Re: [TLS] WG Adoption for TLS Trust Expressions

2024-04-30 Thread Bas Westerbaan
On Tue, Apr 30, 2024 at 6:17 AM Brendan McMillion < brendanmcmill...@gmail.com> wrote: > but you could just as easily do this with a simple extension from the > private range, so I'm not sure that was a big blocker. > No need for a new extension: a government can use a specific signature algorith

Re: [TLS] WG Adoption for TLS Trust Expressions

2024-04-30 Thread Dennis Jackson
Hi Brendan, Bas, On 30/04/2024 05:17, Brendan McMillion wrote: It seems like, with or without this extension, the path is still the same: you'd need to force a browser to ship with a government-issued CA installed. Nothing about this makes that easier. It /is/ somewhat nice to already have a w

Re: [TLS] WG Adoption for TLS Trust Expressions

2024-04-30 Thread Loganaden Velvindron
On Tue, 30 Apr 2024 at 03:20, Dennis Jackson wrote: > > When this work was presented at IETF 118 in November, several participants > (including myself, Stephen Farrell and Nicola Tuveri) came to the mic to > highlight that this draft's mechanism comes with a serious potential for > abuse by gov

Re: [TLS] WG Adoption for TLS Trust Expressions

2024-04-30 Thread Brendan McMillion
> > Of course this is possible in theory, there are no standards police, but > this argument overlooks the gargantuan technical and economic costs of > deploying this kind of private extension. You'd need to convince a diverse > population of implementers on both the client and server side to adopt

Re: [TLS] WG Adoption for TLS Trust Expressions

2024-04-30 Thread Eric Rescorla
On Tue, Apr 30, 2024 at 8:14 AM Brendan McMillion < brendanmcmill...@gmail.com> wrote: > Of course this is possible in theory, there are no standards police, but >> this argument overlooks the gargantuan technical and economic costs of >> deploying this kind of private extension. You'd need to con

Re: [TLS] WG Adoption for TLS Trust Expressions

2024-04-30 Thread Watson Ladd
On Tue, Apr 30, 2024 at 8:25 AM Eric Rescorla wrote: > > > On the narrow point of shorter lifetimes, I don't think the right way to > advertise that you have an accurate clock is to advertise that you support > some set of root certificates. > > If we want to say that, we should have an extensio

Re: [TLS] WG Adoption for TLS Trust Expressions

2024-04-30 Thread Eric Rescorla
On Tue, Apr 30, 2024 at 8:29 AM Watson Ladd wrote: > On Tue, Apr 30, 2024 at 8:25 AM Eric Rescorla wrote: > > > > > > On the narrow point of shorter lifetimes, I don't think the right way to > advertise that you have an accurate clock is to advertise that you support > some set of root certifica

Re: [TLS] WG Adoption for TLS Trust Expressions

2024-04-30 Thread Dennis Jackson
On 30/04/2024 16:13, Brendan McMillion wrote: Of course this is possible in theory, there are no standards police, but this argument overlooks the gargantuan technical and economic costs of deploying this kind of private extension. You'd need to convince a diverse population of i

Re: [TLS] WG Adoption for TLS Trust Expressions

2024-04-30 Thread Dennis Jackson
As mentioned above, we have such an extension already insofar as indicating support for Delegated Credentials means indicating a desire for a very short credential lifetime and an acceptance of the clock skew risks. Given how little use its seen, I don't know that its a good motivation for Tr

Re: [TLS] WG Adoption for TLS Trust Expressions

2024-04-30 Thread Eric Rescorla
On Tue, Apr 30, 2024 at 8:37 AM Dennis Jackson wrote: > As mentioned above, we have such an extension already insofar as > indicating support for Delegated Credentials means indicating a desire for > a very short credential lifetime and an acceptance of the clock skew risks. > I agree that DC imp

[TLS] Opsdir early review of draft-ietf-tls-wkech-04

2024-04-30 Thread Tim Chown via Datatracker
Reviewer: Tim Chown Review result: Not Ready Hi, I have reviewed this document as an early Operations Directorate review. The document defines a well-known URI that can be used to inform an authoritative DNS server of an origin's service bindings, for cases where an API to perform the function i

Re: [TLS] WG Adoption for TLS Trust Expressions

2024-04-30 Thread Stephen Farrell
Hiya, Having read the draft and the recent emails, I fully agree with Dennis' criticisms of this approach. I think this is one that'd best be filed under "good try, but too many downsides" and left at that. Cheers, S. On 30/04/2024 00:20, Dennis Jackson wrote: When this work was presented at I

Re: [TLS] WG Adoption for TLS Trust Expressions

2024-04-30 Thread Brendan McMillion
> > This doesn't apply in case we're distrusting a CA because it's failed. In > 9.1 we're rotating keys. As I laid out in my initial mail, we can already > sign the new root with the old root to enable rotation. There's no size > impact to up-to-date clients using intermediate suppression or abridg

Re: [TLS] WG Adoption for TLS Trust Expressions

2024-04-30 Thread David Benjamin
Hi all. Thanks for the discussion! While we're digesting it all, one quick comment regarding the feedback in Prague: >From talking with folks at the meeting, it seemed part of this was due to a misunderstanding. Trust expressions are not intended to capture per-user customizations to root stores,

Re: [TLS] WG Adoption for TLS Trust Expressions

2024-04-30 Thread Dennis Jackson
On 30/04/2024 22:33, Brendan McMillion wrote: This doesn't apply in case we're distrusting a CA because it's failed. In 9.1 we're rotating keys. As I laid out in my initial mail, we can already sign the new root with the old root to enable rotation. There's no size impact to up-t

Re: [TLS] Opsdir early review of draft-ietf-tls-wkech-04

2024-04-30 Thread Stephen Farrell
Thanks Tim, I'll take your review as confirming the others then and will work on addressing those issues next week or two. Cheers, S. On 30/04/2024 17:07, Tim Chown via Datatracker wrote: Reviewer: Tim Chown Review result: Not Ready Hi, I have reviewed this document as an early Operations D

Re: [TLS] WG Adoption for TLS Trust Expressions

2024-04-30 Thread Watson Ladd
On Tue, Apr 30, 2024 at 3:26 PM Dennis Jackson wrote: > > Let's assuming for a moment we could a) get most of the world to use ACME (a > worthy but challenging goal) and b) get them to configure multiple CAs and > receive multiple certificates. We don't need trust expressions to be able to > d

Re: [TLS] WG Adoption for TLS Trust Expressions

2024-04-30 Thread Dennis Jackson
On 01/05/2024 00:07, Watson Ladd wrote: On Tue, Apr 30, 2024 at 3:26 PM Dennis Jackson wrote: Let's assuming for a moment we could a) get most of the world to use ACME (a worthy but challenging goal) and b) get them to configure multiple CAs and receive multiple certificates. We don't need

Re: [TLS] WG Adoption for TLS Trust Expressions

2024-04-30 Thread Eric Rescorla
On Tue, Apr 30, 2024 at 4:30 PM Dennis Jackson wrote: > On 01/05/2024 00:07, Watson Ladd wrote: > > On Tue, Apr 30, 2024 at 3:26 PM Dennis > Jackson > wrote: > > > Let's assuming for a moment we could a) get most of the world to use ACME (a > worthy but challenging goal) and b) get them to c

[TLS] I-D Action: draft-ietf-tls-rfc8447bis-09.txt

2024-04-30 Thread internet-drafts
Internet-Draft draft-ietf-tls-rfc8447bis-09.txt is now available. It is a work item of the Transport Layer Security (TLS) WG of the IETF. Title: IANA Registry Updates for TLS and DTLS Authors: Joe Salowey Sean Turner Name:draft-ietf-tls-rfc8447bis-09.txt Pages: 18