Re: [OSPF] Revised OSPF HMAC SHA Authentication Draft

---- Original Message -----
From: "Phil Cowburn" <phil.cowburn@gmail.com>
To: "Acee Lindem" <acee@cisco.com>
Cc: <ospf@ietf.org>
Sent: Monday, August 21, 2006 2:41 AM
Subject: Re: [OSPF] Revised OSPF HMAC SHA Authentication Draft

>
> > Hi Phil,
> > I think RFC 2328 is clear that authentication type 2 applies to all
> > cryptographic authentication types.
> >
>
> Which is exactly what i'm saying.
>
> In fact i just gave an argument saying that we must not create a new
> authentication type for the stuff introduced in this new draft as 2328
> is capable of handling different authentication algorithms.
>
> Phil
>
Technically correct as almost everyone agrees, and yet and yet ...

If you had asked me, before this issue came up, I would have sworn that  RFC2328
mandated type 2 as MD5.  It has been the only one is use for so long, the only
one I ever see, and I thought I knew what RFC2328 said:-(

So, I think this will introduce confusion and we should clearly flag the fact
that people (like me) with extensive practical experience of OSPF may be
surprised to now learn what the existing standard actually is.

Tom Petch

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