[TLS] Re: PKI dynamics and trust anchor negotiation

2025-02-08 Thread David Adrian
To be clear, the client does NOT send its full list of trust anchors by default. There is a server-side DNS signaling mechanism that allows the client to pick a single anchor without sending the full set. The feedback at IETF Vancouver was to move away from a client signals, server selects (via tr

[TLS] Re: PKI dynamics and trust anchor negotiation

2025-02-08 Thread Watson Ladd
On Sat, Feb 8, 2025 at 9:44 AM David Adrian wrote: > > To be clear, the client does NOT send its full list of trust anchors by > default. There is a server-side DNS signaling mechanism that allows the > client to pick a single anchor without sending the full set. > > The feedback at IETF Vancouv

[TLS] Re: PKI dynamics and trust anchor negotiation

2025-02-08 Thread Bas Westerbaan
> > Silly clarification: the TAI identifier is just a compact identifier > for the root cert, like (making it up) a 4 byte identifier? So the > client sends the entire list of root certs supported, so about 100, so > 400 bytes? > > In that case I think you can inject it into an end-entity cert on >

[TLS] Re: 2nd Working Group Last Call for The SSLKEYLOGFILE Format for TLS

2025-02-08 Thread Stephen Farrell
I think we should abandon this effort and not publish. When initially proposed this was supposed to be documenting a deployed reality. I could just about hold my nose with that, but adding in ECH (for which key exfiltration is not currently deployed, nor seemingly needed) and the IANA considerat

[TLS] Re: PKI dynamics and trust anchor negotiation

2025-02-08 Thread David Benjamin
Aha, that sounds like the disconnect! One trust anchor identifier indeed only represents a one trust anchor. And, yeah, absolutely agreed that's a significant difference! I'm guessing this mixup came from the talk of user agent strings in the problem-space-focused interm? TBH, I was quite perplexe

[TLS] Weekly github digest (TLS Working Group Drafts)

2025-02-08 Thread Repository Activity Summary Bot
Pull requests - * tlswg/draft-ietf-tls-svcb-ech (+0/-2/💬0) 2 pull requests merged: - Mention situations that result in mixed ECH/non-ECH https://github.com/tlswg/draft-ietf-tls-svcb-ech/pull/22 - Add a reference for traffic analysis https://github.com/tlswg/draft-ietf-tl