Re: Towards a Scalable Modular QUIC Server

Martin Thomson <martin.thomson@gmail.com> Tue, 22 August 2017 00:21 UTC

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From: Martin Thomson <martin.thomson@gmail.com>
Date: Tue, 22 Aug 2017 10:21:15 +1000
Message-ID: <CABkgnnVOftiSiDNOgcZmwhi1XaWR1unHayW0BCWJBugrDtauWA@mail.gmail.com>
Subject: Re: Towards a Scalable Modular QUIC Server
To: "Eggert, Lars" <lars@netapp.com>
Cc: IETF QUIC WG <quic@ietf.org>
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On 22 August 2017 at 10:13, Eggert, Lars <lars@netapp.com> wrote:
> On 2017-8-21, at 17:06, Martin Thomson <martin.thomson@gmail.com> wrote:
>> Clearly the authors didn't understand why RSA was chosen by Google.
>
> I asked whether they had thoughts on whether their results might be influenced by QUIC-Crypto and if IETF-QUIC might perform differently...

ECDSA might produce entirely different results here.  The computation
effort is largely dominated by the cost of the signature.  That is
assuming that they used x25519 for key exchange, which is pretty close
to zero cost in comparison to RSA.