Agree completely, the only thing that can go wrong with this draft is scope 
creep.

 

-Tim

 

From: Deirdre Connolly <durumcrustu...@gmail.com> 
Sent: Wednesday, October 23, 2024 3:22 PM
To: Alicja Kario <hka...@redhat.com>
Cc: Bas Westerbaan <bas=40cloudflare....@dmarc.ietf.org>; <tls@ietf.org> 
<tls@ietf.org>
Subject: [TLS] Re: ML-DSA in TLS

 

I would rather have a separate I-D for anything beyond ML-DSA (and thanks, this 
is great!)

 

On Wed, Oct 23, 2024 at 2:13 PM Alicja Kario <hka...@redhat.com 
<mailto:hka...@redhat.com> > wrote:

On Wednesday, 23 October 2024 20:01:28 CEST, John Mattsson wrote:
> Let’s have an adoption call asap.
>  
> I made some minor suggestions
> https://github.com/bwesterb/tls-mldsa/pull/3

good catch on the signature_algorithms_cert part!

and on that front, I wonder if we shouldn't also include SLH-DSA
codepoints as those may be used by the CA certs, even if the EE use 
ML-DSA...

or make it a separate I-D?

> John
>  
> From: Alicja Kario <hka...@redhat.com <mailto:hka...@redhat.com> >
> Date: Wednesday, 23 October 2024 at 19:59
> To: Bas Westerbaan <bas=40cloudflare....@dmarc.ietf.org 
> <mailto:40cloudflare....@dmarc.ietf.org> >
> Cc: <tls@ietf.org <mailto:tls@ietf.org> >
> Subject: [TLS] Re: ML-DSA in TLS
>
> Hi,
>
> Thanks for the draft, will definitely be helpful.
>
> Few issues:
>  * The range 0x0900-0x0903 is reserved for backwards compatibility
>    I think it will be better to continue the numbering in the 0x08.. space
>  * the must in "must use id_ML-DSA(...)" probably should be capitalised, as
>    if it doesn't match, the connection needs to be aborted
>
> open question is if we should document error handling explicitly:
>  - illegal_parameter alert if the peer used algorithm not advertised, or
>    signature algorithm does not match the certificate
>  - decrypt_error when verification of the signature failed
>
> On Wednesday, 23 October 2024 19:29:06 CEST, Bas Westerbaan wrote:
>> Hi all,
>>
>> Unless I overlooked something, we don't have a draft out to 
>> assign a SignatureAlgorithm to ML-DSA for use in TLS.
>>
>> It's two days past the I-D submission deadline, but I wanted to 
>> point you to a short draft we put together to fill this gap.
>>
>> https://eur02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fbwesterb.github.io%2Ftls-mldsa%2Fdraft-tls-westerbaan-mldsa.html
>>  <https://bwesterb.github.io/tls-mldsa/draft-tls-westerbaan-mldsa.html> 
>> &data=05%7C02%7Cjohn.mattsson%40ericsson.com%7C8fef63d5eddc4cb44fee08dcf38c63f4%7C92e84cebfbfd47abbe52080c6b87953f%7C0%7C0%7C638653031501883034%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C0%7C%7C%7C&sdata=1oIREiL3cz5iRqrSRQ2PKnw5%2BdAkv89rBl9AnUJwAgs%3D&reserved=0
>>
>> So far, I see only one open question: whether to set a non-zero 
>> context string.
>>
>> Best,
>>
>>  Bas
>>
>>
>>
>

-- 
Regards,
Alicja (nee Hubert) Kario
Principal Quality Engineer, RHEL Crypto team
Web: www.cz.redhat.com <http://www.cz.redhat.com/> 
Red Hat Czech s.r.o., Purkyňova 115, 612 00, Brno, Czech Republic

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