Re: [TLS] ECH: What changed?

2023-11-14 Thread Stephen Farrell


Hiya,

On 15/11/2023 02:09, Raghu Saxena wrote:
Interesting how the browsers have already rolled it out, but no major 
website (afaik) has. Even Cloudflare had to rollback their beta due to 
some issues[0]. Are there any websites (not test ones like defo.ie) that 
actually support ECH?


defo.ie is indeed a test site, but if anyone has an interest in
doing any larger scale web-site trials of ECH, please do ping me.
(That's probably off-topic for the TLS wg list, so off-list is
better.) We'd (the people behind defo.ie) be happy to chat
about what might be doable, and to offer what help we can. That
said, it'll take a while before web server ECH code is upstreamed
and can be easily switched on, so we'll need yet more patience;-)

Cheers,
S.



Regards,

Raghu

[0] 
https://community.cloudflare.com/t/early-hints-and-encrypted-client-hello-ech-are-currently-disabled-globally/567730


On 11/14/23 23:57, Dennis Jackson wrote:


Hi Rich,

During 117, both Firefox and Chrome were just starting to roll out ECH 
to release users and we had no sense of how it would go and I at least 
didn't feel we should progress without some deployment experience. 
These roll outs finished a few weeks later, see e.g [1,2] and went 
fairly smoothly, and today its deployed at 100% in both Firefox and 
Chrome, with ECH GREASEing enabled as well.


Best,
Dennis

[1] https://blog.mozilla.org/en/products/firefox/encrypted-hello/

[2] https://chromestatus.com/feature/6196703843581952



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Re: [TLS] ECH: What changed?

2023-11-14 Thread Raghu Saxena
Interesting how the browsers have already rolled it out, but no major 
website (afaik) has. Even Cloudflare had to rollback their beta due to 
some issues[0]. Are there any websites (not test ones like defo.ie) that 
actually support ECH?


Regards,

Raghu

[0] 
https://community.cloudflare.com/t/early-hints-and-encrypted-client-hello-ech-are-currently-disabled-globally/567730


On 11/14/23 23:57, Dennis Jackson wrote:


Hi Rich,

During 117, both Firefox and Chrome were just starting to roll out ECH 
to release users and we had no sense of how it would go and I at least 
didn't feel we should progress without some deployment experience. 
These roll outs finished a few weeks later, see e.g [1,2] and went 
fairly smoothly, and today its deployed at 100% in both Firefox and 
Chrome, with ECH GREASEing enabled as well.


Best,
Dennis

[1] https://blog.mozilla.org/en/products/firefox/encrypted-hello/

[2] https://chromestatus.com/feature/6196703843581952



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Re: [TLS] ECH: What changed?

2023-11-14 Thread Dennis Jackson

Hi Rich,

During 117, both Firefox and Chrome were just starting to roll out ECH 
to release users and we had no sense of how it would go and I at least 
didn't feel we should progress without some deployment experience. These 
roll outs finished a few weeks later, see e.g [1,2] and went fairly 
smoothly, and today its deployed at 100% in both Firefox and Chrome, 
with ECH GREASEing enabled as well.


Best,
Dennis

[1] https://blog.mozilla.org/en/products/firefox/encrypted-hello/

[2] https://chromestatus.com/feature/6196703843581952

On 14/11/2023 15:02, Salz, Rich wrote:


So IETF 118 it appears that the TLS ECH draft is headed for WGLC.  
What changed since at IETF 117 it wasn’t ready and we needed more 
“something”. (I asked if we had measurable criteria and we did not.)



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Re: [TLS] Adoption call for Legacy RSASSA-PKCS1-v1_5 codepoints for TLS 1.3

2023-11-14 Thread Hubert Kario

On Monday, 6 November 2023 18:25:20 CET, Joseph Salowey wrote:
At the TLS meeting at IETF 118 there was significant support 
for the draft  Legacy RSASSA-PKCS1-v1_5 codepoints for TLS 
1.3 (https://datatracker.ietf.org/doc/draft-davidben-tls13-pkcs1/01/)  
This call is to confirm this on the list.  Please indicate if 
you support the adoption of this draft and are willing to review 
and contribute text.  If you do not support adoption of this 
draft please indicate why.  This call will close on November 27, 
2023. 


I don't like that it looks like we have to do it, but I'm not
surprised that we need to do it... (put it down as "not opposed")

If adopted, I'll definitely take a look on it from the perspective
of testing, and including the test coverage in tlsfuzzer
--
Regards,
Hubert Kario
Principal Quality Engineer, RHEL Crypto team
Web: www.cz.redhat.com
Red Hat Czech s.r.o., Purkyňova 115, 612 00, Brno, Czech Republic

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[TLS] ECH: What changed?

2023-11-14 Thread Salz, Rich
So IETF 118 it appears that the TLS ECH draft is headed for WGLC.  What changed 
since at IETF 117 it wasn’t ready and we needed more “something”. (I asked if 
we had measurable criteria and we did not.)


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