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Re: [TLS] Adoption call for Deprecating FFDH(E) Ciphersuites in TLS

Carrick Bartle <cbartle891@icloud.com> Sun, 29 August 2021 00:29 UTC

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From: Carrick Bartle <cbartle891@icloud.com>
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Date: Sat, 28 Aug 2021 17:29:37 -0700
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Cc: Filippo Valsorda <filippo@ml.filippo.io>, "tls@ietf.org" <tls@ietf.org>
To: Rob Sayre <sayrer@gmail.com>
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Subject: Re: [TLS] Adoption call for Deprecating FFDH(E) Ciphersuites in TLS
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All the ciphersuites mentioned in the draft under discussion are already listed as not recommended because they don't offer forward secrecy.

> On Aug 27, 2021, at 11:01 AM, Rob Sayre <sayrer@gmail.com> wrote:
> 
> On Fri, Aug 27, 2021 at 9:42 AM Filippo Valsorda <filippo@ml.filippo.io <mailto:filippo@ml.filippo.io>> wrote:
> 
> If a consistent history of directly linked vulnerabilities across major implementations doesn't show something is unsafe, I don't think there is progress to be made in the discussion. Blaming the implementers is not particularly interesting to me.
> 
> Anyway, I don't have an opinion on SHOULD NOT vs MUST NOT, as long as it leads to Recommended: N in the registry.
> 
> I agree. I can't think of a reason to list it as " Recommended: Y".
> 
> thanks,
> Rob
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