[Babel-users] [babel] rather than ripemd160...

[Dave Taht]

David Schinazi <dschinazi.ietf at gmail.com> writes:

> I feel strongly against making anything but SHA-256 mandatory to
> implement. It will delay publication and not improve the
> interoperability story. That said, I agree that the Blake2 family is a
> good fit here so it would be nice to have bird and babeld support them
> - but they do not need to be in the spec.

Are we weeks, months, or years away from publication? Do we have
time to, like, actually code up, and test interoperability, performance,
and methods, before prague?

>
> David
>
> On Mon, Nov 26, 2018 at 12:59 PM Toke Høiland-Jørgensen <toke at toke.dk>
> wrote:
>
>     "STARK, BARBARA H" <bs7652 at att.com> writes:
>     
>     > FYI. IETF policies re "downrefs" in standards track RFCs is
>     described in
>     > https://tools.ietf.org/html/rfc3967 (and updated by
>     https://tools.ietf.org/html/rfc8067).
>     > In short, it's not prohibited, but careful review is required. 
>     > Note RFC3967 Section 2 first bullet
>     >
>     > There are a number of circumstances in which an IETF document
>     may
>     > need to make a normative reference to a document at a lower
>     maturity
>     > level, but such a reference conflicts with Section 4.2.4 of
>     > [RFC2026]. For example:
>     >
>     > o A standards track document may need to refer to a protocol or
>     > algorithm developed by an external body but modified, adapted,
>     or
>     > profiled by an IETF informational RFC, for example, MD5
>     [RFC1321]
>     > and HMAC [RFC2104]. Note that this does not override the IETF's
>     > duty to see that the specification is indeed sufficiently clear
>     to
>     > enable creation of interoperable implementations.
>     
>     Ah, so HMAC itself is already an informational RFC? Great, let's
>     do
>     blake2, then! :D
>     
>     -Toke
>     
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