Date: Sun, 19 Aug 2018 18:40:09 +0000 From: "Bjoern A. Zeeb" <bzeeb-lists@lists.zabbadoz.net> To: "Michael Tuexen" <tuexen@freebsd.org> Cc: cem@freebsd.org, src-committers <src-committers@freebsd.org>, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: Re: svn commit: r338053 - head/sys/netinet Message-ID: <A9D078CC-8E1A-4541-A21C-32FD88115563@lists.zabbadoz.net> In-Reply-To: <97661C9D-9C25-4DE0-89A8-FE1C40DAFB81@freebsd.org> References: <201808191456.w7JEuAZE069780@repo.freebsd.org> <CAG6CVpW6GyS-xV1xBnMsiFiKPvTX9Xe4EXkyhfXXGdBUvfko8w@mail.gmail.com> <97661C9D-9C25-4DE0-89A8-FE1C40DAFB81@freebsd.org>
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On 19 Aug 2018, at 17:08, Michael Tuexen wrote: >> On 19. Aug 2018, at 18:35, Conrad Meyer <cem@FreeBSD.org> wrote: >> >> On Sun, Aug 19, 2018 at 7:56 AM, Michael Tuexen <tuexen@freebsd.org> >> wrote: >>> Author: tuexen >>> Date: Sun Aug 19 14:56:10 2018 >>> New Revision: 338053 >>> URL: https://svnweb.freebsd.org/changeset/base/338053 >>> >> How was this particular keyed hash function construction chosen? >> (Yes, I see it is the same initial TSN, but how was that selected?) > You mean: > > Why is FreeBSD using the MD5 with secret suffix as the keyed hash > function? > > I don't know, I have not implemented that. > > However, https://tools.ietf.org/html/rfc6528#section-3 suggests this, > OpenBSD uses a similar computation, but uses SHA512 instead of MD5, > NetBSD > seem to use the same computation as FreeBSD. > I guess using MD5 was an acceptable choice at the time the choice was > made. I am so happy we have a version control system where you could hopefully find out if the original committer left a decent commit message.. takes less than 60 seconds .. https://svnweb.freebsd.org/base?view=revision&revision=82122 /bz
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