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

"Blumenthal, Uri - 0553 - MITLL" <uri@ll.mit.edu> Mon, 13 September 2021 21:25 UTC

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From: "Blumenthal, Uri - 0553 - MITLL" <uri@ll.mit.edu>
To: "Riad S. Wahby" <rsw@jfet.org>
CC: Yumi Sakemi <yumi.sakemi@infours.co.jp>, CFRG <cfrg@irtf.org>
Thread-Topic: [CFRG] Second RGLC on draft-irtf-cfrg-pairing-friendly-curves
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Date: Mon, 13 Sep 2021 21:25:40 +0000
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Archived-At: <https://mailarchive.ietf.org/arch/msg/cfrg/moP23DljxRuWV4XxaUq8ydPFtBI>
Subject: Re: [CFRG] Second RGLC on draft-irtf-cfrg-pairing-friendly-curves
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On 9/13/21, 15:19, "Riad S. Wahby" <rsw@jfet.org> wrote:

 

    Hello all,

 

    Speaking as an individual, not an author:

 

    This assessment of quantum computing seems optimistic to me. 

 

Some scientists swear that we’ll see “effective” quantum computers within 5-10 years. Others swear that we won’t see them in our lifetime. I do not know enough to be certain of which group is right. I conjecture than none on this list can reasonably do so either.

 

    But ignoring that: by this argument, should CFRG abandon all other

    activity on drafts that are not PQ-secure as well?

 

IMHO, yes. 

 

Regards,

Uri

 

 

    "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".