Re: [CFRG] Second RGLC on draft-irtf-cfrg-pairing-friendly-curves

"Riad S. Wahby" <rsw@jfet.org> Mon, 13 September 2021 19:18 UTC

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Date: Mon, 13 Sep 2021 15:18:55 -0400
From: "Riad S. Wahby" <rsw@jfet.org>
To: "Blumenthal, Uri - 0553 - MITLL" <uri@ll.mit.edu>
Cc: Yumi Sakemi <yumi.sakemi@infours.co.jp>, CFRG <cfrg@irtf.org>
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Subject: Re: [CFRG] Second RGLC on draft-irtf-cfrg-pairing-friendly-curves
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Hello all,

Speaking as an individual, not an author:

This assessment of quantum computing seems optimistic to me. But
ignoring that: by this argument, should CFRG abandon all other
activity on drafts that are not PQ-secure as well?

Best regards,

-=rsw

"Blumenthal, Uri - 0553 - MITLL" <uri@ll.mit.edu> wrote:
> Based on the current progress in the Quantum Computing research, I conjecture that crypto-threatening quantum computers will come to existence, possibly within a decade or two.
> 
> Following that conjecture, the useful lifetime of any product that utilizes pairings is likely to be short: after all the time spent on standardizing and refining the standard, implementing it, deploying, getting consumer market to embrace the technology - I conjecture that the actual time of "safe usage" would be at most a few years. Is it worth it? My answer is "no".