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Re: DH group exchange (Re: SSH key algorithm updates)

nisse@lysator.liu.se (Niels Möller ) Mon, 16 November 2015 05:06 UTC

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From: nisse@lysator.liu.se
To: "Mark D. Baushke" <mdb@juniper.net>
Cc: Damien Miller <djm@mindrot.org>, Peter Gutmann <pgut001@cs.auckland.ac.nz>, denis bider <ietf-ssh3@denisbider.com>, Jeffrey Hutzelman <jhutz@cmu.edu>, "ietf-ssh@NetBSD.org" <ietf-ssh@NetBSD.org>, "stephen.farrell@cs.tcd.ie" <stephen.farrell@cs.tcd.ie>, "jon@siliconcircus.com" <jon@siliconcircus.com>
Subject: Re: DH group exchange (Re: SSH key algorithm updates)
References: <9A043F3CF02CD34C8E74AC1594475C73F4B5993D@uxcn10-5.UoA.auckland.ac.nz> <2096379125-720@skroderider.denisbider.com> <9A043F3CF02CD34C8E74AC1594475C73F4B599ED@uxcn10-5.UoA.auckland.ac.nz> <55190.1447001241@eng-mail01.juniper.net> <9A043F3CF02CD34C8E74AC1594475C73F4B5A9BC@uxcn10-5.UoA.auckland.ac.nz> <nnziyn2ft7.fsf@armitage.lysator.liu.se> <65113.1447107876@eng-mail01.juniper.net> <nn37we320r.fsf@armitage.lysator.liu.se> <alpine.BSO.2.20.1511101829460.8324@natsu.mindrot.org> <90378.1447145301@eng-mail01.juniper.net> <nnbnb11utb.fsf@armitage.lysator.liu.se> <41119.1447226323@eng-mail01.juniper.net> <nnfv0az4dl.fsf@armitage.lysator.liu.se> <67048.1447534953@eng-mail01.juniper.net> <nnpozbybp8.fsf@armitage.lysator.liu.se> <26466.1447573713@eng-mail01.juniper.net>
Date: Sun, 15 Nov 2015 09:14:01 +0100
In-Reply-To: <26466.1447573713@eng-mail01.juniper.net> (Mark D. Baushke's message of "Sat, 14 Nov 2015 23:48:33 -0800")
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"Mark D. Baushke" <mdb@juniper.net> writes:

> Given your point about sha2-384, I think there are three possibilities
> that remain:
>
>   sha2-512
>   sha3-256
>   sha3-512

sha3-384 could also be on that list. Unlike for sha*2*-384, it's a
different security/performance tradeoff than sha3-512.

> fwiw: I have no idea if the SSH community is ready to consider the use
> of sha3 (FIPS PUB 202 style) at this time,

Me neither.

Regards,
/Niels

-- 
Niels Möller. PGP-encrypted email is preferred. Keyid C0B98E26.
Internet email is subject to wholesale government surveillance.

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