Re: [TLS] Comments on draft-wood-tls-external-psk-importer-01

2019-04-01 Thread Russ Housley
John: Okay, I misread the first note. Sorry for the noise. Russ > On Apr 1, 2019, at 5:29 PM, John Mattsson wrote: > > Hi Russ, > > I was not talking about certificates at all. My comment was about using both > external_identity and one of its derived ImportedIdentity in OfferedPsks > >

Re: [TLS] I-D Action: draft-ietf-tls-certificate-compression-04.txt

2019-04-01 Thread Victor Vasiliev
Thank you for your comments! I've opened a PR to address them: https://github.com/tlswg/certificate-compression/pull/25 On Sat, Mar 30, 2019 at 2:26 AM John Mattsson wrote: > Two short comments: > > - Would be good to mention that the document does not specify any > preset dictionaries. >

Re: [TLS] Comments on draft-wood-tls-external-psk-importer-01

2019-04-01 Thread John Mattsson
Hi Russ, I was not talking about certificates at all. My comment was about using both external_identity and one of its derived ImportedIdentity in OfferedPsks draft-wood-tls-external-psk-importer-01: struct { opaque external_identity<1...2^16-1>; opaque label<0..2^8-1>;

Re: [TLS] A flags extension

2019-04-01 Thread Martin Thomson
On Mon, Apr 1, 2019, at 12:40, Hubert Kario wrote: > > > would possibly reduce the size of is ServerHello or EncryptedExtensions > > > > Those are messages where we have size pressure. > > why? in what use case? QUIC. We have 3600 bytes to play with in that flight. And Certificate is often more

Re: [TLS] Comments on draft-wood-tls-external-psk-importer-01

2019-04-01 Thread Russ Housley
John: > > The draft should make clear if the External PSK and external identity can be > used together with the imported identities. I think that draft-ietf-tls-tls13-cert-with-extern-psk would be needed with TLS 1,3 for the certificate-based authentication to be used with an external PSK. Rus

[TLS] [Technical Errata Reported] RFC8446 (5682)

2019-04-01 Thread RFC Errata System
The following errata report has been submitted for RFC8446, "The Transport Layer Security (TLS) Protocol Version 1.3". -- You may review the report below and at: http://www.rfc-editor.org/errata/eid5682 -- Type: Technical Rep

[TLS] Comments on draft-wood-tls-external-psk-importer-01

2019-04-01 Thread John Mattsson
Hi, Thanks for trying to solve this problem! Not having a way to use the same external PSK for different cipher suites is definitely a thing missing from TLS 1.3. As I stated during the wg session, 3GPP have a few use cases that use PSK-ECDHE between phone and core network. Contrary to what I

[TLS] Certificate Compression: Add Zstd Code Point?

2019-04-01 Thread W. Felix Handte
Hello all, I know that draft-ietf-tls-certificate-compression is (almost?) in last call, so I apologize for jumping in so late. I would like to propose adding an additional codepoint to the Certificate Compression Algorithm IDs registry, for Zstd (RFC 8478). Briefly, Zstandard seems like a

[TLS] Minutes from IETF 104

2019-04-01 Thread Christopher Wood
Minutes from last week's TLS meetings in Prague are now online [1]. They're also copied at the end of this message. Please have a look and send any issues to the list. Many thanks to Richard Barnes and Robin Wilton for taking notes! Best, Chris, Joe, and Sean [1] https://datatracker.ietf.org/doc

Re: [TLS] A use of flags

2019-04-01 Thread Hubert Kario
On Friday, 29 March 2019 10:24:44 CEST Martin Thomson wrote: > On Thu, Mar 28, 2019, at 14:46, Hubert Kario wrote: > > what about resumption and renegotiation? > > No certificates in resumption. > > No resumption in TLS 1.3 (and I don't care about TLS 1.2 any more). then say explicitly that it's

Re: [TLS] A flags extension

2019-04-01 Thread Hubert Kario
On Friday, 29 March 2019 10:23:51 CEST Martin Thomson wrote: > On Thu, Mar 28, 2019, at 14:54, Hubert Kario wrote: > > what about making sure that the legacy and flags remain in-sync? we will > > have to send the legacy encoding for many years to come, so only thing it > > would possibly reduce the