[TLS] TLS 1.3 and OCSP stapling

2015-12-11 Thread Ilari Liusvaara
When looking at stuff some more, I noticed that extension status_request_v2, which is used by OCSP stapling and is not deprecated [1]. Now, that extension uses additional handshake message type (certificate_status), which is specified to go between Certificate and SKE. Now, TLS 1.3 does not have S

[TLS] Keyshare extension spec

2015-12-11 Thread Christian Huitema
I am looking at the specification of the key share extension, section 6.3.2.3 of the 1.3 draft. I think that the behavior is somewhat underspecified. The spec says: ...Clients MAY omit this extension from the ClientHello, and in response to this, servers MUST send a HelloRetryRequest requestin

Re: [TLS] Keyshare extension spec

2015-12-11 Thread Dave Garrett
On Friday, December 11, 2015 08:13:05 pm Christian Huitema wrote: > I am looking at the specification of the key share extension, section 6.3.2.3 > of the 1.3 draft. I think that the behavior is somewhat underspecified. The > spec says: > > ...Clients MAY omit this extension from the ClientHell

Re: [TLS] TLS 1.3 and OCSP stapling

2015-12-11 Thread Martin Thomson
I think that the best way to deal with the status_request_v2 extension is to make it a proper part of the TLS 1.3 messages, probably Certificate or CertificateVerify. This is a fairly heavily important extension. On 12 December 2015 at 05:52, Ilari Liusvaara wrote: > When looking at stuff some m