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[TLS] Re: ML-DSA in TLS

"Scott Fluhrer (sfluhrer)" <sfluhrer@cisco.com> Fri, 25 October 2024 13:31 UTC

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From: "Scott Fluhrer (sfluhrer)" <sfluhrer@cisco.com>
To: "Scott Fluhrer (sfluhrer)" <sfluhrer=40cisco.com@dmarc.ietf.org>, "ilariliusvaara@welho.com" <ilariliusvaara@welho.com>, "<tls@ietf.org>" <tls@ietf.org>
Thread-Topic: [TLS] Re: ML-DSA in TLS
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Date: Fri, 25 Oct 2024 13:31:25 +0000
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Subject: [TLS] Re: ML-DSA in TLS
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I've been called out on this, and so I need to apologize

> -----Original Message-----
> From: Scott Fluhrer (sfluhrer) <sfluhrer=40cisco.com@dmarc.ietf.org>
> Sent: Thursday, October 24, 2024 2:18 PM
> To: ilariliusvaara@welho.com; <tls@ietf.org> <tls@ietf.org>
> Subject: [TLS] Re: ML-DSA in TLS
> 
> 
> Is there some complexity there?  Yes, a little.  However, I cannot see how that
> is an unprecedented amount; certainly, less than Deidre's idea of 'let's open
> up the crypto and smash the two sides together'.
> 

I was referring to https://eprint.iacr.org/2023/423.pdf, which looking back, Deidre wasn't even a coauthor (my bad - I thought Deidre presented it; obviously my advanced age has not improved my memory).

In any case:
	- I was certainly not impugning Deidre herself.  If my words came across that way, well, that's a bad choice of words on my part, and I apologize for my clumsy wording.
	- I am also not impugning Nina Bindel and Britta Hale (the authors of the work I was referring to).
	- I did mean to impugn 2023/423 - I personally think that it is complex (anything that involves opening up the crypto engine is infeasible in some environments), and doesn't address a real problem that isn't addressed by the simple 'lets concatenate the signatures' approach.

I hope to be more careful with my words in the future.

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