS] Negotiating with known_configuration

2015-07-21 Thread Eric Rescorla
Yeah, or it could just have the semantics this is my most preferred configuration and if you send me anything compatible with it, I will pick it -Ekr On Tue, Jul 21, 2015 at 1:30 PM, Martin Thomson martin.thom...@gmail.com wrote: On 21 July 2015 at 04:12, Eric Rescorla e...@rtfm.com wrote:

Re: [TLS] Negotiating with known_configuration

2015-07-21 Thread Ilari Liusvaara
On Tue, Jul 21, 2015 at 06:38:28AM -0700, Martin Thomson wrote: On 21 July 2015 at 06:08, Ilari Liusvaara ilari.liusva...@elisanet.fi wrote: Well, if it is about supported ciphers, there could be multiple, and the proposal has slot for only one. The proposal is for what the client selects